A radioactive sample is to be stored in a protective box with 4 cm thick walls having

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A radioactive sample is to be stored in a protective box with 4 cm thick walls having interior dimensions 4 by 4 by 12 cm. The radiation emitted by the sample is completely absorbed at the inner surface of the box, which is made of concrete. If the outside temperature of the box is 25?C, but the inside temperature is not to exceed 50?C, determine the maximum permissible radiation rate from the sample, in watts.GIVENA radioactive sample in a protective concrete boxWall thickness (t) = 4 cm = 0.4 mBox interior dimensions: 4 × 4 × 12 cmAll radiation emitted is completely absorbed at the inner surface of the boxThe outside temperature of the box (To) = 25?CThe maximum inside temperature (Ti) = 50?CASSUMPTIONSThe system is in steadystate

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The box consists of 4 wall sections A 4 cm 12 cm 2 wall sections A 4 cm 4 cm 4 edge sections D 12 cm ...View the full answer

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Principles of heat transfer

ISBN: 978-0495667704

7th Edition

Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn

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Question Posted: Nov 26, 2011 11:19 AM

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The box consists of 4 wall sections A 4 cm 12 cm 2 wall sections A 4 cm 4 cm 4 edge sections D 12 cm ...View the full answer

Principles of heat transfer

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