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介绍了液氧煤油发动机试验中低温压力参数测量原理、校准方法及存在的问题,重点对低温压力传感器在低温条件下零位漂移问题进行了探讨和研究,提出了基本解决途径和数据修正方法,为提高低温压力的测量准确性奠定了基础。
The measurement principle, calibration method and existing problems of low temperature pressure parameters in the test of liquefied kerosene engine were introduced. The zero drift of low temperature pressure sensor was discussed emphatically. The basic solution and data correction method were put forward. In order to improve the accuracy of low temperature pressure measurement laid the foundation.