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Research on matching design method of waste heat reuse system of fuel cell vehicle considering system energy consumption and waste heat exchange rate
International Journal of Energy Research ( IF 4.3 ) Pub Date : 2020-11-16 , DOI: 10.1002/er.6175 Wei Sun 1 , Fengyan Yi 1 , Donghai Hu 2 , Jiaming Zhou 3
International Journal of Energy Research ( IF 4.3 ) Pub Date : 2020-11-16 , DOI: 10.1002/er.6175 Wei Sun 1 , Fengyan Yi 1 , Donghai Hu 2 , Jiaming Zhou 3
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The research of hydrogen fuel cell waste heat recovery is a new field of fuel cell thermal management, which helps to improve the overall fuel utilization. At present, the research on the waste heat utilization of fuel cell vehicles is less, and it is more based on the traditional vehicle waste heat management ideas without systematic summary of the factors affecting the system performance. This study takes the waste heat reuse system of fuel cell vehicle as the research object, and established the waste heat exchange rate model and energy consumption model of the waste heat reuse system. Through the study of relevant parameter variables, the effects of parameters on system energy consumption and waste heat exchange rate at low temperature were obtained. The matching design of waste heat reuse system of 60 kW fuel cell vehicle was carried out, and the simulation analysis and experimental verification were done. The results showed that when the ambient temperature is −3°C and −6°C, the waste heat exchange rate of the new matching scheme is 16.2% and 16.3% higher than that of the original scheme, respectively. Also, the total energy consumption of the system is reduced by 62.02% and 60.62%, respectively.
中文翻译：
考虑系统能耗和余热交换率的燃料电池汽车余热利用系统匹配设计方法研究
氢燃料电池余热回收的研究是燃料电池热管理的新领域，有助于提高整体燃料利用率。目前，关于燃料电池汽车余热利用的研究较少，更多地是基于传统的汽车余热管理思想，而没有系统总结影响系统性能的因素。本研究以燃料电池汽车余热再利用系统为研究对象，建立了余热再利用系统的余热交换率模型和能耗模型。通过对相关参数变量的研究，得出了参数对系统能耗和低温余热交换率的影响。进行了60 kW燃料电池汽车余热再利用系统的匹配设计，并进行了仿真分析和实验验证。结果表明，当环境温度为−3°C和-6°C时，新匹配方案的废热交换率分别比原始方案高16.2％和16.3％。而且，系统的总能耗分别减少了62.02％和60.62％。
更新日期：2020-11-16
中文翻译：
考虑系统能耗和余热交换率的燃料电池汽车余热利用系统匹配设计方法研究
氢燃料电池余热回收的研究是燃料电池热管理的新领域，有助于提高整体燃料利用率。目前，关于燃料电池汽车余热利用的研究较少，更多地是基于传统的汽车余热管理思想，而没有系统总结影响系统性能的因素。本研究以燃料电池汽车余热再利用系统为研究对象，建立了余热再利用系统的余热交换率模型和能耗模型。通过对相关参数变量的研究，得出了参数对系统能耗和低温余热交换率的影响。进行了60 kW燃料电池汽车余热再利用系统的匹配设计，并进行了仿真分析和实验验证。结果表明，当环境温度为−3°C和-6°C时，新匹配方案的废热交换率分别比原始方案高16.2％和16.3％。而且，系统的总能耗分别减少了62.02％和60.62％。
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