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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25446

Title: Numerically Simulated Comparative Performance of a Scramjet and Shcramjet at Mach 11
Authors: Chan, Jonathan
Advisor: Sislian, Jean Pascal
Department: Aerospace Science and Engineering
Keywords: hypersonic
propulsion
scramjet
shcramjet
performance
simulation
Issue Date: 15-Dec-2010
Abstract: This study investigates the design and aeropropulsive performance of a complete, hydrogen powered, shock-induced combustion ramjet (shcramjet) at a flight Mach number of 11 and altitude of 34.5 km. The design includes a Prandtl-Meyer compression inlet, cantilevered ramp fuel injectors, a shock-inducing wedge and a divergent nozzle. Numerical studies are undertaken using the WARP code that solves the three-dimensional Favre-averaged Navier-Stokes equations closed by the Wilcox k-ω turbulence model and the Jachimowski H2/air chemical kinetics model. Studies of fuel injection properties, mixing duct length, combustor wedge and nozzle geometry are completed to maximize the overall performance of the vehicle. The final shcramjet configuration generates a specific impulse of 1110 s. A comparison is undertaken with a scramjet vehicle at identical flight conditions and using many of the same components. The comparable scramjet generates a higher specific impulse of 1450 s although it is significantly larger and therefore heavier.
URI: http://hdl.handle.net/1807/25446
Appears in Collections:Master
Institute for Aerospace Studies - Master theses

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