Analysis of air conditioning system impact on a fuel cell vehicle performance based on a realistic model under actual urban conditions |
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Affiliation: | 1. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, 510006, Guangdong, China;2. College of Engineering, Mechanical and Material Department, University of Nebraska-Lincoln, Lincoln, USA;3. School of Automotive Engineering, Faculty of Engineering, Iran University of Science and Technology, P.O. Box 11155-4563, Tehran, Iran;4. School of Mechanical Engineering, Faculty of Engineering, Kuwait University, Kuwait City, Kuwait |
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Abstract: | In this study, a practical fuel cell vehicle considering the Heating, Ventilation, and Air conditioning system is considered to analyze hydrogen consumption under different working conditions. As a prevalent hydrogen-fueled vehicle, Toyota Mirai has been meticulously modeled in Simecenter Amesim software. The simulated model covers all of the vehicle's components with a concentration on Heating, Ventilation, and Air conditioning system. Since the air temperature and ‘weather conditions can significantly impact the vehicle's overall performance, various environmental conditions, including temperature variations, humidity, and varied solar fluxes, are taken into account. Furthermore, New York City is chosen as a densely populated megacity to simulate the dynamic behavior of the fuel cell vehicle under actual driving circumstances. The results illustrate that the Heating, Ventilation, and Air conditioning system can notably alter hydrogen consumption under real driving conditions. In this regard, turning on the Heating, Ventilation, and Air Conditioning system results in a 19% increase in fuel consumption. Moreover, the degradation phenomenon, which is a typical result of using fuel cell vehicles under urban driving conditions, impacts the vehicle's mileage and hydrogen consumption. The simulation results indicate that a fresh fuel cell stack consumes 80 g of hydrogen, while for 2500 and 5500 working hours fuel cells, the stack consumes 89.6 and 107 g of hydrogen, respectively. Based on the obtained results, a 33.75% increase in fuel consumption occurs by implementing a degraded fuel cell stack under real driving conditions. |
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Keywords: | Fuel cell vehicle Real driving cycle HVAC system Degradation phenomenon Dynamic simulation FC"} {"#name":"keyword" "$":{"id":"kwrd0040"} "$$":[{"#name":"text" "_":"Fuel Cell FCV"} {"#name":"keyword" "$":{"id":"kwrd0050"} "$$":[{"#name":"text" "_":"Fuel Cell Vehicle ICE"} {"#name":"keyword" "$":{"id":"kwrd0060"} "$$":[{"#name":"text" "_":"Internal Combustion Engine PEMFC"} {"#name":"keyword" "$":{"id":"kwrd0070"} "$$":[{"#name":"text" "_":"Proton-Exchange Membrane Fuel Cell GDL"} {"#name":"keyword" "$":{"id":"kwrd0080"} "$$":[{"#name":"text" "_":"Gas Diffusion Layer HVAC"} {"#name":"keyword" "$":{"id":"kwrd0090"} "$$":[{"#name":"text" "_":"Heating Ventilation and Air conditioning TXV"} {"#name":"keyword" "$":{"id":"kwrd0100"} "$$":[{"#name":"text" "_":"Thermostatic Expansion Valve PPD"} {"#name":"keyword" "$":{"id":"kwrd0110"} "$$":[{"#name":"text" "_":"Predicted Percentage of Dissatisfied PMV"} {"#name":"keyword" "$":{"id":"kwrd0120"} "$$":[{"#name":"text" "_":"Predicted Mean Vote EV"} {"#name":"keyword" "$":{"id":"kwrd0130"} "$$":[{"#name":"text" "_":"Electric Vehicle |
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