汽车空调压缩机轴功率测量的不确定度分析

Measurement uncertainty analysis on compressor's shaft power for motor vehicle air-conditioning

简要介绍汽车空调压缩机轴功率的测试方法,并建立其不确定度数学模型,计算合成标准不确定度和扩展不确定度,分析轴功率测试的影响因素,为更准确地测量汽车空调压缩机轴功率提供指导。

The test method of compressor＇s shaft power for motor vehicle air-conditioning is briefly introduced. The mathematical model of its uncertainty is built and the combined standard uncertainty and expanded uncertainty are calculated. The influence factors of shaft power measurement are analyzed. It has guiding significance for more accurate measurements of eompressor＇s shaft power for motor vehicle air-conditioning.