ANALYSIS OF STRUCTURAL STABILITY FOR LARGE DIAMETER EXHAUST STEAM PIPING OF DIRECT AIR-COOLING UNIT

LI Guo-dong1; SHI Xiang-bin2; LIU Xue2; ZHOU Yun-shan2(1.Beijing University of Science and Technology

doi:10.19666/j.rlfd.2007.04.009

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ANALYSIS OF STRUCTURAL STABILITY FOR LARGE DIAMETER EXHAUST STEAM PIPING OF DIRECT AIR-COOLING UNIT

更新时间：2025-09-28

- ANALYSIS OF STRUCTURAL STABILITY FOR LARGE DIAMETER EXHAUST STEAM PIPING OF DIRECT AIR-COOLING UNIT
- Thermal Power Generation Issue 4, Pages: 38-43(2007)
- 作者机构：
  
  1. 北京科技大学
  2. 中国华电工程(集团)有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.04.009
  CLC： TK263
- Published：2007
- 稿件说明：
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LI Guo-dong1, SHI Xiang-bin2, LIU Xue2, et al. ANALYSIS OF STRUCTURAL STABILITY FOR LARGE DIAMETER EXHAUST STEAM PIPING OF DIRECT AIR-COOLING UNIT[J]. Thermal power generation, 2007, (4): 38-43.
DOI：

LI Guo-dong1, SHI Xiang-bin2, LIU Xue2, et al. ANALYSIS OF STRUCTURAL STABILITY FOR LARGE DIAMETER EXHAUST STEAM PIPING OF DIRECT AIR-COOLING UNIT[J]. Thermal power generation, 2007, (4): 38-43. DOI： 10.19666/j.rlfd.2007.04.009.

摘要

运用壳体稳定性理论和相关规范

对2×135 MW机组直接空冷系统大直径排汽管道的结构稳定性进行了分析

阐述了其基本原理

并给出了对实际问题的解决途径。对导叶弯头等特殊结构部件

应用有限元法确定了临界压力。

Abstract

Analysis of structural stability for large diameter exhaust steam piping of direct air cooling system for 2×135 MW air cooling units has been carried out by using the shell stability theory and related specifications

the basic principle being expounded

and ways for solving practical problems being given.For special structural parts

such as guide vanes and elbows etc.

the critical pressure has been determined by using the finite element method.

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