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supersonic flows

CFD modeling of condensation process of water vapor in supersonic flows

CFD modeling of condensation process of water vapor in supersonic flows

... The condensation phenomenon of water vapor in supersonic flows is still not understood very well as a result of the complex phase change process. Especially, the numerical simulation depends on various ...

21

Numerical modeling and simulation of supersonic flows in propulsion systems by open-source solvers

Numerical modeling and simulation of supersonic flows in propulsion systems by open-source solvers

... Two open-source CFD codes Eilmer and hyFoam are considered to simulate the physics of supersonic flows for propulsion applications in a steady state. The assessment is performed with two scramjet type test ...

17

Mixing, Chemical Reactions, and Combustion in Supersonic
Flows

Mixing, Chemical Reactions, and Combustion in Supersonic Flows

... Simulating supersonic combustion has its own ...of supersonic combustors through direct numerical simulation (DNS) is not currently feasible, nor anticipated in the foreseeable ...

156

Coupling of Vortex Flows with Control Jets for Enhanced Mixing and Flame Holding in Supersonic Flows

Coupling of Vortex Flows with Control Jets for Enhanced Mixing and Flame Holding in Supersonic Flows

... Based on contemporary literature, as noted in the cited literature, there are continuing efforts and needs to facilitate efficient fuel injection mixing in supersonic flows to be able to accomplish short ...

145

Simulation of Two-Dimensional Supersonic Flows on Emulated-Digital CNN-UM

Simulation of Two-Dimensional Supersonic Flows on Emulated-Digital CNN-UM

... A wide range of industrial processes and scientific phenom- ena involve gas or fluids flows over complex obstacles, for example, air flow around vehicles and buildings and the flow of water in the oceans or liquid ...

11

Computational Fluid Dynamic Analysis of Notched Canard Arrangement in Cruise Missiles at Supersonic Flows.

Computational Fluid Dynamic Analysis of Notched Canard Arrangement in Cruise Missiles at Supersonic Flows.

... In supersonic flow stream shock moves mostly in downstream angle. Canards offer rotational stability to the model. But, canards are region where gravitational sensors are placed. Therefore, the, the canard region ...

9

Full Navier-Stokes Computations of Supersonic Flows over a Body at High Angles of Attack and Investigation of Crossflow Separation

Full Navier-Stokes Computations of Supersonic Flows over a Body at High Angles of Attack and Investigation of Crossflow Separation

... Only Siclari et al. [14] used the Runge-Kutta time stepping technique to simulate supersonic ows over a body with a conical shape at high angles of attack. However, they used a 2-D conical coordinate system to ...

12

The influence of nozzle geometry on corner flows in supersonic wind tunnels

The influence of nozzle geometry on corner flows in supersonic wind tunnels

... In supersonic flows, the separation in streamwise corners is a significant and widely encoun- tered problem which can not be reliably predicted with the numerical methods commonly used in ...of ...

20

Calculation of transonic flows around profiles with blunt and angled leading edges

Calculation of transonic flows around profiles with blunt and angled leading edges

... edge. Supersonic flows can produce oblique shock waves attached the angled leading edge in conditions of the free Mach number being high enough and the pointed angle being small ...are supersonic ...

13

How To Test A Scramjet

How To Test A Scramjet

... Experimental supersonic combustion research related to hypersonic airbreathing propulsion has been actively underway at NASA Langley Research Center (LaRC) since the ...in supersonic flows and ...

24

Planform Dependency on Airfoil Design Results for Supersonic Wing in Supersonic and Transonic

Planform Dependency on Airfoil Design Results for Supersonic Wing in Supersonic and Transonic

... This result suggests that SST designers can choose a high swept-back planform or a low swept-back planform for the mission and the flight profile of the designed SST. However, researchers have mainly focused on high ...

11

Development and Application of Compressible Vorticity Confinement

Development and Application of Compressible Vorticity Confinement

... Many ows of interest are characterized by large regions of concentrated vortical structures that per- sist and can convect over long distances. Flows of this nature include those associated with aircraft, in ...

12

Evaluation of Full Reynolds Stress Turbulence Models in FUN3D

Evaluation of Full Reynolds Stress Turbulence Models in FUN3D

... • The supersonic axisymmetric compression corner – the SA model was best for computing the pressure rise and the separation location and length. The Wilcox RSM gave results similar to SST-V, and the SSG/LRR RSM ...

44

Experimental and Numerical Study of Surface Flow Pattern on Delta Wing

Experimental and Numerical Study of Surface Flow Pattern on Delta Wing

... Vortex breakdown over delta wing is highly unsteady event and produces abrupt changes on the flow variables causing severe structural aero elastic vibrations. The breakdown process is followed by a sudden deceleration of ...

8

Large Eddy Simulation of Pseudo Shock Waves Using Wall Model

Large Eddy Simulation of Pseudo Shock Waves Using Wall Model

... gated extensively in various institutions. However, according to the recent research reviews [1] [2], there yet remain a lot of technical issues that must be resolved before putting them into practical use. One of such ...

14

Transonic flow in a channel with a central 
		body

Transonic flow in a channel with a central body

... supersonic regions, 3- asymmetrical pattern. The relationship between the lift on a central body and its drag, expressed in terms of the dependence of the lift coefficient on the drag coefficient, is displayed in ...

6

Supersonic Constricted Plasma Flows

Supersonic Constricted Plasma Flows

... compressible flows in CFD-ACE+ requires the Flow and Heat Transfer mod- ...fluid flows, the Chemistry module can be used to specify species mass flow rates and propellant mixture composition at the inlet ...

218

Supersonic plasma turbulence in the laboratory

Supersonic plasma turbulence in the laboratory

... We provide a detailed characterization of the bulk properties of compressible turbulence in a super-Alfvénic plasma based on laboratory experiments performed with high-power lasers. We launch two counter-propagating ...

6

Experimental and numerical investigation of an air to air supersonic ejector for propulsion of a small supersonic wind tunnel

Experimental and numerical investigation of an air to air supersonic ejector for propulsion of a small supersonic wind tunnel

... condition of the secondary air inlet was set. The intention was a presumption of a normal shock wave in the test section of the supersonic wind tunnel. Comparison of the numerical simulation and the experimental ...

5

SUPERSONIC RETROPROPULSION FLIGHT TEST CONCEPTS

SUPERSONIC RETROPROPULSION FLIGHT TEST CONCEPTS

... include supersonic initiation characteristics, aerodynamic and aerothermodynamic performance from initiation through nominal operation, and flight dynamics data that can be scaled and applied to a full-scale ...

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