Detonation chambers (either mobile or fixed) are used worldwide for a wide range of applications. At present, a 1/7 scale model of a 1 ton detonation chamber is available for extended testing in Belgium. The chamber is a single wall cylindrical vessel with semielliptical ends. Each time an explosive charge is fired in the vessel, that vessel is submitted to a number of deformation cycles. A series of strain gauges measures the deformation of the vessel walls. Experimental peak strains and vibration frequency can be compared with predicted values based on simple formulas. Measured values are reasonably close to the estimated values. The influence of the shape of the charge is studied. The shape has an important influence on the chamber response. For a fixed charge mass, a spherical charge causes less deformation than a cylindrical charge and is therefore advantageous from a fatigue point of view.
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October 2011
Research Papers
Analysis of the Dynamic Response of a Controlled Detonation Chamber
B. Simoens,
bart.simoens@rma.ac.be
B. Simoens
Royal Military Academy
, Brussels 1000, Belgium
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M. H. Lefebvre,
M. H. Lefebvre
Royal Military Academy
, Brussels 1000, Belgium
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R. E. Nickell,
R. E. Nickell
Applied Science and Technology
, San Diego, CA 92103
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F. Minami,
F. Minami
University of Osaka
, Osaka 565-0871, Japan
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J. K. Asahina
J. K. Asahina
Kobe Steel Limited
, Kobe 657-0845, Japan
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B. Simoens
M. H. Lefebvre
Royal Military Academy
, Brussels 1000, Belgium
R. E. Nickell
Applied Science and Technology
, San Diego, CA 92103
F. Minami
University of Osaka
, Osaka 565-0871, Japan
J. K. Asahina
Kobe Steel Limited
, Kobe 657-0845, JapanJ. Pressure Vessel Technol. Oct 2011, 133(5): 051209 (7 pages)
Published Online: July 14, 2011
Article history
Received:
July 27, 2010
Revised:
November 30, 2010
Online:
July 14, 2011
Published:
July 14, 2011
Citation
Simoens, B., Lefebvre, M. H., Nickell, R. E., Minami, F., and Asahina, J. K. (July 14, 2011). "Analysis of the Dynamic Response of a Controlled Detonation Chamber." ASME. J. Pressure Vessel Technol. October 2011; 133(5): 051209. https://doi.org/10.1115/1.4003469
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