Flow Field Measurements of an Unsteady Reacting Muzzle Exhaust Flow

[+] Author and Article Information
G. Klingenberg

Fraunhofer-Institut für Kurzzeitdynamik, Ernst-Mach-Institut (EMI-AFB), 7858 Weil an Rhein, West Germany

H. Mach, G. Smeets

Deutsch-Französisches Forschungsinstitut (ISL), F-68301 Saint Louis, France

J. Heat Transfer 105(4), 884-888 (Nov 01, 1983) (5 pages) doi:10.1115/1.3245677 History: Received September 09, 1982; Online October 20, 2009


The events associated with the discharge of a 20-mm caliber weapon have been examined in detail in order to identify and understand important features of the reacting gun muzzle flow field. The diagnostics applied involves shadowgraph and Schlieren photography, invasive pressure probes, spectroscopy for temperature measurements and Laser-Doppler velocimetry for velocity measurements. Emphasis has been on velocity measurements using two setups to determine both the axial and lateral velocity components throughout the muzzle flow field. The data clearly demonstrate the complexity of the processes involved in the unsteady flow expansion of the gun muzzle exhaust flow.

Copyright © 1983 by ASME
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