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Research Papers: Design and Analysis

# Thermal Stress Distribution in Thick Wall Cylinder Under Thermal Shock

[+] Author and Article Information
Yingwei Yun

Department of Civil and Environmental Engineering, Kumoh National Institute of Technology, Gumi 730701, Korea; Department of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, P. R. C.yyw200188@hotmail.com

Il-Young Jang

Department of Civil and Environmental Engineering, Kumoh National Institute of Technology, Gumi 730701, Korea

Liqiang Tang

School of Civil Engineering, Harbin Engineering University, Harbin 150001, P. R. C.

J. Pressure Vessel Technol 131(2), 021212 (Jan 22, 2009) (6 pages) doi:10.1115/1.3066882 History: Received August 30, 2007; Revised May 09, 2008; Published January 22, 2009

## Abstract

This paper presented the stress distribution in a thick walled cylinder under thermal shock. Dirac function was introduced to model thermal shock. An analytical solution of the temperature field was obtained by Laplace transform. Based on the temperature solution, the thermal stress response of the thick walled cylinder was solved. The time dependent variations of the temperature field—thermal stress field—were discussed, and the effect of cylinder radius ratio on the problem was given. The exploration in this paper will lay a theoretical reference to further study on the decrease in fatigue damage of the superhigh pressure tubular reactor under thermal shock.

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## Figures

Figure 1

Temperature distribution with location (b/a)=1.5

Figure 2

Temperature distribution with location (b/a)=3

Figure 3

Temperature distribution with time (b/a)=1.5

Figure 4

Temperature distribution with time (b/a)=3

Figure 5

Stress distribution with location (b/a)=1.5

Figure 6

Stress distribution with location (b/a)=3

Figure 7

Stress distribution with time (b/a)=1.5

Figure 8

Stress distribution with time (b/a)=3

Figure 9

Stress distribution with location (b/a)=1.5

Figure 10

Stress distribution with location (b/a)=3

Figure 11

Stress distribution with time (b/a)=1.5

Figure 12

Stress distribution with time (b/a)=3

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