A high-efficiency thermoelectric converter for space applications

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This paper presents a concept for using high-temperature superconducting materials in thermoelectric generators (SCTE) to produce electricity at conversion efficiencies approaching 50% of the Carrot efficiency. The SCTE generator is applicable to systems operating in temperature ranges of high-temperature superconducting materials and thus would be a low-grade converter. Operating in cryogenic temperature ranges provides the advantage of inherently increasing the limits of the Carrot efficiency. Potential applications are for systems operating in space where the ambient temperatures are in the cryogenic temperature range. The advantage of using high-temperature superconducting material in a thermoelectric converter is that it would significantly reduce ... continued below

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Pages: (7 p)

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Metzger, J.D. (Westinghouse Savannah River Co., Aiken, SC (United States)) & El-Genk, M.S. (New Mexico Univ., Albuquerque, NM (United States). Inst. for Space Nuclear Power Studies) January 1, 1990.

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Description

This paper presents a concept for using high-temperature superconducting materials in thermoelectric generators (SCTE) to produce electricity at conversion efficiencies approaching 50% of the Carrot efficiency. The SCTE generator is applicable to systems operating in temperature ranges of high-temperature superconducting materials and thus would be a low-grade converter. Operating in cryogenic temperature ranges provides the advantage of inherently increasing the limits of the Carrot efficiency. Potential applications are for systems operating in space where the ambient temperatures are in the cryogenic temperature range. The advantage of using high-temperature superconducting material in a thermoelectric converter is that it would significantly reduce or eliminate the Joule heating losses in a thermoelectric element. This paper investigates the system aspects and the material requirements of the SCTE converter concept, and presents a conceptual design and an application for a space power system.

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Pages: (7 p)

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OSTI; NTIS; GPO Dep.

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  • 26. intersociety energy conversion engineering (IECE) conference, Boston, MA (United States), 3-9 Aug 1991

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  • Other: DE92010062
  • Report No.: WSRC-MS-90-343
  • Report No.: CONF-910801--27
  • Grant Number: AC09-89SR18035
  • Office of Scientific & Technical Information Report Number: 5579376
  • Archival Resource Key: ark:/67531/metadc1092275

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1990

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • May 15, 2018, 6:04 p.m.

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Metzger, J.D. (Westinghouse Savannah River Co., Aiken, SC (United States)) & El-Genk, M.S. (New Mexico Univ., Albuquerque, NM (United States). Inst. for Space Nuclear Power Studies). A high-efficiency thermoelectric converter for space applications, article, January 1, 1990; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc1092275/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.