The experiments were conducted at a flow total enthalpy of 4.6MJ/kg which corresponds to a Mach 10 equivalent flight condition, and a flight dynamic pressure of 58 kPa, corresponding to an altitude of 32 km. Radical-farming behaviour was investigated employing two-dimensional chemi-luminescence ...
A coupled experimental and numerical study has been conducted to probe the flow structure/chemistry interactions in the ignition process inside a nominally two-dimensional scramjet configuration designed to operate in radical-farming mode. The flow conditions employed for the experiments are at the lower...
Porous Versus Porthole Fuel Injection in a Radical Farming Scramjet: Numerical Analysis Only porthole injectors are used, giving the internal flowpath a clean configurationsuitable for high-Mach-number operation with no physical obstructions to the flow. Furthermore, the structure of theshock waves in...
A coupled experimental/numerical study has been conducted in which the sensitivity of inlet-fuelled radical farming scramjet combustion to altitude (pressure) is investigated. Tests were conducted in a shock tunnel at conditions equivalent to flight Mach 8.4 to 8.7 and over an effective altitude ...
ScramjetsRadical FarmingFuel InjectionPorousA numerical investigation of the behaviour of fuel injection through a porous surface in an inlet-fuelled, radial-forming scramjet is presented. The performance of porous fuel injection is compared to discrete port hole injection at an equivalence ratio of Φ...
The experimental campaign was conducted in the T4 shock tunnel using a Mach 10 enthalpy-equivalent flight condition. The scramjet was configured to operate in radical farming mode, where combustion radicals are generated in hot pockets that form behind shock-wave reflections at the walls. The OH~...