Performance comparison between hollow rotor and solid rotor in steam turbines

JI Runjing

English

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Performance comparison between hollow rotor and solid rotor in steam turbines

Thermal Power Generation Vol. 44, Issue 1, Pages: 115-118(2015)

更新时间：2025-09-28

- Performance comparison between hollow rotor and solid rotor in steam turbines
- 作者机构：
  
  中国电能成套设备有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK263.61
- Published：2015
- 稿件说明：
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JI Runjing. Performance comparison between hollow rotor and solid rotor in steam turbines[J]. Thermal Power Generation, 2015, 44(1): 115-118.
DOI：

JI Runjing. Performance comparison between hollow rotor and solid rotor in steam turbines[J]. Thermal Power Generation, 2015, 44(1): 115-118. DOI：

摘要

从转子寿命、可靠性、应力腐蚀、运行维护等方面对中心孔转子与实心转子的性能进行了对比分析。结果表明

中心孔转子在运行、维护方面存在一定的风险和不可靠性;大容量火电机组汽轮机低压转子和核电机组汽轮机整个转子应尽量采用实心转子;火电机组汽轮机高压转子则需考虑蠕变影响

综合各种因素酌情处理。

Abstract

Comprehensive comparison and analysis on hollow rotor and solid rotor was carried out

from such aspects as service life

reliability

stress corrosion and maintenance

to discuss whether it is necessary to machine center hole for turbine rotors.The results show that

the hollow rotor has a certain risk and unreliability in operation and maintenance aspects.For low pressure rotors in large scale thermal power units and turbine rotors in nuclear power plants

non-hollow rotor should be applied as much as possible

while for high pressure rotors in thermal power units

considering of the creep effect

several factors should be comprehensively regarded.

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