Valve simulation valve design

Valves are a special group of fittings. Their aim is to regulate the fluid (gas, liquid) flows, by partially or completely blocking or modifying its path. If you are involved in valve design, you are most probably concerned by its aerodynamic or hydraulic performance. In several cases the way to optimize a valve is to run trial-and-error prototyping, but it is usually expensive and time-consuming. This is where valve simulation with CFD can replace traditional expensive tests.

Valve simulation outcomes for better valve design

So what can you expect if you outsource your valve design a simulation to consulting company?

  • Reduce pressure loss by identifying separations and blockages
  • Optimized geometry for fluid flow
  • Reduced noise
  • Low risk for cavitation and choked flow
  • Reduced weight
  • Deeper look into the operation of the valve
  • Testing extreme conditions (high pressure, high temperature)
Valve simulation pressure field valve design cavitation

Valve simulation with CFD – pressure field

There are many valve types that can be simulated:

  • Ball valve, for on/off control without pressure drop, and ideal for quick shut-off, since a 90° turn offers complete shut-off angle, compared to multiple turns required on most manual valves.
  • Butterfly valve, for flow regulation in large pipe diameters.
  • Ceramic Disc valve, used mainly in high duty cycle applications or on abrasive fluids.
  • Check valve or non-return valve, allows the fluid to pass in one direction only.
  • Choke valve, a valve that raises or lowers a solid cylinder which is placed around or inside another cylinder which has holes or slots. Used for high pressure drops found in oil and gas wellheads.
  • Diaphragm valve, which controls flow by a movement of a diaphragm. Upstream pressure, downstream pressure, or an external source (e.g., pneumatic, hydraulic, etc.) can be used to change the position of the diaphragm.
  • Gate valve, mainly for on/off control, with low pressure drop.
  • Globe valve, good for regulating flow.
  • Knife valve, similar to a gate valve, but usually more compact. Often used for slurries or powders on/off control.
  • Needle valve for accurate flow control.
  • Pinch valve, for slurry flow regulation and control.
  • Piston valve, for regulating fluids that carry solids in suspension.
  • Plug valve, slim valve for on/off control but with some pressure drop.
  • Poppet valve, commonly used in piston engines to regulate the fuel mixture intake and exhaust
  • Spool valve, for hydraulic control
  • Thermal expansion valve, used in refrigeration and air conditioning systems.
  • Pressure Reducing Valve
  • Sampling valves
  • Safety valve

 

Contact me today to learn more about valve simulation outsourcing!