- EC| AD ASTRA
Aiswarya Krishnakumar Padinjarethil; Aiswarya Krishnakumar Padinjarethil
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAiswarya Krishnakumar Padinjarethil in OpenAIRE Fiammetta Rita Bianchi; Fiammetta Rita Bianchi
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFiammetta Rita Bianchi in OpenAIRE
Anke Hagen; Barbara Bosio;Anke Hagen
Harvested from ORCID Public Data FileAnke Hagen in OpenAIREDegradation issues correlated to microstructural changes are the main obstacles to solid oxide fuel cell and electrolyser applications, making their identification and understanding fundamental steps. Coupling experimental activities with modelling, this work analyses the state-of-the-art Ni-YSZ (Yttria-Stabilized Zirconia)/YSZ/CGO (Cerium Gadolinium Oxide)/LSCF (Lanthanum Strontium Cobalt Ferrite)-CGO-based cell after 1000 h of galvanostatic electrolysis operation at fixed temperature and high steam composition in the inlet gas. Following a multiscale approach, the system behaviour is characterized through electrochemical impedance spectra and polarization curves as well as studying microstructure evolution, with a focus on Ni-cermet functional layer in view of Ni instability detected as the main degradation cause. A comparison with a cell consisting of the same initial geometrical structure and materials but aged in fuel cell mode allows to highlight the influence of operating mode and parameters on Ni-YSZ microstructure. Ni particle size and phase fraction variations experimentally observed on the electrode surface are correlated to water content and applied polarization simulated local values. Ni uneven distribution at the electrolyte interface and particle coarsening, above all, lead to an increase in polarization loss under electrolysis and fuel cell mode, respectively, since both penalise the charge transfer reaction and migration.
Access RoutesGreen hybrid 0 citations 0 popularity Average influence Average impulse Average 
Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jpowsour.2025.236296&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - EC| AD ASTRA Aiswarya Krishnakumar Padinjarethil;
Aiswarya Krishnakumar Padinjarethil
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAiswarya Krishnakumar Padinjarethil in OpenAIRE Fiammetta Rita Bianchi; Fiammetta Rita Bianchi
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFiammetta Rita Bianchi in OpenAIRE Anke Hagen; Barbara Bosio;Anke Hagen
Harvested from ORCID Public Data FileAnke Hagen in OpenAIREDegradation issues correlated to microstructural changes are the main obstacles to solid oxide fuel cell and electrolyser applications, making their identification and understanding fundamental steps. Coupling experimental activities with modelling, this work analyses the state-of-the-art Ni-YSZ (Yttria-Stabilized Zirconia)/YSZ/CGO (Cerium Gadolinium Oxide)/LSCF (Lanthanum Strontium Cobalt Ferrite)-CGO-based cell after 1000 h of galvanostatic electrolysis operation at fixed temperature and high steam composition in the inlet gas. Following a multiscale approach, the system behaviour is characterized through electrochemical impedance spectra and polarization curves as well as studying microstructure evolution, with a focus on Ni-cermet functional layer in view of Ni instability detected as the main degradation cause. A comparison with a cell consisting of the same initial geometrical structure and materials but aged in fuel cell mode allows to highlight the influence of operating mode and parameters on Ni-YSZ microstructure. Ni particle size and phase fraction variations experimentally observed on the electrode surface are correlated to water content and applied polarization simulated local values. Ni uneven distribution at the electrolyte interface and particle coarsening, above all, lead to an increase in polarization loss under electrolysis and fuel cell mode, respectively, since both penalise the charge transfer reaction and migration.
Access RoutesGreen hybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jpowsour.2025.236296&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - DFGKibaroglu, Dilay; Katti, Atharva; Drebenstedt, Claudia; Hipke, Thomas; +2 Authors
Drebenstedt, Claudia
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesDrebenstedt, Claudia in OpenAIREKibaroglu, Dilay; Katti, Atharva; Drebenstedt, Claudia; Hipke, Thomas; Krupp, Ulrich;Drebenstedt, Claudia
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesDrebenstedt, Claudia in OpenAIRE Haase, Christian; Haase, Christian
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesHaase, Christian in OpenAIREMaterials and design 254, 114021 (2025). doi:10.1016/j.matdes.2025.114021 Published by Elsevier Science, Amsterdam [u.a.]
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.matdes.2025.114021&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - DFGKibaroglu, Dilay; Katti, Atharva; Drebenstedt, Claudia; Hipke, Thomas; +2 Authors
Drebenstedt, Claudia
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesDrebenstedt, Claudia in OpenAIREKibaroglu, Dilay; Katti, Atharva; Drebenstedt, Claudia; Hipke, Thomas; Krupp, Ulrich;Drebenstedt, Claudia
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesDrebenstedt, Claudia in OpenAIRE Haase, Christian; Haase, Christian
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesHaase, Christian in OpenAIREMaterials and design 254, 114021 (2025). doi:10.1016/j.matdes.2025.114021 Published by Elsevier Science, Amsterdam [u.a.]
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.matdes.2025.114021&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Fabian Wüllhorst;
Fabian Wüllhorst
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFabian Wüllhorst in OpenAIRE Sebastian Schwarz; Sebastian Schwarz
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesSebastian Schwarz in OpenAIRE Nico Fuchs; Nico Fuchs
Harvested from ORCID Public Data FileNico Fuchs in OpenAIRE Laura Maier; +2 AuthorsLaura Maier
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesLaura Maier in OpenAIRE Fabian Wüllhorst; Fabian Wüllhorst
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFabian Wüllhorst in OpenAIRE Sebastian Schwarz; Sebastian Schwarz
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesSebastian Schwarz in OpenAIRE Nico Fuchs; Nico Fuchs
Harvested from ORCID Public Data FileNico Fuchs in OpenAIRE Laura Maier; Laura Maier
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesLaura Maier in OpenAIRE Antonello Monti; Antonello Monti
Harvested from ORCID Public Data FileAntonello Monti in OpenAIRE Dirk Müller; Dirk Müller
Harvested from ORCID Public Data FileDirk Müller in OpenAIREApplied energy 388, 125530 (2025). doi:10.1016/j.apenergy.2025.125530 Published by Elsevier Science, Amsterdam [u.a.]
Access RoutesGreen hybrid 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.apenergy.2025.125530&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Fabian Wüllhorst;
Fabian Wüllhorst
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFabian Wüllhorst in OpenAIRE Sebastian Schwarz; Sebastian Schwarz
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesSebastian Schwarz in OpenAIRE Nico Fuchs; Nico Fuchs
Harvested from ORCID Public Data FileNico Fuchs in OpenAIRE Laura Maier; +2 AuthorsLaura Maier
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesLaura Maier in OpenAIRE Fabian Wüllhorst; Fabian Wüllhorst
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFabian Wüllhorst in OpenAIRE Sebastian Schwarz; Sebastian Schwarz
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesSebastian Schwarz in OpenAIRE Nico Fuchs; Nico Fuchs
Harvested from ORCID Public Data FileNico Fuchs in OpenAIRE Laura Maier; Laura Maier
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesLaura Maier in OpenAIRE Antonello Monti; Antonello Monti
Harvested from ORCID Public Data FileAntonello Monti in OpenAIRE Dirk Müller; Dirk Müller
Harvested from ORCID Public Data FileDirk Müller in OpenAIREApplied energy 388, 125530 (2025). doi:10.1016/j.apenergy.2025.125530 Published by Elsevier Science, Amsterdam [u.a.]
Access RoutesGreen hybrid 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.apenergy.2025.125530&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - NSERC Jasneet Kaur; Matthew Schweinbenz; Kane Ho;
Jasneet Kaur
Harvested from ORCID Public Data FileJasneet Kaur in OpenAIRE Adel Malekkhouyan; +5 AuthorsAdel Malekkhouyan
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAdel Malekkhouyan in OpenAIRE Jasneet Kaur; Matthew Schweinbenz; Kane Ho;Jasneet Kaur
Harvested from ORCID Public Data FileJasneet Kaur in OpenAIRE Adel Malekkhouyan; Kamal Ghotia;Adel Malekkhouyan
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAdel Malekkhouyan in OpenAIRE Franz Egert; Franz Egert
Harvested from ORCID Public Data FileFranz Egert in OpenAIRE Fatemeh Razmjooei; Syed Asif Ansar;Fatemeh Razmjooei
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFatemeh Razmjooei in OpenAIRE Hadis Zarrin; Hadis Zarrin
Harvested from ORCID Public Data FileHadis Zarrin in OpenAIREAnion exchange membrane water electrolyser showing the chemical structure of hydroxyl-conductive 2D hBN-based anion exchange membrane (AEM). The developed AEMs exhibit high hydroxyl conductivity, superior mechanical and electrochemical stability.
Access RoutesGreen hybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1039/d4se01671h&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - NSERC Jasneet Kaur; Matthew Schweinbenz; Kane Ho;
Jasneet Kaur
Harvested from ORCID Public Data FileJasneet Kaur in OpenAIRE Adel Malekkhouyan; +5 AuthorsAdel Malekkhouyan
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAdel Malekkhouyan in OpenAIRE Jasneet Kaur; Matthew Schweinbenz; Kane Ho;Jasneet Kaur
Harvested from ORCID Public Data FileJasneet Kaur in OpenAIRE Adel Malekkhouyan; Kamal Ghotia;Adel Malekkhouyan
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAdel Malekkhouyan in OpenAIRE Franz Egert; Franz Egert
Harvested from ORCID Public Data FileFranz Egert in OpenAIRE Fatemeh Razmjooei; Syed Asif Ansar;Fatemeh Razmjooei
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesFatemeh Razmjooei in OpenAIRE Hadis Zarrin; Hadis Zarrin
Harvested from ORCID Public Data FileHadis Zarrin in OpenAIREAnion exchange membrane water electrolyser showing the chemical structure of hydroxyl-conductive 2D hBN-based anion exchange membrane (AEM). The developed AEMs exhibit high hydroxyl conductivity, superior mechanical and electrochemical stability.
Access RoutesGreen hybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1039/d4se01671h&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - EC| ESTEEM3Marijn W van de Putte; Jasman Singh Gambhir; Nicolas Gauquelin;
Nicolas Gauquelin
Harvested from ORCID Public Data FileNicolas Gauquelin in OpenAIRE Alexandros Sarantopoulos; +5 AuthorsAlexandros Sarantopoulos
Harvested from ORCID Public Data FileAlexandros Sarantopoulos in OpenAIREMarijn W van de Putte; Jasman Singh Gambhir; Nicolas Gauquelin; Nicolas Gauquelin
Harvested from ORCID Public Data FileNicolas Gauquelin in OpenAIRE Alexandros Sarantopoulos; Daniel Monteiro Cunha; Johan Verbeeck;Alexandros Sarantopoulos
Harvested from ORCID Public Data FileAlexandros Sarantopoulos in OpenAIRE Gertjan Koster; Francisco Rivadulla;Gertjan Koster
Harvested from ORCID Public Data FileGertjan Koster in OpenAIRE Mark Huijben; Mark Huijben
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesMark Huijben in OpenAIREAbstract The phonon-glass electron-crystal paradigm has guided thermoelectric research in recent years. However, the inherent conflict between atomic disorder reducing phonon conduction, and the order required to maintain high electron mobility, creates a significant challenge in material design, which has driven innovation in nanostructuring and composite materials. Here, vertically aligned nanocomposites (VANs) composed of self-assembled metallic La0.7Sr0.3MnO3 (LSMO) nanopillars in a surrounding ZnO matrix are investigated for controllable thermal conductivity. Tuning of the crystal orientation of the substrate controls the epitaxial alignment of the LSMO and ZnO phases along the horizontal and vertical interfaces. The VAN films on (111)-oriented STO substrates exhibit an increased power factor of 0.52 μW·cm−1·K−2 at 600 °C beyond ZnO films of 0.15 μW·cm−1·K−2. Detailed characterization and modeling of the thermal conductivity demonstrates a reduction of about 75% as well as anisotropic behavior for the VAN films with out-of-plane and in-plane thermal conductivities of respectively 9.2 and 1.5 W·m−1·K−1, in strong contrast to the isotropic behavior in ZnO films with a thermal conductivity of 38 W·m−1·K−1. These results show the promising strategy of VAN thin films with a nanopillar-matrix architecture to scatter phonons and to enhance the thermoelectric performance.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/2515-7655/add76b&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - EC| ESTEEM3Marijn W van de Putte; Jasman Singh Gambhir; Nicolas Gauquelin;
Nicolas Gauquelin
Harvested from ORCID Public Data FileNicolas Gauquelin in OpenAIRE Alexandros Sarantopoulos; +5 AuthorsAlexandros Sarantopoulos
Harvested from ORCID Public Data FileAlexandros Sarantopoulos in OpenAIREMarijn W van de Putte; Jasman Singh Gambhir; Nicolas Gauquelin; Nicolas Gauquelin
Harvested from ORCID Public Data FileNicolas Gauquelin in OpenAIRE Alexandros Sarantopoulos; Daniel Monteiro Cunha; Johan Verbeeck;Alexandros Sarantopoulos
Harvested from ORCID Public Data FileAlexandros Sarantopoulos in OpenAIRE Gertjan Koster; Francisco Rivadulla;Gertjan Koster
Harvested from ORCID Public Data FileGertjan Koster in OpenAIRE Mark Huijben; Mark Huijben
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesMark Huijben in OpenAIREAbstract The phonon-glass electron-crystal paradigm has guided thermoelectric research in recent years. However, the inherent conflict between atomic disorder reducing phonon conduction, and the order required to maintain high electron mobility, creates a significant challenge in material design, which has driven innovation in nanostructuring and composite materials. Here, vertically aligned nanocomposites (VANs) composed of self-assembled metallic La0.7Sr0.3MnO3 (LSMO) nanopillars in a surrounding ZnO matrix are investigated for controllable thermal conductivity. Tuning of the crystal orientation of the substrate controls the epitaxial alignment of the LSMO and ZnO phases along the horizontal and vertical interfaces. The VAN films on (111)-oriented STO substrates exhibit an increased power factor of 0.52 μW·cm−1·K−2 at 600 °C beyond ZnO films of 0.15 μW·cm−1·K−2. Detailed characterization and modeling of the thermal conductivity demonstrates a reduction of about 75% as well as anisotropic behavior for the VAN films with out-of-plane and in-plane thermal conductivities of respectively 9.2 and 1.5 W·m−1·K−1, in strong contrast to the isotropic behavior in ZnO films with a thermal conductivity of 38 W·m−1·K−1. These results show the promising strategy of VAN thin films with a nanopillar-matrix architecture to scatter phonons and to enhance the thermoelectric performance.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/2515-7655/add76b&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Yutaka Hara; Md. Shameem Moral; Aoi Ide;
Yutaka Hara
Harvested from ORCID Public Data FileYutaka Hara in OpenAIRE Yoshifumi Jodai; Yoshifumi Jodai
Harvested from ORCID Public Data FileYoshifumi Jodai in OpenAIREThe effects of an increase in output power owing to the close arrangement of vertical-axis wind turbines (VAWTs) are well known. With the ultimate goal of determining the optimal layout of a wind farm (WF) for VAWTs, this study proposes a new method for quickly calculating the flow field and power output of a virtual WF consisting of two-dimensional (2-D) miniature VAWT rotors. This new method constructs a flow field in a WF by superposing 2-D velocity numerical data around an isolated single VAWT obtained through a computational fluid dynamics (CFD) analysis. In the calculation process, the VAWTs were gradually increased one by one from the upstream side, and a calculation subroutine, in which the virtual upstream wind speed at each VAWT position was recalculated with the effects of other VAWTs, was repeated three times for each arrangement with a temporal number of VAWTs. This method includes the effects of the velocity gradient, secondary flow, and wake shift as models of turbine-to-turbine interaction. To verify the accuracy of the method, the VAWT rotor power outputs predicted by the proposed method for several types of rotor pairs, four-rotor tandem, and parallel arrangements were compared with the results of previous CFD analyses. This method was applied to four virtual WFs consisting of 16 miniature VAWTs. It was found that a layout consisting of two linear arrays of eight closely spaced VAWTs with wide spacing between the arrays yielded a significantly higher output than the other three layouts. The high-performance layout had fewer rotors in the wakes of the other rotors, and the induced flow speeds generated by the closely spaced VAWTs probably mutually enhanced their output power.
Access Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/en18010220&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Yutaka Hara; Md. Shameem Moral; Aoi Ide;
Yutaka Hara
Harvested from ORCID Public Data FileYutaka Hara in OpenAIRE Yoshifumi Jodai; Yoshifumi Jodai
Harvested from ORCID Public Data FileYoshifumi Jodai in OpenAIREThe effects of an increase in output power owing to the close arrangement of vertical-axis wind turbines (VAWTs) are well known. With the ultimate goal of determining the optimal layout of a wind farm (WF) for VAWTs, this study proposes a new method for quickly calculating the flow field and power output of a virtual WF consisting of two-dimensional (2-D) miniature VAWT rotors. This new method constructs a flow field in a WF by superposing 2-D velocity numerical data around an isolated single VAWT obtained through a computational fluid dynamics (CFD) analysis. In the calculation process, the VAWTs were gradually increased one by one from the upstream side, and a calculation subroutine, in which the virtual upstream wind speed at each VAWT position was recalculated with the effects of other VAWTs, was repeated three times for each arrangement with a temporal number of VAWTs. This method includes the effects of the velocity gradient, secondary flow, and wake shift as models of turbine-to-turbine interaction. To verify the accuracy of the method, the VAWT rotor power outputs predicted by the proposed method for several types of rotor pairs, four-rotor tandem, and parallel arrangements were compared with the results of previous CFD analyses. This method was applied to four virtual WFs consisting of 16 miniature VAWTs. It was found that a layout consisting of two linear arrays of eight closely spaced VAWTs with wide spacing between the arrays yielded a significantly higher output than the other three layouts. The high-performance layout had fewer rotors in the wakes of the other rotors, and the induced flow speeds generated by the closely spaced VAWTs probably mutually enhanced their output power.
Access Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/en18010220&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Doney, Scott C.; Wolfe, Wiley H.; McKee, Darren C.; Fuhrman, Jay G.;
Doney, Scott C.
Harvested from ORCID Public Data FileDoney, Scott C. in OpenAIREScenarios to stabilize global climate and meet international climate agreements require rapid reductions in human carbon dioxide (CO2) emissions, often augmented by substantial carbon dioxide removal (CDR) from the atmosphere. While some ocean-based removal techniques show potential promise as part of a broader CDR and decarbonization portfolio, no marine approach is ready yet for deployment at scale because of gaps in both scientific and engineering knowledge. Marine CDR spans a wide range of biotic and abiotic methods, with both common and technique-specific limitations. Further targeted research is needed on CDR efficacy, permanence, and additionality as well as on robust validation methods—measurement, monitoring, reporting, and verification—that are essential to demonstrate the safe removal and long-term storage of CO2. Engineering studies are needed on constraints including scalability, costs, resource inputs, energy demands, and technical readiness. Research on possible co-benefits, ocean acidification effects, environmental and social impacts, and governance is also required.
Access Routeshybrid 7 citations 7 popularity Average influence Average impulse Top 10% Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1146/annurev-marine-040523-014702&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Doney, Scott C.; Wolfe, Wiley H.; McKee, Darren C.; Fuhrman, Jay G.;
Doney, Scott C.
Harvested from ORCID Public Data FileDoney, Scott C. in OpenAIREScenarios to stabilize global climate and meet international climate agreements require rapid reductions in human carbon dioxide (CO2) emissions, often augmented by substantial carbon dioxide removal (CDR) from the atmosphere. While some ocean-based removal techniques show potential promise as part of a broader CDR and decarbonization portfolio, no marine approach is ready yet for deployment at scale because of gaps in both scientific and engineering knowledge. Marine CDR spans a wide range of biotic and abiotic methods, with both common and technique-specific limitations. Further targeted research is needed on CDR efficacy, permanence, and additionality as well as on robust validation methods—measurement, monitoring, reporting, and verification—that are essential to demonstrate the safe removal and long-term storage of CO2. Engineering studies are needed on constraints including scalability, costs, resource inputs, energy demands, and technical readiness. Research on possible co-benefits, ocean acidification effects, environmental and social impacts, and governance is also required.
Access Routeshybrid 7 citations 7 popularity Average influence Average impulse Top 10% Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1146/annurev-marine-040523-014702&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Melanie Jaeger-Erben;
Melanie Jaeger-Erben
Harvested from ORCID Public Data FileMelanie Jaeger-Erben in OpenAIRE Kirsten Gram-Hanssen; Kirsten Gram-Hanssen
Harvested from ORCID Public Data FileKirsten Gram-Hanssen in OpenAIRE Anders Rhiger Hansen; Anders Rhiger Hansen
Harvested from ORCID Public Data FileAnders Rhiger Hansen in OpenAIRE Maciej Frąckowiak; +5 AuthorsMaciej Frąckowiak
Harvested from ORCID Public Data FileMaciej Frąckowiak in OpenAIRE Melanie Jaeger-Erben; Melanie Jaeger-Erben
Harvested from ORCID Public Data FileMelanie Jaeger-Erben in OpenAIRE Kirsten Gram-Hanssen; Kirsten Gram-Hanssen
Harvested from ORCID Public Data FileKirsten Gram-Hanssen in OpenAIRE Anders Rhiger Hansen; Anders Rhiger Hansen
Harvested from ORCID Public Data FileAnders Rhiger Hansen in OpenAIRE Maciej Frąckowiak; Maciej Frąckowiak
Harvested from ORCID Public Data FileMaciej Frąckowiak in OpenAIRE Alice Guilbert; Alice Guilbert
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAlice Guilbert in OpenAIRE Przemysław Pluciński; Marlyne Sahakian;Przemysław Pluciński
Harvested from ORCID Public Data FilePrzemysław Pluciński in OpenAIRE Ulrikke Bryn Wethal; Sigrid Wertheim-Heck;Ulrikke Bryn Wethal
Harvested from ORCID Public Data FileUlrikke Bryn Wethal in OpenAIREadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.enpol.2025.114711&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - Melanie Jaeger-Erben;
Melanie Jaeger-Erben
Harvested from ORCID Public Data FileMelanie Jaeger-Erben in OpenAIRE Kirsten Gram-Hanssen; Kirsten Gram-Hanssen
Harvested from ORCID Public Data FileKirsten Gram-Hanssen in OpenAIRE Anders Rhiger Hansen; Anders Rhiger Hansen
Harvested from ORCID Public Data FileAnders Rhiger Hansen in OpenAIRE Maciej Frąckowiak; +5 AuthorsMaciej Frąckowiak
Harvested from ORCID Public Data FileMaciej Frąckowiak in OpenAIRE Melanie Jaeger-Erben; Melanie Jaeger-Erben
Harvested from ORCID Public Data FileMelanie Jaeger-Erben in OpenAIRE Kirsten Gram-Hanssen; Kirsten Gram-Hanssen
Harvested from ORCID Public Data FileKirsten Gram-Hanssen in OpenAIRE Anders Rhiger Hansen; Anders Rhiger Hansen
Harvested from ORCID Public Data FileAnders Rhiger Hansen in OpenAIRE Maciej Frąckowiak; Maciej Frąckowiak
Harvested from ORCID Public Data FileMaciej Frąckowiak in OpenAIRE Alice Guilbert; Alice Guilbert
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesAlice Guilbert in OpenAIRE Przemysław Pluciński; Marlyne Sahakian;Przemysław Pluciński
Harvested from ORCID Public Data FilePrzemysław Pluciński in OpenAIRE Ulrikke Bryn Wethal; Sigrid Wertheim-Heck;Ulrikke Bryn Wethal
Harvested from ORCID Public Data FileUlrikke Bryn Wethal in OpenAIREadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.enpol.2025.114711&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - EC| XROTOR David Bensason; Andrea Sciacchitano;
David Bensason
Harvested from ORCID Public Data FileDavid Bensason in OpenAIRE Carlos Ferreira; Carlos Ferreira
Harvested from ORCID Public Data FileCarlos Ferreira in OpenAIREAbstract. Wake losses are a significant source of inefficiencies in wind farm arrays, hindering the development of high-energy density wind farms offshore. Studies have demonstrated the potential of vertical-axis wind turbines (VAWTs) to achieve high-energy density configurations due to their increased rate of wake recovery compared to their horizontal-axis counterparts. Recent works have demonstrated a wake control technique for VAWTs that utilizes blade pitch to accelerate the wake recovery, hereinafter referred to as the "vortex-generator" method. The present work is an experimental investigation of the wake topology using this control technique for the novel X-Rotor VAWT. The time-averaged wake topology of the X-rotor has been measured by stereoscopic particle-image velocimetry at three fixed-pitch conditions of the top blades, namely a pitch-in, pitch-out, and a baseline case with no pitch applied. The results demonstrate the wake recovery mechanism linked to the streamwise vorticity system of the rotor and the mechanisms that lead to a streamwise momentum recovery, where the pitched-in case injects high momentum flow from above the rotor while ejecting the wake from the sides. In contrast, the pitched-out case operates in a mirrored fashion, with high momentum flow injected into the wake from the sides while low-momentum flow is ejected out axially above the rotor. These modes of operation demonstrate a significant increase in the available power for hypothetical downstream turbines, reaching as high as a factor of 2.2 two rotor diameters downstream compared to the baseline case. The pitched-in case exhibits a higher rate of momentum recovery in the wake compared to the pitch-out configuration.
Access Routeshybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/wes-2025-3&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu - EC| XROTOR David Bensason; Andrea Sciacchitano;
David Bensason
Harvested from ORCID Public Data FileDavid Bensason in OpenAIRE Carlos Ferreira; Carlos Ferreira
Harvested from ORCID Public Data FileCarlos Ferreira in OpenAIREAbstract. Wake losses are a significant source of inefficiencies in wind farm arrays, hindering the development of high-energy density wind farms offshore. Studies have demonstrated the potential of vertical-axis wind turbines (VAWTs) to achieve high-energy density configurations due to their increased rate of wake recovery compared to their horizontal-axis counterparts. Recent works have demonstrated a wake control technique for VAWTs that utilizes blade pitch to accelerate the wake recovery, hereinafter referred to as the "vortex-generator" method. The present work is an experimental investigation of the wake topology using this control technique for the novel X-Rotor VAWT. The time-averaged wake topology of the X-rotor has been measured by stereoscopic particle-image velocimetry at three fixed-pitch conditions of the top blades, namely a pitch-in, pitch-out, and a baseline case with no pitch applied. The results demonstrate the wake recovery mechanism linked to the streamwise vorticity system of the rotor and the mechanisms that lead to a streamwise momentum recovery, where the pitched-in case injects high momentum flow from above the rotor while ejecting the wake from the sides. In contrast, the pitched-out case operates in a mirrored fashion, with high momentum flow injected into the wake from the sides while low-momentum flow is ejected out axially above the rotor. These modes of operation demonstrate a significant increase in the available power for hypothetical downstream turbines, reaching as high as a factor of 2.2 two rotor diameters downstream compared to the baseline case. The pitched-in case exhibits a higher rate of momentum recovery in the wake compared to the pitch-out configuration.
Access Routeshybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/wes-2025-3&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______133::fd973d2712f1a32175cb5fbd6a379d6b&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.euadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.<script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______133::fd973d2712f1a32175cb5fbd6a379d6b&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
- 1
- 2
- 3
- 4
- 5
