【作者】 李正杰； 侯亚帮； 陈群； 张立营； 李英； 侯国政；

【Author】 Li Zhengjie;Hou Yabang;Chen Qun;Zhang Liying;Li Ying;Hou Guozheng;General Institute of China FAW Group Co.,Ltd.;

【机构】 中国第一汽车集团有限公司研发总院；

【摘要】 本文采用仿真分析和试验相结合的方法,通过优化空调箱结构,降低空调箱总压压降和鼓风机转速,进而降低车内噪声。通过优化,空调箱总压压降降低8.6%,鼓风机转速降低10.1%,鼓风机功率降低12.0%,车内噪声降低1.4dB。优化后,蒸发器入口表面风速均匀性提升,空调系统制冷能力有所改善。更多还原

【Abstract】 In this paper,the method of simulation analysis and experiment is used to reduce the total pressure drop and decrease blower speed by optimizing HVAC structure,thereby reducing the noise in the car.Through optimization,the total pressure drop of HVAC is reduced by 8.6%,the blower speed is reduced by 10.1%,the blower power is reduced by 12.0% and the noise in the car is reduced by 1.4 dB.After optimization,the velocity uniformity of the evaporator inlet is improved and the cooling capacity of the air conditioning system is improved slightly.更多还原