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Calculation Method of Dry Gas Seal Spring Pressure Based on MATLAB
Zhao Yandong, Sun Tie, Pan Ying, Zhou Changmao
According to the theory of the spiral groove of the Muijderman,the MATLAB software is used to calculate the spring pressure of the dry gas seal.In this process,the gas film pressure equation is solved and a two-dimensional array about the radius and pressure is obtained. MATLAB curve fitting tool was used to fit the equation of radius and pressure.Combined with the classic example, the root pressure and the opening force of the spiral groove are calculated, and the relative error is compared with the literature, which verifies the reliability of inference calculation.The spring pressure of the working condition is obtained, which provides the basis for the design of the spring pressure and the maintenance of the spring.
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