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Research Papers: Design and Analysis

Finite Element Analysis and Experimental Investigation of Tubesheet Structure

[+] Author and Article Information
C. F. Qian1

 Beijing University of Chemical Technology, Beijing, 100029, P.R. China

H. J. Yu

 Beijing University of Chemical Technology, Beijing, 100029, P.R. China

L. Yao

 Beijing University of Chemical Technology, Beijing, 100029, P.R. Chinaqiancf@mail.buct.edu.cn

1

Corresponding author.

J. Pressure Vessel Technol 131(1), 011206 (Nov 24, 2008) (4 pages) doi:10.1115/1.3027456 History: Received March 23, 2007; Revised November 19, 2007; Published November 24, 2008

In order to investigate the possibility of numerical simulation for whole structures of heat exchangers, two finite element analysis models have been established for the fixed tubesheet structure composed of tubesheet, cylindrical shell, and tubes using different types of elements. Stresses and deformations produced by pressure load or thermal load are calculated, and the axial strain at the middle area of the cylindrical shell is experimentally measured. By comparing the numerical results with experimental measurements, it is found that both finite element analysis models can give satisfactory results. Considering the difficulties in modeling heat exchangers, beam and shell elements are recommended.

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Figures

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Figure 1

Experimental setup

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Figure 2

One-quarter of heat exchanger cross-section and the boundary numbers

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Figure 3

Beam and shell element model

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Figure 4

Solid element mode

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