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Flow Measurements in a Model Ramjet Secondary Combustion Chamber

Chittilapilly, Lazar T and Venkateswaran, S and Paul, PJ and Mukunda, HS (1990) Flow Measurements in a Model Ramjet Secondary Combustion Chamber. In: Journal of Propulsion and Power, 6 (6). pp. 727-731.

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Abstract

Exptl. studies were conducted on a typical secondary combustion chamber of a ramjet to understand the effect of various inlet parameters such as primary nozzle configuration, secondary air injection angle, and flow Reynolds nos. on the secondary combustion chamber (SCC) performance. Cold flow studies were made with air as the flow medium for both primary and secondary jets followed by similar studies with hot primary jets. The general flow structure in the SCC obtained from surface oil film technique showed recirculation zones near the head end. The combustor length required for jet mixing was unrelated to recirculation zone length confirmed by selective temp. and total pressure profile measurements. The calcd. frictional loss from the momentum balance consideration was small. Improvement in mixing can be achieved by a choice of multiple-hole primary nozzle configuration.

Item Type: Journal Article
Additional Information: The Copyright belongs to American Institute of Aeronautics and Astronautics.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 07 Aug 2008
Last Modified: 19 Sep 2010 04:29
URI: http://eprints.iisc.ernet.in/id/eprint/7514

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