Method and apparatus for combusting fuel employing vortex stabilization
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United States of America Patent
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Dec 8, 2009
Grant Date -
Nov 19, 2009
app pub date -
Jun 26, 2008
filing date -
May 19, 2008
priority date (Note) -
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Abstract
The present method and apparatus for producing a supersonic jet stream introduce an oxidizer in such a manner as to create a vortex, which is then restricted. Fuel is introduced into a reduced pressure eye of the vortex, forming a stratified composite stream of gases with unmixed oxidizer surrounding an inner mixture of fuel and oxidizer. This stratified composite stream is passed down a tube that exhausts to a low pressure environment. The combined fuel and oxidizer in the stratified stream is ignited to provide a high-velocity stream of combustion products. The outer layer of unmixed oxidizer in the vortex shields the tube and reduces or eliminates the need for additional cooling.
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