Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck Cabins
Battery electric vehicles (BEVs) are one promising approach to mitigating local greenhouse gas emissions. However, they still lag behind conventional vehicles in terms of maximum driving range. Using the heating, ventilation, and air-conditioning (HVAC) system reduces the maximum driving range of th...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-02-01
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| Series: | World Electric Vehicle Journal |
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| Online Access: | https://www.mdpi.com/2032-6653/16/3/129 |
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| author | Dominik Dvorak Milan Kardos Imre Gellai Dragan Šimić |
| author_facet | Dominik Dvorak Milan Kardos Imre Gellai Dragan Šimić |
| author_sort | Dominik Dvorak |
| collection | DOAJ |
| description | Battery electric vehicles (BEVs) are one promising approach to mitigating local greenhouse gas emissions. However, they still lag behind conventional vehicles in terms of maximum driving range. Using the heating, ventilation, and air-conditioning (HVAC) system reduces the maximum driving range of the vehicle even further since the energy for the HVAC system must come from the battery. This work investigates the impact of (1) an air–air heat exchanger and (2) an improved thermal insulation of a truck cabin on the heating performance of the HVAC system. Additionally, the required fresh-air volume flow rate to keep the CO<sub>2</sub> level within the truck cabin below the critical value of 1000 ppm is factored in. The results show that the two simple measures proposed could increase the energy efficiency of the truck’s HVAC system by 22%. When two persons are present in the truck cabin, a fresh-air volume flow of around 100 m<sup>3</sup>/h is required to keep the CO<sub>2</sub> concentration around 1000 ppm. These results prove that, even with simple measures, the energy efficiency of vehicles’ subsystems can be increased. In the future, more research will be necessary to further improve the energy efficiency of other vehicular subsystems. |
| format | Article |
| id | doaj-art-bd2d2460f8c54dc7ab1cbe8ac6b60d39 |
| institution | OA Journals |
| issn | 2032-6653 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | World Electric Vehicle Journal |
| spelling | doaj-art-bd2d2460f8c54dc7ab1cbe8ac6b60d392025-08-20T01:50:02ZengMDPI AGWorld Electric Vehicle Journal2032-66532025-02-0116312910.3390/wevj16030129Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck CabinsDominik Dvorak0Milan Kardos1Imre Gellai2Dragan Šimić3AIT Austrian Institute of Technology GmbH, 1210 Vienna, AustriaAIT Austrian Institute of Technology GmbH, 1210 Vienna, AustriaAIT Austrian Institute of Technology GmbH, 1210 Vienna, AustriaAIT Austrian Institute of Technology GmbH, 1210 Vienna, AustriaBattery electric vehicles (BEVs) are one promising approach to mitigating local greenhouse gas emissions. However, they still lag behind conventional vehicles in terms of maximum driving range. Using the heating, ventilation, and air-conditioning (HVAC) system reduces the maximum driving range of the vehicle even further since the energy for the HVAC system must come from the battery. This work investigates the impact of (1) an air–air heat exchanger and (2) an improved thermal insulation of a truck cabin on the heating performance of the HVAC system. Additionally, the required fresh-air volume flow rate to keep the CO<sub>2</sub> level within the truck cabin below the critical value of 1000 ppm is factored in. The results show that the two simple measures proposed could increase the energy efficiency of the truck’s HVAC system by 22%. When two persons are present in the truck cabin, a fresh-air volume flow of around 100 m<sup>3</sup>/h is required to keep the CO<sub>2</sub> concentration around 1000 ppm. These results prove that, even with simple measures, the energy efficiency of vehicles’ subsystems can be increased. In the future, more research will be necessary to further improve the energy efficiency of other vehicular subsystems.https://www.mdpi.com/2032-6653/16/3/129air conditioningelectric vehicleexperimental investigationheat exchangerinsulationperformance increase |
| spellingShingle | Dominik Dvorak Milan Kardos Imre Gellai Dragan Šimić Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck Cabins World Electric Vehicle Journal air conditioning electric vehicle experimental investigation heat exchanger insulation performance increase |
| title | Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck Cabins |
| title_full | Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck Cabins |
| title_fullStr | Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck Cabins |
| title_full_unstemmed | Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck Cabins |
| title_short | Experimental Performance Investigation of an Air–Air Heat Exchanger and Improved Insulation for Electric Truck Cabins |
| title_sort | experimental performance investigation of an air air heat exchanger and improved insulation for electric truck cabins |
| topic | air conditioning electric vehicle experimental investigation heat exchanger insulation performance increase |
| url | https://www.mdpi.com/2032-6653/16/3/129 |
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