0
TECHNICAL PAPERS

An Experimental Investigation of Starting Impinging Jets

[+] Author and Article Information
Hongze Lai, Jonathan W. Naughton, William R. Lindberg

Department of Mechanical Engineering, University of Wyoming, Laramie, WY 82071

J. Fluids Eng 125(2), 275-282 (Mar 27, 2003) (8 pages) doi:10.1115/1.1537255 History: Received December 20, 2001; Revised September 19, 2002; Online March 27, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Schematic of experimental setup: (a) starting jet test apparatus, and (b) flow visualization arrangement
Grahic Jump Location
Edge-enhanced images with important parameters: (a) starting free jet and (b) wall jet
Grahic Jump Location
Edge enhanced images of a starting jet impinging on a flat surface (case 4). The images shown were captured at (a) 2070, (b) 3670, (c) 6530, (d) 10620, (e) 15980, and (f ) 21470 U0t/d0.
Grahic Jump Location
Edge enhanced images of a starting jet impinging on a curved surface (case 6). The images shown were captured at (a) 730, (b) 1480, (c) 2230, (d) 3740, (e) 5260, and (f ) 7920 U0t/d0.
Grahic Jump Location
Free-jet front trajectory
Grahic Jump Location
Radial wall-jet front trajectory with linear least-squares fit of the data (solid line) shown
Grahic Jump Location
Important parameters for a jet impinging on a curved surface
Grahic Jump Location
Jet-front trajectory of the wall jet along a circular-arc surface for case 6 with a linear least-squares fit of the data (solid line) shown
Grahic Jump Location
Definitions of coordinate system and normalized intensity level profile: (1) the “steady” wall-jet region; (2) a scan line; and (3) a normalized intensity profile on the scan line. The image is the negative of an instantaneous result and is shown only for location reference.
Grahic Jump Location
Normalized intensity profiles at nine radial locations for case 5 (horizontal dashed lines denote the base lines for the subsequent radial locations)
Grahic Jump Location
Radial wall-jet width at three normalized-intensity levels for case 5
Grahic Jump Location
Intensity fluctuations at nine selected radial locations for case 5. The horizontal dashed lines denote zero intensity for each of the radial locations. The slanted solid lines indicate the propagation of a large-scale structure.
Grahic Jump Location
Comparison of jet-front propagation for a jet impinging on a free surface and a jet impinging on a wall

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