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Non-disruptive and null-deflection mass flow measurement by a pressure compensation technique

Prasanna, UR and Umanand, L (2010) Non-disruptive and null-deflection mass flow measurement by a pressure compensation technique. In: Flow Measurement and Instrumentation, 21 (1). pp. 54-61.

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Official URL: http://dx.doi.org/10.1016/j.flowmeasinst.2009.11.0...


Accurate mass flow measurement is very important in various monitoring and control applications. This paper proposes a novel method of fluid flow measurement by compensating the pressure drop across the ends of measuring unit using a compensating pump. The pressure drop due to the flow is balanced by a feedback control loop. This is a null-deflection type of measurement. As the insertion of such a measuring unit does not affect the functioning of the systems, this is also a non-disruptive flow measurement method. The implementation and design of such a unit are discussed. The system is modeled and simulated using the bond graph technique and it is experimentally validated. (C) 2009 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Publication: Flow Measurement and Instrumentation
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Mass flow measurement;Non-disruptive;Null-deflection;Bond graph model
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Date Deposited: 14 Jul 2010 04:51
Last Modified: 19 Sep 2010 06:10
URI: http://eprints.iisc.ac.in/id/eprint/28957

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