The Simcenter STAR-CCM+ Fluid Simulation

Prepare the Simcenter STAR-CCM+ simulation that models the fluid flow in the spindle ball valve.

A pressure relief valve is designed to control the pressure in a system by relieving the pressurised fluid when the pressure exceeds preset limits. When the system pressure exceeds the design pressure limit, the valve is forced open and part of the fluid flows out of the system through an auxiliary outlet, lowering the system pressure.

In this simulation, Simcenter STAR-CCM+ solves for the traction loads (pressure + shear wall stress) exerted by the fluid on the solid ball valve.

The turbulent multiphase flow of water and gas enters the valve inlet at a constant velocity of 0.2 m/s in the valve axial direction z.

The physics models and conditions for the fluid simulation are provided in the initial simulation file.