SIMPLIFIED FINITEELEMENT CALCULATION MODEL OF TEMPERATURE FIELD FOR STEAM TURBINE ROTOR

LUO Juan; HU Niansu; QI Haitao

doi:10.19666/j.rlfd.2004.05.006

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SIMPLIFIED FINITEELEMENT CALCULATION MODEL OF TEMPERATURE FIELD FOR STEAM TURBINE ROTOR

Thermal Power Generation Issue 5, Pages: 19-21(2004)

更新时间：2025-09-28

- SIMPLIFIED FINITEELEMENT CALCULATION MODEL OF TEMPERATURE FIELD FOR STEAM TURBINE ROTOR
- 作者机构：
  
  1. 武汉大学,湖北,武汉,430072
  2. ,湖北,武汉,430072
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.05.006
  CLC： TK262
- Published：2004
- 稿件说明：
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LUO Juan, HU Niansu, QI Haitao. SIMPLIFIED FINITEELEMENT CALCULATION MODEL OF TEMPERATURE FIELD FOR STEAM TURBINE ROTOR[J]. Thermal Power Generation, 2004, (5): 19-21.
DOI：

LUO Juan, HU Niansu, QI Haitao. SIMPLIFIED FINITEELEMENT CALCULATION MODEL OF TEMPERATURE FIELD FOR STEAM TURBINE ROTOR[J]. Thermal Power Generation, 2004, (5): 19-21. DOI： 10.19666/j.rlfd.2004.05.006.

摘要

以 2 0 0MW汽轮机的实际运行工况为例

对转子温度场进行计算分析后

归纳总结出不同条件下转子表面温度随时间的变化规律

从而得到一个合理的汽轮机转子温度场有限元简化计算模型

进而使计算的速度达到控制级水平

有效地解决了大容量汽轮发电机组转子应力在线监测系统中有限元法计算耗时过长的问题。

Abstract

Taking the actual operation condition of a 200MW steam turbine as example

the temperature field of rotor has been calculated and analysed

the regularity of rotor surface temperature variating with time under different conditions being concluded and summarized. Thereby

a reasonable simplified finiteelement calculation mode for temperature field of steam turbine's rotor being obtained

making the calculation speed to reach a level of controlled degree

hence the problem of excessive time consumption by using finiteelement calculation method in online monitoring system for rotor stress of large capacity turbinegenerator set having been effectively solved.

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