摘要
在原有汽轮机转子热应力解析计算式的基础上，给出了递推求解热应力值的算法。利用此递推式，不仅加快了计算速度，还使得在监控过程中用来保存历史信息所需的存储空间维持不变，不会随着时间的推移、采样信号值的积累而无限增长，从而满足了在线监控对速度和存储空间的双重要求。此外，还介绍了所编制的汽轮机转子热应力监控与寿命管理系统软件的结构以及与汽轮机自动控制集散系统中的其它部分之间的相互联系。图３参３。
Based on formerly existent analytical thermal stress solutions of steam turbine rotors, the paper presents a recurring way of calculation. Not only can calculation be speeded up with the recurrence formula, but the storage volume required for storing historical information in the course of controlling, may be kept constant, so that the data, amassed with time, won't indefinitely increase, herewith meeting the double requirement of both speed and storage volume put by on line control. Moreover, the authors describe in addition the structure of the thermal stress monitoring and life managing system's soft ware which they have compiled for steam turbine rotors, and its interconnections with the other components of the dispersion/conlligation automatic control system.
出处
《动力工程》
CSCD
1997年第2期1-6,共6页
Power Engineering
基金
国家攀登B资助课题
