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Heat and Mass Transfer Design of a Silicon Carbide Micro-Channel Heat Exchanger

[+] Author Affiliations
Merrill A. Wilson, Michele Bullough

Ceramatec, Inc., Salt Lake City, UT

Kriston Brooks, Kurt Recknagle

Pacific Northwest National Laboratories, Richland, WA

Paper No. IMECE2003-55315, pp. 171-172; 2 pages
doi:10.1115/IMECE2003-55315
From:
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Process Industries
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Process Industries Division
  • ISBN: 0-7918-3725-4 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME

abstract

Efficiency and emissions of advanced gas turbine power cycles can be improved by incorporating high-temperature ceramic heat exchangers. In cooperation with the DOE, a highly effective microchannel ceramic recuperator for a microturbine is under development. In this recuperator, the use of microchannel architecture will improve heat transfer and provide a more uniform temperature distribution. This will result in overall higher productivity per unit volume compared to conventional hardware. The use of ceramic for the recuperator will allow higher temperature operation than available in conventional microturbines. Based on a model for a typical microturbine, these changes may improve the overall system efficiency from about 27% to over 40%.

Copyright © 2003 by ASME

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