0
TECHNICAL BRIEFS

Surface Flow Visualization Using Thermal Tufts Produced by Evaporatively Cooled Spots

[+] Author and Article Information
Jason S. Smith, James W. Baughn

Department of Mechanical and Aeronautical Engineering, University of California, Davis, CA 95616 USA

Aaron R. Byerley

Department of Aeronautics, United States Air Force Academy, CO 80840 USA

J. Fluids Eng 127(1), 186-188 (Mar 22, 2005) (3 pages) doi:10.1115/1.1852493 History: Received March 11, 2004; Revised August 12, 2004; Online March 22, 2005

First Page Preview

View Large
First page PDF preview
Copyright © 2005 by ASME
Your Session has timed out. Please sign back in to continue.

References

Baughn, J. W., Butler, R. J., Byerley, A. R., and River, R. B., 1995, “An Experimental Investigation of Heat Transfer, Transition and Separation on Turbine Blades at Low Reynolds Number and High Turbulence Intensity,” ASME Paper no. 95-WA/HT-25.
River, R. B., Baughn, J. W., Townsend, J. L., Butler, R. J., and Byerley, A. R., 1999, “Thermal Tuft Fluid Flow Investigation Apparatus With A Color Alterable Thermally Responsive Liquid Crystal Layer,” United States Patent No. 5963292.
Townsend, J. L., 1996, “A Laser Thermal Tuft Using Liquid Crystals for Flow Visualization,” M.S. thesis, University of California, Davis.
Baughn,  J. W., Mayhew,  J. E., Butler,  R. J., Byerley,  A. R., and Rivir,  R. B., 1999, “Turbine Blade Flow Separation and Reattachment at Low Reynolds Numbers,” ASME J. Heat Transfer, 121, August picture gallery.
Butler,  R. J., Byerley,  A. R., Van Treuren,  K., and Baughn,  J. W., 2001, “The Effect of Turbulence Intensity and Length Scale on Low-Pressure Turbine Blade Aerodynamics,” Int. J. Heat Fluid Flow, 22, pp. 123–133.
Byerley,  A. R., Stormer,  O., Baughn,  J. W., Simon,  T. W., Van Treuren,  K. W., and List,  J., 2003, “Using Gurney Flaps to Control Laminar Separation on Linear Cascade Blades,” ASME J. Turbomach., 125(1), pp. 114–120.
Batchelder,  K. A., and Moffat,  R. J., 1998, “Surface Flow Visualization Using the Thermal Wakes of Small Heated Spots,” Exp. Fluids, 25, pp. 104–107.
Byerley,  A. R., Stormer,  O., Baughn,  J. W., Simon,  T. W., and Van Treuren,  K. W., 2001, “A Cool Thermal Tuft for Detecting Surface Flow Direction,” ASME J. Heat Transfer, 124, p. 594.

Figures

Grahic Jump Location
Laser thermal tuft (IR) on a turbine blade 4.
Grahic Jump Location
Heat transfer involved in thermal tufts.
Grahic Jump Location
Velocity and thermal boundary layer development.
Grahic Jump Location
Embedded ECTT cavity design.
Grahic Jump Location
IR image of ECTTs at freestream velocity of 5 m/s.
Grahic Jump Location
Enhanced IR image of the thermal tufts shown in Fig. 5

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In