General $—$ Basic model for general hydraulic resistance

The General component calculates a generic pressure loss. The calculation depends on a pressure loss coefficient.

Connections

 Name Description Modelica ID ${\mathrm{port}}_{A}$ Layout of port where oil flows into an element ($0<{m}_{\mathrm{flow}}$, ${p}_{B}<{p}_{A}$ means $0<\mathrm{Δp}$) port_A ${\mathrm{port}}_{B}$ Hydraulic port where oil leaves the component (${m}_{\mathrm{flow}}<0$, ${p}_{B}<{p}_{A}$ means $0<\mathrm{Δp}$) port_B $\mathrm{oil}$ oil

Parameters

General Parameters

 Name Default Units Description Modelica ID ${\mathrm{ΔT}}_{\mathrm{system}}$ $0$ $K$ Temperature offset from system temperature dT_system

Hydraulic Resistance Parameters

 Name Default Units Description Modelica ID ${A}_{\mathrm{cross}}$ [1] ${m}^{2}$ Cross sectional area A_cross ${\mathrm{Δp}}_{\mathrm{smooth}}$ $1$ $\mathrm{Pa}$ Start linearisation for decreasing pressure loss dp_smooth ${\mathrm{\zeta }}_{\mathrm{tot}}$ $\frac{1}{5}$ $1$ Pressure loss coefficient zeta_TOT

[1] $\frac{1}{400}\mathrm{\pi }$