A 40-cm-diameter sphere is maintained at 400 K and exposed to room air at 20oC. Calculate the

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A 40-cm-diameter sphere is maintained at 400 K and exposed to room air at 20oC. Calculate the free convection heat loss from the sphere. If the surface has ϵ = 0.9, also calculate the radiation heat lost from the sphere.
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Heat Transfer

ISBN: 978-0073529363

10th edition

Authors: Jack Holman

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