Upstream porthole injection in a 2-D scramjet model |
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| Authors: | AD Gardner A Paull TJ McIntyre |
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| Institution: | (1) Centre for Hypersonics, Department of Mechanical Engineering, The University of Queensland, St Lucia, 4072, Australia , AU;(2) Centre for Hypersonics, Department of Physics, The University of Queensland, St Lucia, 4072, Australia , AU |
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| Abstract: | Injection from portholes upstream of the combustion chamber was investigated as a method of delivering fuel into a scramjet.
This method reduces the viscous drag on a model by allowing a reduction in the length of the combustion chamber. At experimental
enthalpies of 3.0 MJ/kg in the T4 shock tunnel, there was no evidence of combustion in the intake, either by shadowgraph or
pressure measurements. Combustion was observed in the combustion chamber. A theoretical extension of these results is made
to a hot wall scenario.
Received 2 January 2001 / Accepted 3 August 2001 |
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| Keywords: | : Scramjet Upstream injection Porthole injection Shock tunnel Combustion |
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