Numerical Prediction of Turbulent Flow in Radially Rotating Pipe with Inlet Elbow using k-.EPSILON. Models.

Abstract

A fully three-dimensional numerical procedure based on the incompressible, steady Navier-Stokes equations in a general curvilinear coordinate system is proposed for the prediction of developing turbulent flow in a curved and radially rotating pipe. A turbulence model with the modification for streamline carvature and Coriolis force is employed to model the turbulence. The governing equations are solved using a finite volume technique with a nonstaggered variable arrangement. The modified turbulence model yields better agreement between the predictions and experiment for the streamwise and secondary velocities.