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Electronic Resource
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SAND Report: SAND81-8201, January 1981.
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Library's review
ABSTRACT:
A simple theory for predicting the convective energy loss from side facing cavity receivers in windless environments has been developed. The approach used is to determine the velocity distribution of the incoming air in the aperture plane (and thereby the rate of mass entrainment); and
A simple theory for predicting the convective energy loss from side facing cavity receivers in windless environments has been developed. The approach used is to determine the velocity distribution of the incoming air in the aperture plane (and thereby the rate of mass entrainment); and
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then to estimate the bulk temperature of the heated emerging air. The convective loss is then calculated from an energy balance. To illustrate this theory, numerical results applicable to the 2.15 meter cubic cavity being tested in our laboratory are provided. Show Less