Modified Formulation of Layer Stresses Due to Internal Pressure of a Layered Vessel With Interlayer Gaps

Author:

Xu Shugen1,Wang Weiqiang1,Song Mingda2,Li Mengli1,Tang Jun3

Affiliation:

1. School of Mechanical Engineering, Shandong University, Engineering and Technology Research Center for Special Equipment Safety of Shandong Province, Jinan 250061, Shandong, China

2. Shandong Special Equipment Inspection and Research Academy, Jinan 250013, Shandong, China

3. Centre for Computer-Aided Design, University of Iowa, Iowa City, IA 52242-1000

Abstract

In this paper, the modified formulae have been provided. They can be used to calculate the stress in layers with gaps of a layered cylinder. In order to obtain the modified formulae, a detailed derivation process has also been presented in this paper. Meanwhile, we have clarified the derivation process and application range of Pimshtein’s formulae and corrected the errors. We have also indicated the shortcomings of the formulae given by Huang, Chen and Lai, and the ASME code. Finally, a practical example is presented to show how the modified formulae are applied. Calculation results obtained from the modified formulae have been compared with those obtained by finite element method and above mentioned formulae; it shows that the results from the modified formulae are in accordance with finite element results.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Reference8 articles.

1. Strength of Multilayer High Pressure Vessels;Pimshtein;Chem. Petrol. Eng.

2. Huang, Y , 1980, “Stress Analysis of Layered Vessels,” Petro-Chemical Equipment (3), pp. 20–27, in Chinese.

3. Stress Analysis and Calculating Program of the Layered High Pressure Vessels With Gaps;Chen;Journal of South China University of Technology (Natural Science Edition)

4. 2007, “Alternative Rules for Construction of High Pressure Vessels,” ASME BPVC Section VIII Division 3A, American Society of Mechanical Engineers, New York.

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