[PDF] Top 20 Numerical Simulation of Scramjet Combustion in a Shock Tunnel

... supersonic combustion in any scramjet design is a remarkable accomplishment unto itself, but to achieve such combustion without flame holding or flame anchoring devices is ...and combustion ... See full document

... the scramjet engine, was first examined in the 1950’s and 60’s with great interest ...maintaining combustion in a supersonic flow, engine wall cooling, and the fact that the engine must first be brought up ... See full document

... the simulation was tuned within the subsequently measured limits of 303 and 313 K until the incident shock speed matched that of the ...the shock tube (driven) and dump tank gases because there was ... See full document

... performed numerical simulations of high enthalpy pulse facilities to tackle the above mentioned ...flow simulation of the NASA Ames 16” Shock Tunnel Facility and describe the numerical ... See full document

... diameter shock tunnel have been used to deduce the thickness of the shock tube interface and its dis- tribution across the tube for a primary shock Mach number of ...entire shock ... See full document

... supersonic combustion through a configuration studied at ON- ERA/JAXA; however, the influences of the subgrid closures used were ...Large-Eddy Simulation (ILES) techniques along with the ‘laminar-chemistry’ ... See full document

... the simulation to correct for an error discovered in the experimental measurements of fuel flow rate (the same error which resulted in φ = ...the shock train from this point onward was tracked in terms of ... See full document

... the numerical simulation of supersonic combustion problem, which contains substantial intricacy interactions of shock/boundary and shock/flame, and crucial phenomena such as ... See full document

... three-dimensional scramjet engine combustor with coupled implicit NS equations, the standard k-ε turbulence model are used and the finite-rate/eddy-dissipation reaction model has to be applied to simulate ... See full document

... In the present paper, a supersonic wind-tunnel is designed to maintain a flow with Mach number of 3 in a 30cm×30cm test section. An in-house CFD code is developed using the Roe scheme to simulate flow-field and ... See full document

... of scramjet flows has been reported in the literature by Edwards et ...different scramjet configurations / operating ...for scramjet analy- ... See full document

... conditions combustion results in free subsonic regions with very high ...kerosene combustion in a supersonic model combustor using effervescent atomization”, and their findings are – The smaller kerosene ... See full document

... The cryogenic combustor with single element coaxial injector is used for study of the combustion characteristics. The modelling & meshing of the combustor along with coaxial injector is carried out using ANSYS ... See full document

... Biomass gasification is a potential way for the usage of biomass energy. Tar contained in the fuel gas is the main obstacle for the usage of biomass widely. There are quite a lot of methods to reduce tar content [1]. ... See full document

... width is from the different SGS models, and the Vreman SGS model is more close to the experiment in whole process. It shows that the Vreman SGS model is superior to the Smagorinsky’s model, and the next simulations are ... See full document

... and combustion is carried out under oxygen diluted condition achieved by internal/external flue gas recirculation in the combustion chamber at a temperature above the fuel auto-ignition ...This ... See full document

... the combustion is dominated by a di ff usion process between the injected fuel and vitiated air ...the combustion is dominated by convection instead of di ff ... See full document

... the shock characteristics of material under dynamic mixed-mode load- ...Generally, shock event is a stress wave with high amplitude and high frequency, which will induce large loads on components in its ... See full document

... the tunnel face) to the main control room in the cutter ...(left tunnel) at the same ...the tunnel and the area near chainage 9+751 received the maximum impact of this final rockburst as shown in ... See full document

... 3 NUMERICAL DIFFUSION IN RELAP5 CODE RELAP5 results were verified by sensitivity study on grid density and time ...the numerical diffu­ sion of the wave, which nonphysically increases the wave ...width. ... See full document