WOLFRAM SYSTEM MODELER

dp_twoPhaseMomentum_DP

Momentum pressure loss of straight pipe for two phase flow | calculate pressure loss

Wolfram Language

In[1]:=

SystemModel["Modelica.Fluid.Dissipation.Utilities.Functions.PressureLoss.TwoPhase.dp_twoPhaseMomentum_DP"]

Out[1]:=

DP_mom = dp_twoPhaseMomentum_DP(voidFractionApproach, massFlowRateCorrection, A_cross, perimeter, rho_g, rho_l, x_flow_end, x_flow_sta, m_flow)

voidFractionApproach	Default Value: Modelica.Fluid.Dissipation.Utilities.Types.VoidFractionApproach.Homogeneous Type: VoidFractionApproach Description: Choice of void fraction approach
massFlowRateCorrection	Default Value: false Type: Boolean Description: Consider heterogeneous mass flow rate correction
A_cross	Default Value: PI * 0.1 ^ 2 / 4 Type: Area (m²) Description: Cross sectional area
perimeter	Default Value: PI * 0.1 Type: Length (m) Description: Perimeter
rho_g	Type: Density (kg/m³) Description: Density of gas
rho_l	Type: Density (kg/m³) Description: Density of liquid
x_flow_end	Default Value: 0 Type: Real Description: Mass flow rate quality at end of length
x_flow_sta	Default Value: 0 Type: Real Description: Mass flow rate quality at start of length
m_flow	Type: MassFlowRate (kg/s) Description: Mass flow rate

DP_mom	Type: Pressure (Pa) Description: Momentum pressure loss

DP_mom

Type: Pressure (Pa)

Description: Momentum pressure loss

2012-11-28 Corrected an error in momentum pressure loss calculation. Stefan Wischhusen.