Numerical Simulation of a Pressure Regulated Valve to Find Out the Characteristics of Passive Control Circuit

The objective of the present paper is a numerical analysis of the flow forces acting on spool surfaces of a pressure regulated valve. The transient, compressible and turbulent flow structures inside the valve are simulated using ANSYS FLUENT coupled with a special UDF. Here, valve inlet pressure is varied in a stepwise manner. For every value of inlet pressure, transient analysis leads to a quasi-static flow through the valve. Spool forces are calculated based on different pressures at inlet. From this information of spool forces, pressure characteristic of the passive control circuit has been derived.

Authors:

• Binod Kumar Saha

Keywords:

• Pressure Regulating Valve
• Spool Opening
• Spool Movement
• Force Balance
• CFD.

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