Hot-Wire Measurements of Velocity and Temperature Fluctuations in a Heated Turbulent Boundary Layer FREE

[+] Author Affiliations
M. F. Blair

United Technologies Research Center, East Hartford, CT

J. C. Bennett

University of Connecticut, Storrs, CT

Paper No. 84-GT-234, pp. V004T09A020; 10 pages
  • ASME 1984 International Gas Turbine Conference and Exhibit
  • Volume 4: Heat Transfer; Electric Power
  • Amsterdam, The Netherlands, June 4–7, 1984
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7949-8
  • Copyright © 1984 by ASME


This paper describes the development of a multi-element hot-wire anemometry system designed to measure the fluctuating velocity and temperature in non-isothermal boundary layer flows. Special features of this system were that it utilized only standard constant-temperature anemometers and standard, commercially-available sensors. Although maximum frequency response for the present system was limited by the available signal digitization rates the probe/anemometry combination itself was shown to be capable of resolving signals to approximately 50 KHz. The performance of the system was evaluated by comparing velocity and temperature statistics measured in an equilibrium turbulent boundary layer flow with similar results from other investigations.

Copyright © 1984 by ASME
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