Numerical Assessment of Flow-Induced Vibration in Main Steam Piping Using Computational Fluid Dynamics (CFD)

被引：0

作者：

Lee H.I. ^{[1
]}

Jung J.H. ^{[1
]}

Lee A.R. ^{[1
]}

Kim W.T. ^{[2
]}

Choi S. ^{[3
]}

机构：

[1] School of Mechanical Engineering, Kyungpook Nat'l Univ.

来源：

Transactions of the Korean Society of Mechanical Engineers, B | 2024年 / 48卷 / 03期

关键词：

Comprehensive Vibration Assessment Program; Computational Fluid Dynamics; Flow-Induced Resonance; Flow-Induced Vibration; Vortex Shedding;

D O I：

10.3795/KSME-B.2024.48.3.193

中图分类号：

学科分类号：

摘要：

Flow-induced vibrations in piping system lead to premature wear and failure of the system and equipment. If a vortex shedding frequency owing to the dead-end pipe branch is overlapped with a pipe natural frequency, the magnitude of the amplitude increases, resulting in a fatigue failure. In particular, the steam used in the nuclear power plant flows fast under a high temperature and pressure, causing serious damage in the system and equipment if flow-induced vibrations are delivered to the steam generator. This study performed computational fluid dynamics (CFD) simulations to predict the vortex shedding frequencies of the main steam atmosphere dump valve (MSADV) and main steam safety valve (MSSV) in the main steam line of nuclear power plants. The CFD-based evaluation method was validated by comparing the actual quantities of the vibrations in the pipe at 100% power operation of the nuclear power plant. © 2024 The Korean Society of Mechanical Engineers.

引用

页码：193 / 202

页数：9

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