Abstract
An account of the design and development of a prototype flow meter for measuring the flow of liquids under transient conditions was presented by the author at the Symposium on the Measurement of Pulsating Flow at the University of Surrey, April 1970. The flow meter exhibited good transient behaviour in response to rapid flow variations and a favourable correlation existed between theoretically predicted and experimental steady flow results.
This paper gives a derivation of the theory underlying the transient behaviour of the instrument and shows how the essentially non-linear equations of motion may be linearised to produce easily manageable linear equations. The good transient response characteristics are accounted for by virtue of the high value of ‘hydraulic stiffness’.
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