Critical Mass Flow Gas Meters—The Role of Errors due to the Presence of a Restriction Downstream

[+] Author and Article Information
A. Teodorczyk, G. A. Karim, H. Tawfiq

Department of Mechanical Engineering, The University of Calgary, Calgary, Alberta, Canada

J. Energy Resour. Technol 110(1), 55-58 (Mar 01, 1988) (4 pages) doi:10.1115/1.3231361 History: Received December 01, 1986; Revised October 20, 1987; Online October 22, 2009


An analysis, supported by experiment, is presented of the performance of a typical critical flow meter having a restriction in the form of another nozzle or orifice downstream of its discharge. Guidelines are then presented to establish the conditions for guarding against errors arising in such an arrangement.

Copyright © 1988 by ASME
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