叙述国内外多年来在机械密封研究中的端面流体膜压和膜厚的测量方法和结果。说明各种方法的优缺点和所适用的条件,提出应用电容法对机械密封端面流休膜厚测量时提高精度的改进措施。 The measurement methods and results of the fluid pressure and film thickness of the end face fluid in the mechanical seal research at home and abroad are described. Described the advantages and disadvantages of various methods and the applicable conditions, proposed the use of capacitance method to measure the flow of the mechanical seal end of the film to improve the accuracy measures to improve measures.