First, based on the W R Sexton method, the methods and mathematic models of supplementing the sub-idle rotating component characteristics were presented.

• 首先参照风机和泵类机械低转速部件特性相似理论，结合指数外插法，成功地发展了航空燃气涡轮发动机低转速部件特性扩展方法和计算程序；