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Research Papers: Design and Analysis

Engineering Design of a Multiple-Use Spherical Explosion Containment Vessel Subjected to Internal Blast Loading From 25 kg TNT High Explosive

[+] Author and Article Information
Q. Dong, S. Y. Chen, Y. Gu

 Institute of Fluid Physics, China Academy of Engineering Physics, P. O. Box 919-101, Mianyang 621900, P. R. China

B. Y. Hu1

 Institute of Fluid Physics, China Academy of Engineering Physics, P. O. Box 919-101, Mianyang 621900, P. R. Chinaecv_ifp@hotmail.com

1

Corresponding author.

J. Pressure Vessel Technol 134(2), 021205 (Jan 13, 2012) (5 pages) doi:10.1115/1.4005397 History: Received January 31, 2011; Revised September 21, 2011; Published January 13, 2012; Online January 13, 2012

Explosion containment vessels have been widely used to contain the internal blast effects. In this paper, we present engineering design and experimental results of a real multiple-use spherical explosion containment vessel, which has been employed to withstand internal blast loading from 25 kg trinitrotoluene (TNT) high explosive in the past 10 years. It is shown that strain growth should be considered in the analysis and design of multiple-use explosion containment vessels, and the dynamic load factor (DLF) method with the consideration of strain growth may achieve a safe and proper design.

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Copyright © 2012 by American Society of Mechanical Engineers
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Figures

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Figure 1

Calculated blast loading in the vessel with 25 kg spherical TNT

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Figure 2

The real spherical explosion containment vessel with Ri  = 1.9 m and h = 95 mm

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Figure 3

Strain gage locations of the vessel in the static pressure test

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Figure 4

Strain gage locations of the vessel in the explosion test

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Figure 5

Strain-time history at location 1# with 25 kg TNT charge in the explosion test

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Figure 6

Strain-time history at location 5# with 25 kg TNT charge in the explosion test

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Figure 7

Strain-time history at location 6# with 25 kg TNT charge in the explosion test

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