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First Thermal and Fluids Engineering Summer Conference

ISSN: 2379-1748
ISBN: 978-1-56700-430-4

NEAR-FIELD RADIATIVE HEAT TRANSFER BETWEEN TWO QUARTZ PLATES

DOI: 10.1615/TFESC1.mnr.013149
pages 1669-1672

Hakan Salihoglu
School of Mechanical Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, IN, USA

Woongsik Nam
School of Mechanical Engineering, Purdue University, West Lafayette, Indiana, 47907, USA

Xianfan Xu
School of Mechanical Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, IN, USA

Sheng Shen
Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, 408 B Scaife Hall, Pittsburgh, PA 15213-3890, USA


KEY WORDS: Near-field radiation, Heat transfer, Experimental investigation, Computational analysis, Polar dielectric materials, Evanescent waves, Surface-phonon polariton

Abstract

With the increasing demand in energy use, new energy harvesting methods and prominent technologies have received significant attention. In this regard, near-field radiation is a newly developed efficient heat transfer mechanism to enhance heat transfer in various energy technologies. Much effort has been devoted to understanding the underlying mechanism of near-field radiation. The existing studies in literature extensively describe theories behind the near-field radiative transfer between two surfaces. In this work, we investigate in details contributing factor to the near field radiative transfer, including surface-phonon polaritons and evanescent waves, thus providing a comprehensive description of the near-field radiative transfer. Limited experimental studies have been put forth so far, however a sufficiently accurate experiment confirming the theory still needs to be developed to determine radiative heat transfer between two flat plates. Experiments are underway to validate the theoretical predictions.

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