Tooth surface temperature and thermal equilibrium conditions have significant effects on gear performance and failure as well as lubrication system in high - speed gear transmissions for aerospace applications 高速重载齿轮传动系统的热平衡状态以及轮齿表面温度的大小对齿轮传动的性能与失效以及齿轮润滑系统的设计与操作控制等有着重要的影响。