Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer

Information

Package Content

Name	Description
EvenGap	Input for even gap
General	Input for generic correlation
HelicalPipe	Input for helical pipe
Plate	Input for plate
StraightPipe	Input for straight pipe
TwoPhaseFlowHT_IN_con	Base record for two phase heat transfer coefficient
TwoPhaseFlowHT_IN_var	Base record for two phase heat transfer coefficient

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.EvenGap

Information

Parameters

Name	Description
Even gap
target	Target variable of calculation
h	Height of cross sectional area [m]
s	Distance between parallel plates in cross sectional area [m]
L	Overflowed length of gap [m]

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.General

Information

Parameters

Name	Description
Generic variables
target	Target correlation
A_cross	Cross sectional area [m2]
perimeter	Wetted perimeter [m]

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.HelicalPipe

Information

Parameters

Name	Description
HelicalPipe
n_nt	Total number of turns
d_hyd	Hydraulic diameter [m]
h	Distance between turns [m]
L	Total length of helical pipe [m]

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.Plate

Information

Parameters

Name	Description
Plate
L	Length of plate [m]

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.StraightPipe

Information

Parameters

Name	Description
Straight pipe
d_hyd	Hydraulic diameter [m]
L	Length [m]

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.TwoPhaseFlowHT_IN_con

Information

Parameters

Name	Description
Choices
target	Choice of (horizontal/vertical) boiling or (horizontal) condensation in pipe
Geometry
A_cross	Cross sectional area [m2]
perimeter	Wetted perimeter [m]
Fluid properties
MM	Molar mass of fluid [g/mol]
p_crit	Critical pressure of fluid [Pa]

Modelica.Fluid.Dissipation.Utilities.Records.HeatTransfer.TwoPhaseFlowHT_IN_var

Information

Parameters

Name	Description
Choices
target	Choice of (horizontal/vertical) boiling or (horizontal) condensation in pipe
Fluid properties
cp_l	Specific heat capacity of liquid [J/(kg.K)]
lambda_l	Thermal conductivity of liquid [W/(m.K)]
rho_g	Density of gas [kg/m3]
rho_l	Density of liquid [kg/m3]
eta_g	Dynamic viscosity of gas [Pa.s]
eta_l	Dynamic viscosity of liquid [Pa.s]
pressure	Mean pressure of fluid [Pa]
dh_lg	Evaporation enthalpy of fluid [J/kg]
Input
m_flow	Mass flow rate [kg/s]
qdot_A	Heat flux at boiling [W/m2]
x_flow	Mass flow rate quality