Thermal Design of a Radiant Gas Heater for Brayton Cycle Power System PUBLIC ACCESS

[+] Author Affiliations
D. M. Evans

International Harvester Co., San Diego, CA

P. F. Pucci

U.S. Naval Postgraduate School, Monterey, CA

Paper No. 70-GT-36, pp. V01AT01A037; 8 pages
  • ASME 1970 International Gas Turbine Conference and Products Show
  • Volume 1A: General
  • Brussels, Belgium, May 24–28, 1970
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7985-6
  • Copyright © 1970 by ASME


The thermal design of a ground test gas heater for the NASA Brayton cycle power system is reviewed. The heater consists of a U-tube heat exchanger flowing a helium-xenon gas mixture, irradiated by a low-density pattern of tungsten filament quartz lamp heater modules, arranged to produce an exponential flux distribution along the tube axis. Choice of the correlating equation for gas-mixture forced-convection heat transfer, methods for selecting the most critical design cases with respect to flow friction and heat transfer, and the method of calculating radiant flux distribution for a particular heater module arrangement are discussed.

Copyright © 1970 by ASME
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