One concept of a solar collector reduces the pressure of the air gap to a value low

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One concept of a solar collector reduces the pressure of the air gap to a value low enough to eliminate free-convection effects. For the air space in Problem 7-96 determine the pressures to eliminate convection; that is, Gr Pr < 1700.
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Heat Transfer

ISBN: 978-0073529363

10th edition

Authors: Jack Holman

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