On the Compressible Flow Losses Through Abrupt Enlargements and Contractions

[+] Author and Article Information
Predrag Marjanović

Centre for Industrial Bulk Solids Handling, Department of Physical Sciences, Glasgow Caledonian University, Cowcaddens Road, Glasgow G4 OBA, United Kingdom

Vladan Djordjević

University of Belgrade, 27.marta 80, 11000 Belgrade, Yugoslavia

J. Fluids Eng 116(4), 756-762 (Dec 01, 1994) (7 pages) doi:10.1115/1.2911846 History: Received January 17, 1993; Revised February 23, 1994; Online May 23, 2008


The well-known structure of incompressible flow through abrupt enlargements and contractions is applied to the subsonic compressible flow through the same area change. Using the basic system of equations for 1-D model of flow, both cases are solved for adiabatic and isothermal conditions. The changes for all flow parameters (M, v, p, p0 , T, T0 , s) are obtained analytically and shown graphically. The results are compared with the available experimental data.

Copyright © 1994 by The American Society of Mechanical Engineers
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