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Performance characteristics of a dual-evaporator heat pump system for effective dehumidifying and heating of a cabin in electric vehicles
descriptionPublicationkeyboard_double_arrow_right Article , Journal 2015Publisher:Elsevier BV
Authors: Hoon Kang; Yongchan Kim; Hoseong Lee; Jae Hwan Ahn;
doi: 10.1016/j.apenergy.2015.01.124
doi: 10.1016/j.apenergy.2015.01.124
Abstract In electric vehicles, air-conditioning (AC) units and electric heaters have been used for dehumidifying and heating the cabin. However, the air heating process in the electric heater causes higher power consumption due to a lower air temperature entering the electric heater from the sensible cooling in the humidifying process. In this study, a heat pump (HP) and a dual-evaporator heat pump (DHP) combined with a heater are proposed as effective dehumidifying and heating units using waste heat recovery from the dehumidifying process. The performances of the AC, HP, and DHP systems were measured and compared by varying the indoor air wet bulb temperature and compressor speed ratio. Generally, the HP and DHP systems showed superior performance to the conventional AC system in the dehumidifying and heating operation. At the indoor air wet bulb temperature of 13 °C, the DHP system showed 53% and 62% higher specific moisture extraction rate and COP, respectively, than the HP system.
Applied Energyarrow_drop_down
Applied Energy
Article . 2015 . Peer-reviewed
License: Elsevier TDM
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Applied Energy
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44
citations 44
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Applied Energyarrow_drop_down
Applied Energy
Article . 2015 . Peer-reviewed
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Evaporative cooling performance characteristics in ice thermal energy storage with direct contact discharging for food cold storage
descriptionPublicationkeyboard_double_arrow_right Article 2023Publisher:Elsevier BV
Authors: Jae Hwan Ahn; Hoon Kim; Jong Hoon Kim; Ji Young Kim;
doi: 10.1016/j.apenergy.2022.120334
doi: 10.1016/j.apenergy.2022.120334
Applied Energyarrow_drop_down
Applied Energy
Article . 2023 . Peer-reviewed
License: Elsevier TDM
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9
citations 9
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Applied Energyarrow_drop_down
Applied Energy
Article . 2023 . Peer-reviewed
License: Elsevier TDM
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Heating performance characteristics of a dual source heat pump using air and waste heat in electric vehicles
descriptionPublicationkeyboard_double_arrow_right Article , Journal 2014Publisher:Elsevier BV
Authors: Jae Hwan Ahn; Hoon Kang; Ho Seong Lee; Hae Won Jung; +2 Authors
Jae Hwan Ahn; Hoon Kang; Ho Seong Lee; Hae Won Jung; Changhyun Baek; Yongchan Kim;
doi: 10.1016/j.apenergy.2013.12.065
doi: 10.1016/j.apenergy.2013.12.065
Abstract A heat pump has been considered as an alternative to an electric heater to increase the efficiency of the heating unit in electric vehicles. However, the heating performance of a single source heat pump has yet to be improved at low outdoor temperatures. This study investigates the feasibility of a dual source heat pump using both air and waste heat in electric vehicles. The performance of the dual source heat pump was measured at various operation modes: air source-only, waste heat-only and dual heat source. The heating performance of the dual source heat pump was higher than those of the single source heat pumps. In addition, an alternating single mode operation of air source-only and waste heat-only modes was proposed to improve performance at low outdoor air temperatures.
Applied Energyarrow_drop_down
Applied Energy
Article . 2014 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Applied Energy
Journal
Data sources: Microsoft Academic Graph
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102
citations 102
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influence Top 10%
impulse Top 10%
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Applied Energyarrow_drop_down
Applied Energy
Article . 2014 . Peer-reviewed
License: Elsevier TDM
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Applied Energy
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Performance characteristics of mobile cooling system utilizing ice thermal energy storage with direct contact discharging for a refrigerated truck
descriptionPublicationkeyboard_double_arrow_right Article 2022Publisher:Elsevier BV
Authors: Jae Hwan Ahn; Hoon Kim; Yongseok Jeon; Ki Hyun Kwon;
doi: 10.1016/j.apenergy.2021.118373
doi: 10.1016/j.apenergy.2021.118373
Applied Energyarrow_drop_down
Applied Energy
Article . 2022 . Peer-reviewed
License: Elsevier TDM
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21
citations 21
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impulse Top 10%
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Applied Energyarrow_drop_down
Applied Energy
Article . 2022 . Peer-reviewed
License: Elsevier TDM
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The following results are related to Energy Research. Are you interested to view more results? Visit OpenAIRE - Explore.

4 Research products

download

Performance characteristics of a dual-evaporator heat pump system for effective dehumidifying and heating of a cabin in electric vehicles
descriptionPublicationkeyboard_double_arrow_right Article , Journal 2015Publisher:Elsevier BV
Authors: Hoon Kang; Yongchan Kim; Hoseong Lee; Jae Hwan Ahn;
doi: 10.1016/j.apenergy.2015.01.124
doi: 10.1016/j.apenergy.2015.01.124
Abstract In electric vehicles, air-conditioning (AC) units and electric heaters have been used for dehumidifying and heating the cabin. However, the air heating process in the electric heater causes higher power consumption due to a lower air temperature entering the electric heater from the sensible cooling in the humidifying process. In this study, a heat pump (HP) and a dual-evaporator heat pump (DHP) combined with a heater are proposed as effective dehumidifying and heating units using waste heat recovery from the dehumidifying process. The performances of the AC, HP, and DHP systems were measured and compared by varying the indoor air wet bulb temperature and compressor speed ratio. Generally, the HP and DHP systems showed superior performance to the conventional AC system in the dehumidifying and heating operation. At the indoor air wet bulb temperature of 13 °C, the DHP system showed 53% and 62% higher specific moisture extraction rate and COP, respectively, than the HP system.
Applied Energyarrow_drop_down
Applied Energy
Article . 2015 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Applied Energy
Journal
Data sources: Microsoft Academic Graph
linkLink to
shareshareShare
citeCite
addClaim
Please 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.
Select content type to embed
All Research products
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44
citations 44
popularity Top 10%
influence Top 10%
impulse Top 10%
Powered by BIP!
more_vert
Applied Energyarrow_drop_down
Applied Energy
Article . 2015 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Applied Energy
Journal
Data sources: Microsoft Academic Graph
linkLink to
shareshareShare
citeCite
addClaim
Please 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.

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Evaporative cooling performance characteristics in ice thermal energy storage with direct contact discharging for food cold storage
descriptionPublicationkeyboard_double_arrow_right Article 2023Publisher:Elsevier BV
Authors: Jae Hwan Ahn; Hoon Kim; Jong Hoon Kim; Ji Young Kim;
doi: 10.1016/j.apenergy.2022.120334
doi: 10.1016/j.apenergy.2022.120334
Applied Energyarrow_drop_down
Applied Energy
Article . 2023 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
linkLink to
shareshareShare
citeCite
addClaim
Please 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.
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9
citations 9
popularity Top 10%
influence Average
impulse Top 10%
Powered by BIP!
more_vert
Applied Energyarrow_drop_down
Applied Energy
Article . 2023 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
linkLink to
shareshareShare
citeCite
addClaim
Please 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.
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Heating performance characteristics of a dual source heat pump using air and waste heat in electric vehicles
descriptionPublicationkeyboard_double_arrow_right Article , Journal 2014Publisher:Elsevier BV
Authors: Jae Hwan Ahn; Hoon Kang; Ho Seong Lee; Hae Won Jung; +2 Authors
Jae Hwan Ahn; Hoon Kang; Ho Seong Lee; Hae Won Jung; Changhyun Baek; Yongchan Kim;
doi: 10.1016/j.apenergy.2013.12.065
doi: 10.1016/j.apenergy.2013.12.065
Abstract A heat pump has been considered as an alternative to an electric heater to increase the efficiency of the heating unit in electric vehicles. However, the heating performance of a single source heat pump has yet to be improved at low outdoor temperatures. This study investigates the feasibility of a dual source heat pump using both air and waste heat in electric vehicles. The performance of the dual source heat pump was measured at various operation modes: air source-only, waste heat-only and dual heat source. The heating performance of the dual source heat pump was higher than those of the single source heat pumps. In addition, an alternating single mode operation of air source-only and waste heat-only modes was proposed to improve performance at low outdoor air temperatures.
Applied Energyarrow_drop_down
Applied Energy
Article . 2014 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Applied Energy
Journal
Data sources: Microsoft Academic Graph
linkLink to
shareshareShare
citeCite
addClaim
Please 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.
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All Research products
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102
citations 102
popularity Top 1%
influence Top 10%
impulse Top 10%
Powered by BIP!
more_vert
Applied Energyarrow_drop_down
Applied Energy
Article . 2014 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Applied Energy
Journal
Data sources: Microsoft Academic Graph
linkLink to
shareshareShare
citeCite
addClaim
Please 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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This Research product is the result of merged Research products in OpenAIRE.

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Performance characteristics of mobile cooling system utilizing ice thermal energy storage with direct contact discharging for a refrigerated truck
descriptionPublicationkeyboard_double_arrow_right Article 2022Publisher:Elsevier BV
Authors: Jae Hwan Ahn; Hoon Kim; Yongseok Jeon; Ki Hyun Kwon;
doi: 10.1016/j.apenergy.2021.118373
doi: 10.1016/j.apenergy.2021.118373
Applied Energyarrow_drop_down
Applied Energy
Article . 2022 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
linkLink to
shareshareShare
citeCite
addClaim
Please 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.

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21
citations 21
popularity Top 10%
influence Top 10%
impulse Top 10%
Powered by BIP!
more_vert
Applied Energyarrow_drop_down
Applied Energy
Article . 2022 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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shareshareShare
citeCite
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Please 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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Performance characteristics of a dual-evaporator heat pump system for effective dehumidifying and heating of a cabin in electric vehicles

Evaporative cooling performance characteristics in ice thermal energy storage with direct contact discharging for food cold storage

Heating performance characteristics of a dual source heat pump using air and waste heat in electric vehicles

Performance characteristics of mobile cooling system utilizing ice thermal energy storage with direct contact discharging for a refrigerated truck

Performance characteristics of a dual-evaporator heat pump system for effective dehumidifying and heating of a cabin in electric vehicles

Evaporative cooling performance characteristics in ice thermal energy storage with direct contact discharging for food cold storage

Heating performance characteristics of a dual source heat pump using air and waste heat in electric vehicles

Performance characteristics of mobile cooling system utilizing ice thermal energy storage with direct contact discharging for a refrigerated truck

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