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流量节流测量元件是在一定的条件下设计制造的,但被测介质的温度、压力等参数往往随工况而变动的,从而引起气体流量测量的误差,为此要进行压力、温度的校正。国内有些资料也曾介绍过一些气体节流测量中压力温度校正的方法,但有的是有差的,有的虽是无差的,组成的检测回路却较为复杂,而所需的仪表也较多。近年来随着
Flow throttling measurement components are designed and manufactured under certain conditions, but the measured medium temperature, pressure and other parameters often vary with the conditions, resulting in errors in gas flow measurement, for which pressure and temperature to be corrected . Some domestic data also introduced some methods for measuring pressure and temperature in gas throttling measurement. However, some of them are poor, while others have no difference. The composition of the detection circuit is rather complicated, and the required instruments are also more. With the recent years