Non-interactive Media

Supercomputer Simulation of Turbulent Hydrogen-Oxygen Mixing at High Pressure

Justin Foster and Dr. Richard Miller

Supercomputing simulations of fluid flows act as a "virtual wind tunnel" for exploring the behavior of turbulent mixing.

Supercomputer Simulation of Turbulent Hydrogen-Oxygen Mixing at High Pressure by Justin Foster and Dr. Richard Miller The direct numerical simulation above is for a non-reacting, temporally developing, hydrogen-oxygen shear layer at a pressure of 100 atm and a Reynolds number of 2,000. The fully compressible form of the Navier Stokes equations are solved with a real gas state equation, generalized diffusion, and real fluid properties. A fourth order Runge Kutta time advancement algorithm is used in conjunction with eighth order accurate central finite differencing. The simulation was run on 512 processing cores on Clemson's Palmetto cluster using 384 x 384 x 232 grid points. The video shows the hydrogen mass fraction as a function of time along the centerline plane.
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