Volume 16, Issue 7 (2016)                   Modares Mechanical Engineering 2016, 16(7): 241-250 | Back to browse issues page

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Heshmati M, Zamani J, Mozaffari A. Experimental study of isotropic circular plates' respond to underwater explosive loading, created by the conic shock tube. Modares Mechanical Engineering. 2016; 16 (7) :241-250
URL: http://mme.modares.ac.ir/article-15-5362-en.html
Abstract:   (2054 Views)
Today, in order to reduce the cost and increase the safety, utilizing tests devices like conic shock tube has been popularized to investigate the explosion under-water phenomenon and its impact on constructions. A shock tube is designed, manufactured and utilized in the mechanic of explosion laboratory of mechanic faculty of K.N. Toosi University of Technology to study the effect of isotropic metal plates’ material in this research. The source which creates the shock in the utilized shock tube is the explosive material and the positive point is that in such a tube a high pressure can be produced with a tiny explosive charge. In order to investigate the effect of the material and the geometry of the utilized metal plate, three material is considered with two different thicknesses in the experimental tests. The behavior of the plate can be measured when the amount of the pressure produced by the explosive charge and the amount of plate’s transformation is specified. From the results of the experimental tests, in order to give a semi experimental relation, the behavior of the plate under the explosion load with the water interface is utilized. At the end, with the combination of experimental and theoretical results, the effect of material and thickness change are studied separately and with the increase in the weight parameter of the load, equations are given to predict the transformation of the metal plates.
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Received: 2016/04/4 | Accepted: 2016/06/22 | Published: 2016/07/23

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