Application of multi-extruded fuel injectors for mixing enhancement of hydrogen gas at scramjet engine: computational study. [PDF]
Sci Rep, 2023 Abdollahi SA +4 more
europepmc +1 more source
Combustion of hydrogen in a two-dimensional duct with step fuel injectors [PDF]
An investigation of the combustion of hydrogen perpendicularly injected from step fuel injectors into a Mach 2.72, 2100 K vitiated test gas was conducted. The model simulated the flow between the center and side struts of an integrated scramjet module at
Eggers, J. M. +2 more
core +1 more source
Fuel mixing enhancement of transverse coaxial air and fuel jet by upstream shock wave on in scramjet engines: numerical study. [PDF]
Sci Rep, 2023 Abdollahi SA +4 more
europepmc +1 more source
Usage of extruded diamond multi-injectors for improvement of fuel mixing inside the supersonic combustion chamber. [PDF]
Sci Rep, 2023 Seraj H +3 more
europepmc +1 more source
Operating characteristics of the Langley Mach 7 Scramjet Test Facility [PDF]
Operating characteristics of the Langley Mach 7 Scramjet Test Facility are described. The facility is designed for testing airframe integrated scramjet (supersonic combustion ramjet) engine models.
Guy, R. W. +3 more
core +1 more source
Applied SciencesRegeneratively cooled scramjets are successfully used as propulsion devices in hypersonic vehicles. During operation, scramjets experience acceleration. This special process causes a dynamic flow process, and heat transfer in the cooling channel commonly
Qing Xu +3 more
doaj +1 more source
Influence of extruded injector nozzle on fuel mixing and mass diffusion of multi fuel jets in the supersonic cross flow: computational study. [PDF]
Sci Rep, 2023 Abdollahi SA +2 more
europepmc +1 more source
Pitot survey of exhaust flow field of a 2-D scramjet nozzle at Mach 6 with air or freon and argon used for exhaust simulation [PDF]
A pitot-rake survey of the simulated exhaust of a half-span scramjet nozzle model was conducted in the Langley 20-Inch Mach 6 Tunnel to provide an additional data set for computational fluid dynamics (CFD) code comparisons. A wind-tunnel model was tested
Monta, William J.
core +1 more source
Chemical kinetic analysis of hydrogen-air ignition and reaction times [PDF]
An anaytical study of hydrogen air kinetics was performed. Calculations were made over a range of pressure from 0.2 to 4.0 atm, temperatures from 850 to 2000 K, and mixture equivalence ratios from 0.2 to 2.0.
Rogers, R. C., Schexnayder, C. J., Jr.
core +1 more source
Active cooling design for scramjet engines using optimization methods [PDF]
A methodology for using optimization in designing metallic cooling jackets for scramjet engines is presented. The optimal design minimizes the required coolant flow rate subject to temperature, mechanical-stress, and thermal-fatigue-life constraints on ...
Lucas, Stephen H. +2 more
core +1 more source