Paper Title
CFD Study of Structurally Induced Turbulence for Compressible Fluid in Rotary Domain

Abstract
Structurally induced turbulence in a fast- rotating gas was investigated by a CFD method. Turbulence induced in the flow field due to the interaction of fast rotating gas with collection structures was modeled with Reynold stress model (RSM). Finite volume method (FVM) with second order upwind scheme was used to solve the 3D Navier- Strokes equation. Knudsen boundary was used to limit the computational domain in Iguassu Model. Simulation results showed the generation of three-dimensional shock waves propagating in axial direction along cylinder length. Wave intensity was increased, as the diameter of collection structure was increased. A radially inward flow was induced due to imbalance in pressure gradient and centrifugal force caused by the interaction of gas with collection structure. This inward flow significantly increased the counter current in axial direction. Keywords - Knudsen Boundary, Numerical Methods, Rotating Gas, Shock Wave