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Dynamic Pressure Calibration StandardVibrating columns of fluid used to calibrate transducers. Dynamic pressure calibration standard developed for calibrating flush diaphragm-mounted pressure transducers. Pressures up to 20 kPa (3 psi) accurately generated over frequency range of 50 to 1,800 Hz. System includes two conically shaped aluminum columns one 5 cm (2 in.) high for low pressures and another 11 cm (4.3 in.) high for higher pressures, each filled with viscous fluid. Each column mounted on armature of vibration exciter, which imparts sinusoidally varying acceleration to fluid column. Signal noise low, and waveform highly dependent on quality of drive signal in vibration exciter.
Document ID
19860000169
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Schutte, P. C.
(West Virginia Institute of Technology)
Cate, K. H.
Young, S. D.
Date Acquired
August 12, 2013
Publication Date
June 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 2
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LAR-13443
Accession Number
86B10169
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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