Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process

This article aims to study the in-plane stiffness estimation of heat pipe supporter (a large lattice structure) using experimental and numerical methods. The in-plane stiffness of heat pipe supporter for nuclear power plant is very important because of the safety against natural disasters, such as s...

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Main Authors:	Sang-Young Kim, Sung-Hyuk Kim, Jae-Mean Koo, Jung-Pyo Kong, Chang-Hoon Ha, Tae-Jung Park, Chang-Sung Seok
Format:	Article
Language:	English
Published:	SAGE Publishing 2015-07-01
Series:	Advances in Mechanical Engineering
Online Access:	https://doi.org/10.1177/1687814015593860

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spelling	doaj-54e34e30f2454ec69cb9b26943cacdea2020-11-25T02:58:19ZengSAGE PublishingAdvances in Mechanical Engineering1687-81402015-07-01710.1177/168781401559386010.1177_1687814015593860Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization processSang-Young Kim0Sung-Hyuk Kim1Jae-Mean Koo2Jung-Pyo Kong3Chang-Hoon Ha4Tae-Jung Park5Chang-Sung Seok6School of Mechanical and Automative Engineering, Kunsan National University, Gunsan, South KoreaDepartment of Mechanical Engineering, SungKyunKwan University, Suwon, South KoreaDepartment of Mechanical Engineering, SungKyunKwan University, Suwon, South KoreaDoosan Heavy Industries & Construction, Nuclear Power Plant BG, Changwon, South KoreaDoosan Heavy Industries & Construction, Nuclear Power Plant BG, Changwon, South KoreaDoosan Heavy Industries & Construction, Nuclear Power Plant BG, Changwon, South KoreaDepartment of Mechanical Engineering, SungKyunKwan University, Suwon, South KoreaThis article aims to study the in-plane stiffness estimation of heat pipe supporter (a large lattice structure) using experimental and numerical methods. The in-plane stiffness of heat pipe supporter for nuclear power plant is very important because of the safety against natural disasters, such as seismic load or tsunami, and has to be evaluated because it greatly affects the durability of the heat exchanger. However, the modeling process of the whole lattice structure for finite element analysis increases resources needed caused by too many nodes and elements. In this study, the mechanical properties of large lattice structures are determined by a unit cell finite element analysis. The mechanical behavior of a large lattice structure has been estimated by finite element analysis through a homogenization process for reducing analysis time and efforts. The finite element analysis results have been verified and show a good agreement with the experimental results.https://doi.org/10.1177/1687814015593860
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Sang-Young Kim Sung-Hyuk Kim Jae-Mean Koo Jung-Pyo Kong Chang-Hoon Ha Tae-Jung Park Chang-Sung Seok
spellingShingle	Sang-Young Kim Sung-Hyuk Kim Jae-Mean Koo Jung-Pyo Kong Chang-Hoon Ha Tae-Jung Park Chang-Sung Seok Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process Advances in Mechanical Engineering
author_facet	Sang-Young Kim Sung-Hyuk Kim Jae-Mean Koo Jung-Pyo Kong Chang-Hoon Ha Tae-Jung Park Chang-Sung Seok
author_sort	Sang-Young Kim
title	Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process
title_short	Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process
title_full	Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process
title_fullStr	Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process
title_full_unstemmed	Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process
title_sort	analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process
publisher	SAGE Publishing
series	Advances in Mechanical Engineering
issn	1687-8140
publishDate	2015-07-01
description	This article aims to study the in-plane stiffness estimation of heat pipe supporter (a large lattice structure) using experimental and numerical methods. The in-plane stiffness of heat pipe supporter for nuclear power plant is very important because of the safety against natural disasters, such as seismic load or tsunami, and has to be evaluated because it greatly affects the durability of the heat exchanger. However, the modeling process of the whole lattice structure for finite element analysis increases resources needed caused by too many nodes and elements. In this study, the mechanical properties of large lattice structures are determined by a unit cell finite element analysis. The mechanical behavior of a large lattice structure has been estimated by finite element analysis through a homogenization process for reducing analysis time and efforts. The finite element analysis results have been verified and show a good agreement with the experimental results.
url	https://doi.org/10.1177/1687814015593860
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Analytical and experimental stiffness estimation of heat pipe supporter for nuclear power plant through a homogenization process

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