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Design Innovation

Using Multicell Kelvin Structure for Pressure Vessel

[+] Author and Article Information
P. Zhang, R. Du

Institute of Precision Engineering, Chinese University of Hong Kong, Shatin, Hong Kong SAR

J. Pressure Vessel Technol 133(1), 015001 (Jan 21, 2011) (4 pages) doi:10.1115/1.4002049 History: Received April 05, 2009; Revised June 02, 2010; Published January 21, 2011; Online January 21, 2011

Pressure vessel is widely used in many engineering areas. How to achieve a perfect combination of excellent performance and low cost in the design and manufacturing of a pressure vessel is, therefore, very important. Instead of a single cylinder, a multicell pressure vessel with a Kelvin structure is proposed in this paper. It is found that such structure offers not only improved safety but also extra storage capacity. This may lead to a type of pressure vessel suitable for stringent applications, even without employing costly materials.

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Copyright © 2011 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

Illustration of a Kelvin cell

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Figure 2

The photo of a multicell Kelvin structure

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Figure 3

Illustration of the “common wall” concept

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Figure 4

The von Mises stress distribution of a typical Kelvin Cell

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Figure 5

Volumetric density

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Figure 6

Gravimetric density

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