Correcting for Response Lag in Unsteady Pressure Measurements in Water

[+] Author and Article Information
Rand N. Conger

John Graham Associates, Seattle, WA 98101

B. R. Ramaprian

Department of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920

J. Fluids Eng 115(4), 676-679 (Dec 01, 1993) (4 pages) doi:10.1115/1.2910198 History: Received October 23, 1992; Revised January 19, 1993; Online May 23, 2008


There is not much information available on the use of diaphragm-type pressure transducers for the measurement of unsteady pressures in liquids. A procedure for measuring the dynamic response of a pressure transducer in such applications and correcting for its inadequate response is discussed in this report. An example of the successful use of this method to determine unsteady surface pressures on a pitching airfoil in a water channel is presented.

Copyright © 1993 by The American Society of Mechanical Engineers
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