0
TECHNICAL PAPERS

Quantitative Visualization of the Flow in a Centrifugal Pump With Diffuser Vanes—I: On Flow Structures and Turbulence

[+] Author and Article Information
Manish Sinha, Joseph Katz

Department of Mechanical Engineering, The Johns Hopkins University, Baltimore, MD 21218

J. Fluids Eng 122(1), 97-107 (Nov 04, 1999) (11 pages) doi:10.1115/1.483231 History: Received January 08, 1999; Revised November 04, 1999
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Schematic of the pump and location of the present measurements (not to scale)
Grahic Jump Location
The optical and control system for image acquisition
Grahic Jump Location
The performance curve of the pump. The experiments have been performed at 5.7 1/s (flow coefficient=0.118).
Grahic Jump Location
(a) A sample phase-averaged vector map of the velocity distribution at θb=226 deg. (b) Magnitude of the phase averaged velocity distribution at impeller phase of (b1) θb=206 deg, (b2) θb=216 deg, (b3) θb=226 deg, (b4) θb=236 deg, and (b5) θb=246 deg
Grahic Jump Location
(a) Passage averaged velocity in the stator reference frame. Contours represent magnitude. (b) Distribution of Δu the cyclic velocity calculated as per Eq. (2) at (b1) 206 deg, (b2) 216 deg, (b3) 226 deg, (b4) 236 deg, and (b5) 246 deg
Grahic Jump Location
Distribution of the turbulent kinetic energy (k*) at (a) θb=206 deg, (b) θb=216 deg, (c) θb=226 deg, (d) θb=236 deg, and (e) θb=246 deg, (f ) convergence of k* at selected points
Grahic Jump Location
Distribution of the Reynolds Stress (−u1u2) at (a) θb=206 deg, (b) θb=216 deg, (c) θb=226 deg, (d) θb=236 deg, and (e) θb=246 deg, (f ) convergence of Reynolds stress (−u1u2) at selected points
Grahic Jump Location
Phase-averaged vorticity distributions at impeller phase: (a) 206 deg (direction of positive vorticity is out of the plane of the paper) (b) 216 deg, (c) 226 deg, (d) 236 deg, and (e) 246 deg.

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