UNIFICATION OF THREE DIFFERENT THEORIES CONCERNING THE IDEAL CONVERSION OF ENCLOSED RADIATION.
The discussion of the ideal conversion of enclosed thermal radiation revolves around three different theories, whose earliest proponents were Petela, Spanner, and Jeter, respectively. Each of these theories has been accused to be incorrect. The objective of this paper is to provide a bird's eye-view of the relationship between these three theories. It is shown that the theories are individually correct, and that they complement one another. It is shown that the supply of high-temperature isotropic radiation postulated by all three theories is the result of a heat input from a high-temperature heat reservoir.
Journal of Solar Energy Engineering, Transactions of the ASME
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