A general solution, based on the separation of variables method for thermal spreading resistances of eccentric heat sources on a rectangular flux channel is presented. Solutions are obtained for both isotropic and compound flux channels. The general solution can also be used to model any number of discrete heat sources on a compound or isotropic flux channel using superposition. Several special cases involving single and multiple heat sources are presented.
Thermal Spreading Resistance of Eccentric Heat Sources on Rectangular Flux Channels
Contributed by the Electronic and Photonic Packaging Division for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received by the EPPD Division February 26, 2002. Guest Editors: Y. Muzychka and R. Culham.
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Muzychka, Y. S., Culham, J. R., and Yovanovich, M. M. (June 10, 2003). "Thermal Spreading Resistance of Eccentric Heat Sources on Rectangular Flux Channels ." ASME. J. Electron. Packag. June 2003; 125(2): 178–185. https://doi.org/10.1115/1.1568125
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