Improved Thermophotovoltaic (TPV) Performance Using Dielectric Photon Concentrations (DPC)

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This report presents theoretical and experimental results, which demonstrate the feasibility of a new class of thermophotovoltaic (TPV) energy converters with greatly improved power density and efficiency. Performance improvements are based on the utilization of the enhanced photon concentrations within high refractive index materials. Analysis demonstrates that the maximum achievable photon flux for TPV applications is limited by the lowest index in the photonic cavity, and scales as the minimum refraction index squared, n{sup 2}. Utilization of the increased photon levels within high index materials greatly expands the design space limits of TPV systems, including: a 10x increase in power ... continued below

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754 Kilobytes pages

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Baldasaro, P.F. & Fourspring, P.M. January 3, 2003.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 14 times . More information about this report can be viewed below.

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Description

This report presents theoretical and experimental results, which demonstrate the feasibility of a new class of thermophotovoltaic (TPV) energy converters with greatly improved power density and efficiency. Performance improvements are based on the utilization of the enhanced photon concentrations within high refractive index materials. Analysis demonstrates that the maximum achievable photon flux for TPV applications is limited by the lowest index in the photonic cavity, and scales as the minimum refraction index squared, n{sup 2}. Utilization of the increased photon levels within high index materials greatly expands the design space limits of TPV systems, including: a 10x increase in power density, a 50% fractional increase in conversion efficiency, or alternatively reduced radiator temperature requirements to as low as {approx} 1000 F.

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754 Kilobytes pages

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OSTI as DE00820723

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  • Other Information: PBD: 3 Jan 2003

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  • Report No.: LM-02K136
  • Grant Number: AC12-00SN39357
  • DOI: 10.2172/820723 | External Link
  • Office of Scientific & Technical Information Report Number: 820723
  • Archival Resource Key: ark:/67531/metadc737751

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 3, 2003

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  • Oct. 18, 2015, 6:40 p.m.

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  • March 22, 2016, 12:59 p.m.

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Baldasaro, P.F. & Fourspring, P.M. Improved Thermophotovoltaic (TPV) Performance Using Dielectric Photon Concentrations (DPC), report, January 3, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc737751/: accessed October 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.