Optimization of overlay thickness taking into account of lifecycle and one period performance is discussed with several design nomograms of optimum overlay thickness provided.

文中考虑了寿命周期和一个性能期罩面厚度的优化，给出了几个性能期最佳罩面厚度设计诺谟图。

youdao

By means of specially prepared nomograms, the proposed method is quick and simple, no step by step calculations are necessary, thus saving much laborious work in the design procedure.

图解法的主要特点在于利用闭合方框线的概念，可以简单而又迅速地确定出发动机与透平增压器配合工作的平衡运行点，避免了繁琐的解析方程试算。

youdao