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Research Papers: Design and Analysis

Theoretical Analysis of a Reactive Reinforcement Method for Cylindrical Explosion-Containment Vessels

[+] Author and Article Information
Sui Yaguang

Engineering for Thermal Energy and Power,
University of Science and Technology of China,
Hefei 230027, China
Northwest Institute of Nuclear Technology,
NO.28 Pingyu Road,
Baqiao District,
Xi'an City,
Xi'an 710024, China
e-mail: suiyaguang@nint.ac.cn

Zhang Dezhi

Northwest Institute of Nuclear Technology,
NO.28 Pingyu Road,
Baqiao District,
Xi'an City,
Xi'an 710024, China
e-mail: zhangdezhi@nint.ac.cn

Tang Shiying

Northwest Institute of Nuclear Technology,
NO.28 Pingyu Road,
Baqiao District,
Xi'an City,
Xi'an 710024, China
e-mail: tangshiying@nint.ac.cn

Li Jie

Northwest Institute of Nuclear Technology,
NO.28 Pingyu Road,
Baqiao District,
Xi'an City,
Xi'an 710024, China
e-mail: lijiexh@nint.ac.cn

Lin Qizhao

University of Science and Technology of China,
USTC Room 410, Lixue Building No.1,
west campus of USTC,
NO.96, Jinzhai Road,
Hefei, China
e-mail: qlin@ustc.edu.cn

1Corresponding author.

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received November 12, 2013; final manuscript received April 8, 2014; published online October 13, 2014. Assoc. Editor: Kunio Hasegawa.

J. Pressure Vessel Technol 137(1), 011206 (Oct 13, 2014) (6 pages) Paper No: PVT-13-1193; doi: 10.1115/1.4027450 History: Received November 12, 2013; Revised April 08, 2014

A method for cylindrical explosion-containment vessels was presented, which used symmetrical implosion loading cooperating with the vessels to control the out-explosion loading, increasing the anti-explosion ability of explosion-containment vessels. In this study, theoretical analysis was developed first and response of cylindrical vessels loaded with implosion and out-explosion was discussed. Approximate expressions for final circumferential strain were obtained. Comparison between the theoretical calculations and the numerical simulations showed that the proposed method could effectively reduce the plastic strain of cylindrical explosion-containment vessels. The theoretical analysis introduced in this study can provide reference for related research. In addition, problems such as spall and defense of shock wave need to be solved before the presented method could be carried out in practical application.

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References

Figures

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Fig. 1

Geometry of the model ①-Uniform thickness cylinder ②- Primary charge ③-Outer charge

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Fig. 2

Model of annulus in blast center

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Fig. 3

Numerical simulation model

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Fig. 4

Correlation of strain profiles for cylinder 1 (primary charge 120 g)

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Fig. 5

Correlation of strain profiles for cylinder 1 (primary charge 183 g)

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Fig. 6

Correlation of strain profiles for cylinder 2 (primary charge 400 g)

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Fig. 7

Outer charge of variable thickness

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Fig. 8

Comparison between correlation of strain profiles for cylinder 1 (primary charge 180 g)

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