ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities
DOI: 10.1109/iciasf.1997.644680
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Design and calibration of an unsteady pressure measurement system

Abstract: This paper presents a method to calibrate the frequency response characteristics of fast response pressure transducers. The method is shown to give good results up to frequencies of at least 50 kHz. Then the frequency response of a pressure measurement system, consisting of a short tube followed by one of these transducers, is calibrated. A theoretical model describing the frequency response of the same pressure measurement system is translated into a computer program and shown to provide excellent agreement w… Show more

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Cited by 6 publications
(3 citation statements)
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“…It is difficult to demonstrate this nonlinear quenching behavior experimentally with fast paints because most dynamic calibration devices are limited by either frequency response or pressure range. Calibration tools that have commonly been used include shock tube facilities, 10,15 solenoid valves, 7,9,38,49,50 loudspeakers, 51,52 siren pressure generators, 53 pulsating jets, 54 and fluidic oscillators. 19,21 The characteristics of these calibration techniques are summarized in Table 2.…”
Section: Resultsmentioning
confidence: 99%
“…It is difficult to demonstrate this nonlinear quenching behavior experimentally with fast paints because most dynamic calibration devices are limited by either frequency response or pressure range. Calibration tools that have commonly been used include shock tube facilities, 10,15 solenoid valves, 7,9,38,49,50 loudspeakers, 51,52 siren pressure generators, 53 pulsating jets, 54 and fluidic oscillators. 19,21 The characteristics of these calibration techniques are summarized in Table 2.…”
Section: Resultsmentioning
confidence: 99%
“…Following this approach, Bergh and Tijdeman [13] developed a model that considers viscous and thermal effects in the connecting tube and is expressed in the form of complex frequency response function. Their mathematical model was experimentally validated in many papers and is currently considered to be state of the art for calculating the frequency responses of both gas and liquid pressure measurement systems with constant wall temper atures and laminar flow [14][15][16][17][18][19][20][21].…”
Section: Measurement Science and Technologymentioning
confidence: 99%
“…These tubes cause a phase lag and attenuation carried by the signal at the transducer compared to the signal at the surface of the airfoil. This is done using a user-friendly Matlab tool PreMeSys v2.0 based on the theory of Bergh and Tijdeman [31,32] that defines a process to determine the response time of a measurement system consisting of pressure tubes and transducers connected in series. The pressure relationship for consecutive tubes and a series of N tubes is given respectively in Equations ( 6) and ( 7)…”
Section: Data Processing and Sources Of Uncertaintymentioning
confidence: 99%