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Flow Study of a Redesigned High Pressure Ratio Centrifugal Compressor

Krain, Hartmut and Hoffmann, Bettina (2007) Flow Study of a Redesigned High Pressure Ratio Centrifugal Compressor. In: American Institute of Aeronautics and Astronautics Inc., ISABE-2007 (1223), pp. 1-9. 18th ISABE Conference, 2007-09-02 - 2007-09-07, Beijing, China.

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Abstract

A high specific speed, 6:1 total pressure ratio centrifugal compressor rotor has been improved with the knowledge gained from previous investigations on similar types of compressors and with the help of advanced 3D-design calculations. The new rotor has the same main dimensions as its predecessor and was designed for the same operating point. It was manufactured and was tested at DLR with conventional and optical measurement techniques. Performance and optical measurements were carried out up to tip speeds of 586 m/s. The investigations were supported by 3D stage calculations which delivered detailed insight into the impeller and diffuser flow development.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Flow Study of a Redesigned High Pressure Ratio Centrifugal Compressor
Authors:
AuthorsInstitution or Email of Authors
Krain, HartmutUNSPECIFIED
Hoffmann, BettinaUNSPECIFIED
Date:15 May 2007
Journal or Publication Title:American Institute of Aeronautics and Astronautics Inc.
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:ISABE-2007
Page Range:pp. 1-9
Series Name:18th ISABE-Conference
Status:Published
Keywords:Transonic centrifugal compressor, laser measurements, 3D stage calculations
Event Title:18th ISABE Conference
Event Location:Beijing, China
Event Type:international Conference
Event Dates:2007-09-02 - 2007-09-07
Organizer:ISABE
HGF - Research field:Energy
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Fan and Compressor Technologies
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology
Deposited By: Dr.-Ing. Hartmut Krain
Deposited On:05 Nov 2007
Last Modified:15 Jan 2010 01:10

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