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Details of Grant 

EPSRC Reference: GR/L85473/01
Title: (JREI)APPLICATION OF LASER DOPPLER ANEMOMETRY TO TURBOMACHINERY EXTERNAL AERODYNAMIC & COMBUSTION FLOWS
Principal Investigator: Cumpsty, Professor N
Other Investigators:
Dawes, Professor WN Hodson, Professor H
Researcher Co-Investigators:
Project Partners:
Dantec Rolls-Royce Plc (UK)
Department: Engineering
Organisation: University of Cambridge
Scheme: JREI
Starts: 01 June 1998 Ends: 31 May 2001 Value (£): 70,441
EPSRC Research Topic Classifications:
Aerodynamics Combustion
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
The Fluid Dynamics and Thermodynamics Division of the Cambridge University Engineering Department has a history of innovative work using experimental, theoretical and numerical methods. The lack of an essential peice of instrumentation, namely a laser anemometer, threatens the continuation of this research. The need is greatest for experimental research but it is important also for CFD. It is proposed to purchase a one dimensional Laser Doppler Anemometer. This will be capable of expansion to two and three dimensional measurments at a later time.LDA offers several advantages over conventional probe systems. It is non intrusive which is very important in regions of separating flows such as in compressors or behind high life airfoils. The measuring volume is very small so that measurements of surface velocities can be made close to surfaces in small scale experiments such as in the leading edge separation bubbles of high speed airfoils. LDA also allows measurements to be made inside moving components such as turbomachine rotor blades. The measurement of velocity is independaent of the density or temperature of the flow which is particularly important in turbomachinery, and combustion and flame research. It is planned to apply the LDA system to the above research problems.
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Organisation Website: http://www.cam.ac.uk