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Moving mesh - compression stroke ICE

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Old   April 12, 2007, 10:57
Default Moving mesh - compression stroke ICE
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muhsin hanis
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Now i tried to simulate in 2-stroke engine flow using dynamic meshes. But during the compression stroke (piston goes up) the pressure in the combustion chamber (CC) increase hughly up to 8000 bar but the temperature in the not goes up. Same as when power stroke ( piston goes down) the pressure loweres untill the pressure in the CC goes to negative value. this is my setting

Model " 3D, single precision, Unsteady, 1st order implicit Viscosity " Standard k-epsilon Turbulence model Combustion " Partially premix combustion model

Any suggesstion? what i'm doing wrong. Thanks in advance
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