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On the Entropy Production Due to Explosion in Seawater
Department of Physics, Govt. P.G. College, Bisalpur (Pilibhit), U.P., India
Department of Physics, D.A.V. College, Muzaffarnagar, U.P., India
Department of Physics, V.S.P. Govt. College, Kairana (Muzaffarnagar), U.P., India
* Author to whom correspondence should be addressed.
Received: 7 March 2005; Accepted: 10 May 2005 / Published: 12 May 2005
Abstract: The change in entropy is calculated due to propagation of blast waves, produced by the explosion of spherical charge in sea water, using the energy hypothesis of Thomas. The release of energy is considered as instantaneous and the gravitation of earth is taken into account, assuming the earth to be a sphere of uniform density. For the sake of simplicity, effect of rotation of the earth is not considered. The explosion is considered at different depths. It has been found that the change in entropy of water decreases at different radial points, as the shock moves away from the point of explosion. Explosion occurred at larger depths, produces a smaller change in entropy of water, then the explosion of same energy, at smaller depths. Directional dependence of entropy production and the motion of the shock are also studied. It has been found that, entropy production is larger in upward motion of the underwater shock. However the shock velocity increases in downward direction.
Keywords: explosion; entropy; underwater shock; tsunami waves
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Yadav, R.P.; Agarwal, P.K.; Sharma, A. On the Entropy Production Due to Explosion in Seawater. Entropy 2005, 7, 134-147.
Yadav RP, Agarwal PK, Sharma A. On the Entropy Production Due to Explosion in Seawater. Entropy. 2005; 7(2):134-147.
Yadav, R. P.; Agarwal, P. K.; Sharma, Atul. 2005. "On the Entropy Production Due to Explosion in Seawater." Entropy 7, no. 2: 134-147.