41st Aerospace Sciences Meeting and Exhibit 2003
DOI: 10.2514/6.2003-374
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Vortex Tube Air Separation Applications for Air Collection Cycle Hypersonic Vehicles

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Cited by 9 publications
(2 citation statements)
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“…LOX separation using vortex tube is a promising technology for inflight LOX separation since it has no moving parts, is unaffected by gravity and orientation and moreover due to simplicity of its mechanical configuration. In-flight LOX collection results in significant reduction of lift-off mass of cryogenic launch vehicles because stored LOX and its storage tank are no longer required [5]. This in turn can result in lower thrust needed to place the pay load at its orbit.…”
Section: Introductionmentioning
confidence: 99%
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“…LOX separation using vortex tube is a promising technology for inflight LOX separation since it has no moving parts, is unaffected by gravity and orientation and moreover due to simplicity of its mechanical configuration. In-flight LOX collection results in significant reduction of lift-off mass of cryogenic launch vehicles because stored LOX and its storage tank are no longer required [5]. This in turn can result in lower thrust needed to place the pay load at its orbit.…”
Section: Introductionmentioning
confidence: 99%
“…In order to become an acceptable technology for in-flight LOX separation, it is necessary to achieve in vortex tubes a minimum oxygen purity of 90% for the oxygen enriched stream. Otherwise impurities in the combustion can significantly reduce the specific impulse and therefore the thrust of the liquid propellant rocket [5]. Also, the yield or separation efficiency of LOX, which is the ratio of oxygen mass in the enriched stream to the oxygen mass in the inlet stream, has to be greater than ~60% to make the LOX separation process viable for launch vehicles.…”
Section: Introductionmentioning
confidence: 99%