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description Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2021 United KingdomPublisher:MDPI AG Authors: Nasha Wei; Zhi Chen;Yuandong Xu;
Yuandong Xu
Yuandong Xu in OpenAIREFengshou Gu;
+1 AuthorsFengshou Gu
Fengshou Gu in OpenAIRENasha Wei; Zhi Chen;Yuandong Xu;
Yuandong Xu
Yuandong Xu in OpenAIREFengshou Gu;
Fengshou Gu
Fengshou Gu in OpenAIREAndrew Ball;
Andrew Ball
Andrew Ball in OpenAIREdoi: 10.3390/en14082315
handle: 10044/1/94587
The wide use of different alternative fuels (AL) has led to challenges to the internal combustion (IC) engine tribology. To avoid any unpredicted damages to lubrication joints by using AL fuels, this study aims to accurately evaluate the influences of alternative fuels on the tribological behavior of IC engines. Recent achievements of the acoustic emission (AE) mechanism in sliding friction provide an opportunity to explain the tribological AE responses on engines. The asperity–asperity–collision (AAC) and fluid–asperity–shearing (FAS) mechanisms were applied to explain the AE responses from the piston ring and cylinder liner system. A new adaptive threshold–wavelet packets transform (WPT) method was developed to extract tribological AE features. Experimental tests were conducted by fueling three fuels: pure diesel (PD), biodiesel (BD), and Fischer–Tropsch (F–T) diesel. The FAS–AE indicators of biodiesel and F–T diesel show a tiny difference compared to the baseline diesel using two types of lubricants. Biodiesel produces more AAC impacts with higher AAC–AE responses than F–T diesel, which occurs at high speeds due to high temperatures and more particles after combustion than diesel. This new algorithm demonstrated the high performance of using AE signals in monitoring the tribological impacts of alternative fuels on engines.
Energies arrow_drop_down EnergiesOther literature type . 2021License: CC BYFull-Text: http://www.mdpi.com/1996-1073/14/8/2315/pdfData sources: Multidisciplinary Digital Publishing InstituteImperial College London: SpiralArticle . 2021License: CC BYFull-Text: http://hdl.handle.net/10044/1/94587Data sources: Bielefeld Academic Search Engine (BASE)Spiral - Imperial College Digital RepositoryArticle . 2021License: CC BYData sources: Spiral - Imperial College Digital Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Energies arrow_drop_down EnergiesOther literature type . 2021License: CC BYFull-Text: http://www.mdpi.com/1996-1073/14/8/2315/pdfData sources: Multidisciplinary Digital Publishing InstituteImperial College London: SpiralArticle . 2021License: CC BYFull-Text: http://hdl.handle.net/10044/1/94587Data sources: Bielefeld Academic Search Engine (BASE)Spiral - Imperial College Digital RepositoryArticle . 2021License: CC BYData sources: Spiral - Imperial College Digital Repositoryadd 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.All Research productsarrow_drop_down <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/en14082315&type=result"></script>'); --> </script>
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