전기자동차의 탑승자 국부 복사 난방을 고려한 인체 열쾌적성 시뮬레이션 (Simulation of Human Thermal Comfort Considering Local Radiant Heating for Passengers in Electric Vehicles)

서지정보

· 발행기관 : 한국자동차공학회
· 수록지 정보 : 한국자동차공학회 논문집 / 27권 / 12호 / 933 ~ 940페이지
· 저자명 : 이예인, 이현진, 김중경

초록

There is a demand for new heating and cooling technology that can provide low energy consumption while maintaining an appropriate level of thermal comfort for passengers in electric vehicles(EVs). We aim to develop a human thermal comfort model while taking into account local radiant heating with infrared(IR) warmers in EV and verify its effectiveness. The simulation program based on MATLAB/SIMULINK was developed and validated with a real car experiment conducted at a cold condition in an environmental chamber. The simulated overall thermal sensation corresponded fairly well with the overall trend of the passenger's subjective thermal sensation vote despite the discrepancy in absolute scale that might be caused by an individual difference in thermal perception. The simulation confirmed that the IR warmers positioned around the human passenger model were effective in enhancing the local thermal sensation in the lower body part. Local and overall thermal sensations have varied considerably depending on the combination of the On/Off state of the IR warmers, which implies that an energy-efficient control strategy of local radiant heating can be established by using the simulation program. A virtual EV model can potentially be built by integrating the proposed thermal comfort model with an EV thermal management model.

영어초록

There is a demand for new heating and cooling technology that can provide low energy consumption while maintaining an appropriate level of thermal comfort for passengers in electric vehicles(EVs). We aim to develop a human thermal comfort model while taking into account local radiant heating with infrared(IR) warmers in EV and verify its effectiveness. The simulation program based on MATLAB/SIMULINK was developed and validated with a real car experiment conducted at a cold condition in an environmental chamber. The simulated overall thermal sensation corresponded fairly well with the overall trend of the passenger's subjective thermal sensation vote despite the discrepancy in absolute scale that might be caused by an individual difference in thermal perception. The simulation confirmed that the IR warmers positioned around the human passenger model were effective in enhancing the local thermal sensation in the lower body part. Local and overall thermal sensations have varied considerably depending on the combination of the On/Off state of the IR warmers, which implies that an energy-efficient control strategy of local radiant heating can be established by using the simulation program. A virtual EV model can potentially be built by integrating the proposed thermal comfort model with an EV thermal management model.

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