Experimental Comparison of Flow Fields at the Inlet and the Outlet of an Inducer With Shrouded and Unshrouded Configurations-Reference-Cited by-同舟云学术

Experimental Comparison of Flow Fields at the Inlet and the Outlet of an Inducer With Shrouded and Unshrouded Configurations

Published:1997-12-01 Issue:4 Volume:119 Page:954-959
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Offtinger C.¹,Henry C.¹,Morel R.¹,Spettel F.¹

Affiliation:

1. Equipe Hydraulique I.N.S.A. Lyon, Laboratoire de Me´canique des Fluides et d’Acoustique, U.M.R. CNRS 5509 E.C.L., U.C.B. Lyon I, 20, ave A. Einstein, 69621 Villeurbanne, Cedex, France

Abstract

The flow field was measured near the inlet and the outlet of an axial flow inducer with shrouded and unshrouded configurations combined with a centrifugal pump. Investigations were conducted using a five-hole probe for several flow rates. The shroud induces a counterrotating flow at the inlet and a blockage effect at the outlet in the region of the tip and for all flow rates. The radial distribution of losses keeps the same shape in both configurations, however, the loss level is higher with the shroud, giving a lower efficiency for the combined inducer-impeller configuration. Effects of shrouded inducer on part load instability are not clear and deserve more research, which is in progress.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/119/4/954/5756989/954_1.pdf

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2. Investigation and Control of Backflow Ahead of a Shrouded Inducer;Journal of Fluids Engineering;1998-09-01