一种新型活塞环径向压力分布函数

New kind of distribution function for the piston ring radial pressure

对仅为余弦函数表达式和非仅为余弦函数进行了介绍,同时基于现代活塞环的设计方法以及非仅为余弦函数表达式的通式,提出了一种形式较为简单的非仅为余弦函数表达式.表达式除了待定系数外仅有两个函数系数,参数的确定过程较为方便,且特性上优于仅为余弦函数表达式.

Only cosine function and non-cosine function expressions were introduced. A simple non- cosine function was proposed on the basis of the modern piston ring design methods and the general formula of the non-cosine function expressions in which there are only two coefficients except for the uncertain parameters and solving these parameters is very convenient. The results show that the property of the non-cosine expression is better than that of the cosine expression.