One way to reduce the free-convection heat loss in a horizontal solar collector is to reduce the

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One way to reduce the free-convection heat loss in a horizontal solar collector is to reduce the pressure in the space separating the glass admitting the solar energy and the black absorber below. Assume the bottom surface is at 120oC and the top surface is at 20oC. Calculate the pressures that are necessary to eliminate convection for spacings of 1, 2, 5, and 10 cm.
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Heat Transfer

ISBN: 978-0073529363

10th edition

Authors: Jack Holman

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