Hydrostatic or pneumatic overpressure testing prior to actual service provides a number of purposes related to structural integrity of pressure vessels, including some degree of confirmation of both the design and fabrication processes. For detonation chambers designed to control impulsive pressure loadings, preservice hydrostatic testing at impulses greater than those expected during normal operation can provide an added benefit—the ability to reduce cyclic fatigue damage caused by long-term, high-throughput operation, where the chamber may be use to control hundreds or even thousands of detonations without compromising structural integrity through excessive fatigue crack initiation and growth. This paper illustrates the favorable characteristics of controlled detonation chamber operation following an initial preservice impulsive over-testing program that demonstrates shakedown and satisfaction of strain ratcheting criteria, leading to favorable cyclic fatigue behavior during subsequent long-term, high-throughput operation.
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June 2014
Technical Briefs
Long-Term, High-Throughput Operation of a Controlled Detonation Chamber Based on Shakedown Under Initial Overload in the Plastic Range
Joseph K. Asahina,
Kobe 651-8585,
Joseph K. Asahina
KOBE Steel Ltd.
,2-4, Wakinohama-Kaigandori 2-chome, Chuo-ku
,Kobe 651-8585,
Japan
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Robert E. Nickell,
San Diego, CA 92122-5138
Robert E. Nickell
Applied Science & Technology
,4043 Porte de Palmas, Unit 97
,San Diego, CA 92122-5138
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Edward A. Rodriguez,
P.O. Box 580,
Edward A. Rodriguez
Global Nuclear Network Analysis, LLC
,P.O. Box 580,
Corvallis, OR 97339-0580
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Takao Shirakura
Tokyo 105-0004,
Takao Shirakura
Transnuclear Ltd.
,18-16, 1-Chome, Shinbashi, Minato-ku
,Tokyo 105-0004,
Japan
Search for other works by this author on:
Joseph K. Asahina
KOBE Steel Ltd.
,2-4, Wakinohama-Kaigandori 2-chome, Chuo-ku
,Kobe 651-8585,
Japan
Robert E. Nickell
Applied Science & Technology
,4043 Porte de Palmas, Unit 97
,San Diego, CA 92122-5138
Edward A. Rodriguez
Global Nuclear Network Analysis, LLC
,P.O. Box 580,
Corvallis, OR 97339-0580
Takao Shirakura
Transnuclear Ltd.
,18-16, 1-Chome, Shinbashi, Minato-ku
,Tokyo 105-0004,
Japan
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received August 12, 2011; final manuscript received December 23, 2013; published online February 19, 2014. Assoc. Editor: Maher Y. A. Younan.
J. Pressure Vessel Technol. Jun 2014, 136(3): 034501 (6 pages)
Published Online: February 19, 2014
Article history
Received:
August 12, 2011
Revision Received:
December 23, 2013
Citation
Asahina, J. K., Nickell, R. E., Rodriguez, E. A., and Shirakura, T. (February 19, 2014). "Long-Term, High-Throughput Operation of a Controlled Detonation Chamber Based on Shakedown Under Initial Overload in the Plastic Range." ASME. J. Pressure Vessel Technol. June 2014; 136(3): 034501. https://doi.org/10.1115/1.4026361
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