汽车电动压气机性能试验研究  

Experimental study on performance of automotive electric compressors

作　　者：田芳[1] 安永东[1] TIAN Fang;AN Yongdong(College of Automobile and Traffic Engineering,Heilongjiang Institute of Technology,Harbin 150050,China)

机构地区：[1]黑龙江工程学院汽车与交通工程学院,哈尔滨150050

出　　处：《黑龙江工程学院学报》2022年第6期19-24,共6页Journal of Heilongjiang Institute of Technology

基　　金：哈尔滨市应用技术研究与开发项目(2014RFQXJ060)。

摘　　要：为改善自然吸气汽油机中低转速段的性能,通过发动机台架试验,研究了汽油机在稳态工况下,节气门开度分别为25%、50%、75%和100%时,电动压气机对发动机输出扭矩、功率、耗油率和进气管压力的影响。试验结果表明:稳态工况下,如果节气门开度较小,对发动机进气进行增压,则大部分发动机转速工况条件下的扭矩和功率都会比自然吸气状态小。对于节气门开度大于等于50%的工况,进气增压基本都能够提高发动机的扭矩和功率输出。在不同的发动机转速条件下,压气机的节能效果不同。在较高的压气机转速和发动机中等转速时油耗率降幅相对较大,同时,节气门开度也对压气机节能效果影响较大,在节气门全开时压气机转速最大,发动机工作在中等转速时油耗率降幅最大。In order to improve the performance of naturally aspirated gasoline engine in the low and middle speed range, this paper investigates the effects of electric compressor on engine output torque, power, fuel consumption rate and intake pipe pressure under steady-state operating conditions with throttle opening of 25%, 50%, 75% and 100%, respectively, through engine bench tests, and the results can provide reference for effective application and design optimization of electric compressor. The test results show that under steady-state conditions, if the throttle opening is smaller and the engine intake air is pressurized, the torque and power under most engine speed conditions will be smaller than the naturally aspirated condition. For the operating conditions where the throttle opening is greater than or equal to 50%, the intake boost is basically able to improve the torque and power output of the engine. Under different engine speed conditions, the energy saving effect of the compressor is different. The reduction of fuel consumption rate at higher compressor speed and medium engine speed is relatively large. Meanwhile, the throttle opening also has a large impact on the energy saving effect of the compressor. When the throttle is fully open, the compressor speed is maximum and the engine works at medium speed, the fuel consumption rate reduction is maximum.

关 键 词：电动压气机 汽油机 性能试验 油耗率 

分 类 号：TK417[动力工程及工程热物理—动力机械及工程]