Physical Basis for the Maximum Thermal Radiation Emission between Materials

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An analytic basis for the limit on intra-media thermal radiation transport has been obtained as a simple function of temperature and material optical properties (n,k). It is shown that optical parameters determine the maximum radiative energy transfer rate by altering media radiative state density and energy density. Quantitative analysis shows that intra-media radiative transfer rates may exceed the radiation into free space as described by the Stephan-Boltzmann equation by several orders of magnitude. The frequency dependence of the optical properties further alters the expected blackbody spectral dependence. This generalized formulation of the limit to thermal radiation transfer in terms of ... continued below

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487 Kilobytes pages

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Baldasaro, P.F. & Beausang, J.F. April 24, 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 12 times . More information about this report can be viewed below.

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  • Lockheed Martin
    Publisher Info: Lockheed Martin Corporation, Schenectady, NY 12301 (United States)
    Place of Publication: Schenectady, New York

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Description

An analytic basis for the limit on intra-media thermal radiation transport has been obtained as a simple function of temperature and material optical properties (n,k). It is shown that optical parameters determine the maximum radiative energy transfer rate by altering media radiative state density and energy density. Quantitative analysis shows that intra-media radiative transfer rates may exceed the radiation into free space as described by the Stephan-Boltzmann equation by several orders of magnitude. The frequency dependence of the optical properties further alters the expected blackbody spectral dependence. This generalized formulation of the limit to thermal radiation transfer in terms of media optical properties expands the understanding and future potential of radiative processes.

Physical Description

487 Kilobytes pages

Notes

OSTI as DE00821375

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  • Other Information: PBD: 24 Apr 2003

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  • Report No.: LM-03K038
  • Grant Number: AC12-00SN39357
  • DOI: 10.2172/821375 | External Link
  • Office of Scientific & Technical Information Report Number: 821375
  • Archival Resource Key: ark:/67531/metadc739318

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • April 24, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 28, 2016, 8:53 p.m.

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Baldasaro, P.F. & Beausang, J.F. Physical Basis for the Maximum Thermal Radiation Emission between Materials, report, April 24, 2003; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc739318/: accessed November 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.