过渡工况 meaning in English

transient condition
transient operation

The wall film generated by the impinging sprays is the main reason of air - fuel ration control deviation under transient conditions
摘要由喷射燃油撞壁产生的进气道内油膜是导致过渡工况空燃比控制偏差的主要原因。
This is very important for the research of engine ' s transient working condition and the pressure fluctuation among each cylinders and different cycles of the same cylinder
这对于研究发动机的过渡工况及循环间和缸间的工作差异具有重要意义。
In this paper we establish math modal of transient temperature and stress fields of the turbine " rotor with finite element method , develop rotor ' s thermal status online monitor system by distribute computer and visual software , realize online show and analyst of temperature and stress fields when all kinds of transient condition , and finally provide reasonable and optimized operation suggestions , improve safety and economic level of unit sets " operation
本文采用有限元建立汽轮机转子的暂态温度场、应力场的数学模型，借助计算机分布式计算、可视化等技术开发转子的热状态在线监测系统，实现汽轮机在各种过渡工况下转子温度场、应力场的在线显示与分析，提供合理的操作建议，提高机组运行的安全性与经济性。