In order to assist in the understanding of high speed flutter, a series of tests has been conducted on a research fan in which the blade surface pressures have been measured by means of miniature silicon diaphragm pressure transducers embedded in selected fan blades. Prior to this investigation a program of rig tests was conducted to examine the effects of centrifugal force and vibration on the transducer performance and a transducer mounting technique was developed to minimize blade induced stress in the transducer. Instantaneous measurements of the tip stagger angles of the pressure instrumented fan blades have enabled a cross correlation to be performed on the blade surface pressure data and the blade tip angles. Some typical test results are shown.
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December 1980
Research Papers
System to Measure the Pressure Distribution on Fan Aerofoil Surfaces During Flutter Conditions
John W. H. Chivers
John W. H. Chivers
Electronics and Instrumentation Research Group, Rolls-Royce Limited, Derby, England
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John W. H. Chivers
Electronics and Instrumentation Research Group, Rolls-Royce Limited, Derby, England
J. Fluids Eng. Dec 1980, 102(4): 427-432 (6 pages)
Published Online: December 1, 1980
Article history
Received:
September 1, 1979
Online:
October 26, 2009
Citation
Chivers, J. W. H. (December 1, 1980). "System to Measure the Pressure Distribution on Fan Aerofoil Surfaces During Flutter Conditions." ASME. J. Fluids Eng. December 1980; 102(4): 427–432. https://doi.org/10.1115/1.3240715
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