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Research Papers

Optimal Winding Conditions of Flat Steel Ribbon Wound Pressure Vessels With Controllable Stresses

[+] Author and Article Information
Chuanxiang Zheng

Institution of Chemical Process Machinery, Zhejiang University, Hangzhou 310027, P.R.C.zhengcx@21cn.com

Shaohui Lei

Institution of Chemical Process Machinery, Zhejiang University, Hangzhou 310027, P.R.C.

J. Appl. Mech 75(4), 041009 (May 14, 2008) (6 pages) doi:10.1115/1.2912740 History: Received January 26, 2007; Revised February 21, 2008; Published May 14, 2008

Stress analysis of flat steel ribbon wound pressure vessels (FSRWPVs) is very difficult because they have a special discrete structure and complex pretensions exit in the flat steel ribbons, which are wound around the inner shell layer by layer. An analytical multilayered model for stress analysis is presented in this paper, which involves the effect of prestress in every flat steel ribbon layer as well as in the inner shell. Based on this model, an optimal design method for FSRWPV is suggested, which can assure a reasonable stress level and distribution along the wall thickness during the operation. A practical example of a large FSRWPV is finally given for illustration.

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Copyright © 2008 by American Society of Mechanical Engineers
Topics: Stress , Steel
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References

Figures

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Figure 3

Equilibrium of flat steel ribbon

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Figure 4

Flow chart of optimal design

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Figure 5

Residual hoop stress

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Figure 6

Operating hoop stress

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Figure 7

Final hoop stress

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Figure 1

Structure of a FSRWPV

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Figure 2

Cross section of FSRWPV

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