dsmcFoam validation for hypersonic reacting flows
Chemically reacting hypersonic flows over 3D cavities : flowfield structure characterisation
... School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK Abstract In this paper, a computational investigation of hypersonic rarefied gas flows in the transitional flow regime over 3D cavities is ...
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Development of a two-temperature open source CFD model for hypersonic reacting flows
... compressible flows, 17 making use of central-upwind interpolation schemes of Kurganov and ...continuum hypersonic simulations over a hollow ...fractions. Validation of the new code implementation has ...
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A two-temperature open-source CFD model for hypersonic reacting flows, part two : multi-dimensional analysis
... The newly-coded open-source two-temperature CFD solver hy2Foam has been extended to simulate hypersonic multi-dimensional case scenarios. hy2Foam has shown to perform as well as a Navier–Stokes CFD solver from the ...
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A two-temperature open-source CFD model for hypersonic reacting flows, part one : zero-dimensional analysis
... compute hypersonic reacting flows in near-equilibrium ...a reacting mixture initially set in a state of thermal ...code dsmcFoam has highlighted again the discrepancies within CFD for ...
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A two-temperature open-source CFD model for hypersonic reacting flows, part two : multi-dimensional analysis
... The newly-coded open-source two-temperature CFD solver hy2Foam has been extended to simulate hypersonic multi-dimensional case scenarios. hy2Foam has shown to perform as well as a Navier–Stokes CFD solver from the ...
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Reynolds stress model for hypersonic flows
... wall-bounded flows characterized by high Reynolds number and high Mach number, of interest for a Scramjet, the anisotropy of turbulence in the near wall region needs to be properly described by the turbulence ...
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Validation study of large-eddy simulations of wake stabilized reacting flows using artificial flame thickening approaches
... Wake flows are the preferred mode of flame stabilization in lean premixed combustion in gas turbine engines, low NOx burners, afterburners ...These flows exhibit inherent unsteadiness and for their ...
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Molecular-Based Optical Diagnostics for Hypersonic Nonequilibrium Flows
... supersonic underexpanded jets, 158,159,164-166 shock tunnel, 167,168 and non-reacting supersonic flow with a rearward-facing step. 169-171 Such measurements require that the flowfield be relatively steady since ...
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LES of High-Re Reacting flows: Active Scalar Conservation and Boundedness
... to reacting flow simulations at high Reynolds ...non-premixed reacting flows with realistic inflow conditions and heat ...These flows find their application in Scramjet en- gines, used for ...
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Aerothermodynamic comparison of two- and three-dimensional rarefied hypersonic cavity flows
... rarefied hypersonic flows is the direct simulation Monte Carlo (DSMC) method, pioneered by ...the dsmcFoam code include particle initialization in arbitrary geometries, particle tracking in ...
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Modeling of non-equilibrium effects on a double wedge configuration in hypersonic flows
... [4] E. P. Bartlett, R. M. Kendall, and R. A. Rindal. An analysis of the coupled chemically reacting boundary layer and charring ablator. Part 4 – A unified approximation for mixture transport properties for ...
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Validation of CFD Simulations for Hypersonic Flow Over a Yawed Cone
... The high quality, structured conical mesh was needed to allow adequate resolution of both the shock layer and the boundary layer while reducing the computing time. Most of the simulation results agreed with Tracy’s wind ...
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Computational Hypersonic Boundary-Layer Stability and the Validation and Verification of EPIC
... Many of the first analysis techniques for boundary-layer stability used empirical data or formulated metrics in order to predict the behavior of various flows. The downfall of these methods is that they do not ...
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Accelerating the Simulation of Chemically Reacting Turbulent Flows via Machine Learning Techniques.
... 183 Subsequently, the ANN is coupled with the TFM combustion model to replace the multi- dimensional manifold and multi-dimensional interpolation. The a posteriori validation shows that use of ANNs is able to ...
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Open source Direct Simulation Monte Carlo (DSMC) chemistry modelling for hypersonic flows
... These conditions correspond to the Earth's atmosphere at 86 km altitude and a Mach number of 24.85. The cylinder walls are fully diffuse, and two cases are considered; one with no reactions, and one with all 19 chemical ...
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Modeling and Simulation of Turbulent Non-Reacting and Reacting Spray Flows
... spray flows SP1, SP2 and SP5 with different car- rier air flow rates are simulated, showing a discrepancy of the axial mean velocity at upstream locations, whereas good agreement with experimental data is obtained ...
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Predictive Tools for Turbulent Reacting Flows
... 6 Computational Fluid Dynamics (CFD) Analytical solutions of Navier-Stokes equations exist only for very sim- ple idealised flow situations. As discussed in chapter 5, DNS is only appli- cable to low-Reynolds number ...
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Simulation tools for 3D reacting flows
... Guezennec and Poinsot. Acoustically Nonreflecting and Reflecting Boundary Conditions for Vorticity Injection in Compressible Solvers. AIAA J. 47, 7, 2009. Yoo, C., and Im, H., “Characteristic Boundary Conditions for ...
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Hypersonic Chemically Reacting Boundary-Layer Stability using LASTRAC
... a Hypersonic Swept Wing This section discusses a stationary crossflow instability on a swept wing in hypersonic flow, comparing the results between a calorically perfect gas and finite-rate ...
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An Application of Image Analysis to Hypersonic Flows
... Hypersonic jet flow is one of these topics; it has been a widely studied subject over the past half century owing to its importance both in basic fluid dynamics and in applications for aeronautical and mechanical ...
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