Nanorod near-field radiative heat exchange analysis |
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Authors: | Laurie Y Carrillo |
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Institution: | Department of Mechanical Engineering and Materials Science, MS-321, PO Box 1892, Rice University, Houston, TX 77251, USA |
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Abstract: | A theoretical method for cylinder-to-cylinder radiative heat exchange is formulated. The method utilized was a modified version of a previously published numerical method for near-field sphere-to-sphere radiative exchange. Modifications were made to the numerical procedure to make it applicable to cylindrical geometry of nanorods. Nanorods investigated had length to diameter ratios of 3:1 and 7:1. The heat exchange of nanorods is plotted vs. gap to assess the impact of near-field radiative transfer as gap decreases. Graphical results of energy vs. nanorod radii are also presented. A nanorod-to-plane configuration is estimated utilizing a nanorod asymptotic method. The nanorod-to-nanorod method approximates a nanorod-to-plane geometric configuration when one nanorod radii is held constant, and the second nanorod radii is iteratively increased until the corresponding radiative exchange converges. |
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Keywords: | Near-field Nanorod Radiative transfer |
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