INFLUENCE OF ELASTIC SLOT DEPTH AT THE FOOT OF GOVERNING STAGE UPON THERMAL STRESS OF THE ROTOR

BAI Yun1; YANG Ji-ming1; CHEN Jian1; LI Ming2; LIU Wen-hui11.College of Energy and Power Engineering

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INFLUENCE OF ELASTIC SLOT DEPTH AT THE FOOT OF GOVERNING STAGE UPON THERMAL STRESS OF THE ROTOR

更新时间：2025-09-28

- INFLUENCE OF ELASTIC SLOT DEPTH AT THE FOOT OF GOVERNING STAGE UPON THERMAL STRESS OF THE ROTOR
- Thermal Power Generation Vol. 39, Issue 3, Pages: 36-39(2010)
- 作者机构：
  
  1. 长沙理工大学能源与动力工程学院
  2. 四川省节能监测中心
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK263.61
- Published：2010
- 稿件说明：
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BAI Yun1, YANG Ji-ming1, CHEN Jian1, et al. INFLUENCE OF ELASTIC SLOT DEPTH AT THE FOOT OF GOVERNING STAGE UPON THERMAL STRESS OF THE ROTOR[J]. Thermal power generation, 2010, 39(3): 36-39.
DOI：

BAI Yun1, YANG Ji-ming1, CHEN Jian1, et al. INFLUENCE OF ELASTIC SLOT DEPTH AT THE FOOT OF GOVERNING STAGE UPON THERMAL STRESS OF THE ROTOR[J]. Thermal power generation, 2010, 39(3): 36-39. DOI：

摘要

利用ALGOR软件计算了600 MW机组高压转子在调节级出口根部开设不同深度弹性槽的转子应力场

分析了不同深度弹性槽对调节级根部转子热应力的影响。计算表明

开设弹性槽有降低转子寿命损耗的作用

随着槽深的增加

调节级根部热应力总体呈下降趋势

弹性热应力总体呈上升趋势。槽深150 mm既可减少调节级根部热应力

又使槽底热应力不至于过大

比较合理。

Abstract

By using ALGOR software

the stress field of rotor with different depths of elastic slot opened at the foot of governing stage's outlet of HP rotor for 600 MW unit has been calculated

and the influence of elastic slot with different depths upon the thermal stress of rotor at the foot of governing stage being analysed.Calculation shows that the opened elastic slot has effect to reduce the life loss of rotor.Along with the increase of slot depth

the thermal stress at the foot of governing stage has a tendency to decrease in genertal

the elastic thermal stress has a tendency to increase as a total.In the case of slot depth being 150 mm

not only the thermal stress at foot governing stage can be reduced

the thermal stress at slot bottom is unlikely to be too large

being comparatively reasonable.

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