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PIV Applied to a Transonic Centrifugal Compressor

Voges, Melanie and Willert, Christian (2007) PIV Applied to a Transonic Centrifugal Compressor. In: Particle Image Velocimetry, a practical guide (second edition) Experimental Fluid Mechanics. Springer Verlag, Berlin, Heidelberg, New York. pp. 332-339. ISBN 978-3-540-72307-3.

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Official URL: http://www.springer.com/dal/home/engineering?SGWID=1-175-22-173738797-0

Abstract

In the present application PIV was chosen to analyze the complex flow phenomena inside a vaned diffuser of a new generation transonic centrifugal compressor, as this planar technique is capable of detecting unsteady flow structures and to resolve even high velocity gradients as well as unsteady shock configurations previously undetectable with point-wise techniques such as laser-2-focus velocimetry (L2F). Measurements were carried out at rotational speeds between 35,000 and 50,000 rpm. The compressor stage was designed for a pressure ratio of 6:1. Due to the advanced impeller geometry the diffuser section has a conical shape and a constant passage height of 8.1 mm. With a special light sheet periscope probe is was possible to adjust the light sheet to three vane span locations chosen for flow investigation: center plane (50%), one plane close to the hub (19%) and one close to the tip (74%).

Document Type:Book Section
Title:PIV Applied to a Transonic Centrifugal Compressor
Authors:
AuthorsInstitution or Email of Authors
Voges, MelanieUNSPECIFIED
Willert, ChristianUNSPECIFIED
Date:2007
Journal or Publication Title:Particle Image Velocimetry, a practical guide (second edition)
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 332-339
Editors:
EditorsEmail
Adrian, R. J.UNSPECIFIED
Gharib, M.UNSPECIFIED
Rockwell, D.UNSPECIFIED
Publisher:Springer Verlag, Berlin, Heidelberg, New York
Series Name:Experimental Fluid Mechanics
ISBN:978-3-540-72307-3
Status:Published
Keywords:PIV, centrifugal compressor, transonic, high pressure
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology
Institute of Propulsion Technology > Engine Measurement Systems
Deposited By: Melanie Voges
Deposited On:15 Jan 2008
Last Modified:27 Apr 2009 14:37

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