Determine the ratio of the total hemispherical emissivity to the normal emissivity for a nondiffuse surface if

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Determine the ratio of the total hemispherical emissivity to the normal emissivity for a nondiffuse surface if the intensity of emission varies as the cosine of the angle measured from the normal.GIVENA nondiffuse surfaceIntensity of emission varies as the cosine of the angle measured fromnormal

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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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