0
TECHNICAL PAPERS: Heat Transfer Enhancement

Heat Transfer and Fluid Flow in a Square Duct With 12 Different Shaped Vortex Generators

[+] Author and Article Information
T.-M. Liou, C.-C. Chen

T.-W. Tsai

Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30043, R.O.C.

J. Heat Transfer 122(2), 327-335 (Dec 01, 1999) (9 pages) doi:10.1115/1.521487 History: Received March 27, 1999; Revised December 01, 1999
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Sketch of configuration, coordinate system, and dimensions of vortex generator and test section
Grahic Jump Location
Schematic drawing of overall experimental system
Grahic Jump Location
Streamwise mean velocity and turbulence intensity profiles at inlet reference station X=0 (smooth wall)
Grahic Jump Location
Detailed local Nusselt number ratio distributions near 12 different configurations of SVG at Re=1.2×104 (fluid flow from right to left)
Grahic Jump Location
Secondary flow patterns and turbulent kinetic energy contours at a selected cross section located 3 mm behind a SVG for Re=1.2×104: (C) 45 deg V U_ VG; (D) 45 deg V D_ VG; and (G) delta wing I U_ VG. (Note that the secondary flow patterns are plotted facing the downstream direction.)
Grahic Jump Location
Vector plot of the flow patterns near a SVG along Z=0 plane for Re=1.2×104: (C) 45 deg V U_ VG and (G) delta wing I U_ VG.
Grahic Jump Location
The spanwise distributions of (1) Nu/Nu0, (2) U/Ub, (3) −V/Ub, and (4) k/Ub2 at a stage 1H (3 mm) behind a SVG for Re=1.2×104: (C) 45 deg V U_ VG; (D) 45 deg V D_ VG; and (G) delta wing I U_ VG (LDV measurements performed at 1-mm distance away from the wall Y/B=0)
Grahic Jump Location
Detailed local Nusselt number ratio distributions around VG in an array: (C) 45 deg V U_ VGA and (G) delta wing I U_ VGA.
Grahic Jump Location
Mean velocity vector plots of flow patterns in a pitch module along Z=0 plane for Re=1.2×104: (C) 45 deg V U_ VGA and (G) delta wing I U_ VGA.
Grahic Jump Location
Streamwise distributions of (1) spanwise averaged Nu/Nu0 and (2) wall static pressure coefficient in VGAs along Z=0 plane for Re=1.2×104: (C) 45 deg V U_ VGA and (G) delta wing I U_ VGA

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 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