Iconic Diagrams\Hydraulics\Valves
Domains: Continuous. Size: 1-D. Kind: Iconic Diagrams (Hydraulics).
This model describes a pressure relief valve with parasitic volumes. The resistance depends on the pressure difference:
dp = pa.p - pb.p
dp < pclosed => valve closed, only leakage: pa.phi = pb.phi = dp * GLeak
pclosed < dp < popen => working range, i. e. valve partially opened
popen < dp => valve wide open: pa.phi = pb.phi = dp * GOpen
Ports |
Description |
pa, pb |
Both terminals of the hydraulic component. |
Causality |
|
preferred pressure out pa preferred pressure out pb |
|
Parameters |
|
PressureReliefValve\pclosed PressureReliefValve\popen PressureReliefValve\GLeak PressureReliefValve\GOpen Va1\V Va\B Va\p_initial Vb\V Vb\B Vb\p_initial |
Valve is closed under this pressure [Pa]. Valve is fully open above this pressure [Pa]. Conductance of closed valve [m3/s.Pa]. Conductance of open valve [m3/s.Pa]. Volume of oil under pressure [m3] (hidden) Effective bulk modulus [Pa] (hidden) The starting pressure of the volume [Pa] (hidden) Volume of oil under pressure [m3] (hidden) Effective bulk modulus [Pa] (hidden) The starting pressure of the volume [Pa] (hidden) |