AFRL engineers provided Aerojet with technical support, test article design, computational flow modeling, and data analysis support. The results of their analysis exceed the goals set forth by the Air Force for improved dual-mode scramjet engines. They collected data related to thrust, combustor pressures and temperatures, and flow. In 1996, the Hyper-X Program was initiated to advance hypersonic. The engineers employed a variety of fuel injector arrangements, fueling levels, and other test conditions. Notch Filter Design to Increase Robustness with respect to Flexible Dynamics. They also established a baseline dataset to support the structurally efficient round combustor's scalability for engines suitable for cruiser aircraft and space applications. The tests demonstrated the use of technologies for increasing the operability of scramjet engines over the current baseline. Eliminating the inherent corner effects of two-dimensional geometries reduces both the surface area and the overall weight of the combustor.Įngineers conducted the tests at enthalpies typical for Mach 2.7 to Mach 5 flight. Round combustor geometries are favorable due to their ability to withstand internal pressure. Working under the Robust Scramjet program, Aerojet (Orange, Virginia) successfully completed the initial test series on a missile-scale round scramjet combustor. WRIGHT-PATTERSON AIR FORCE BASE, Ohio - AFRL's Robust Scramjet program establishes new and improved capability in dual-mode scramjet combustors along three major pillars: scalability, operability, and durability.
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