modelNus

Specify Nusselt Number (Nu)

Extends from PartialSinglePhase.

Parameters

TypeNameDefaultDescription
Internal Interface
RealnParallel (from PartialHeatTransfer_setT)1Number of parallel components
IntegernHT (from PartialHeatTransfer_setT)1Number of heat transfer segments
IntegerflagIdeal (from PartialHeatTransfer_setT)0Flag for models to handle ideal boundary
Internal Interface › Initialization
SI.Temperature[nHT]Ts_start (from PartialHeatTransfer_setT)
Advanced
SI.ReynoldsNumberRe_lam (from PartialHeatTransfer_setT)2300Laminar transition Reynolds number
SI.ReynoldsNumberRe_turb (from PartialHeatTransfer_setT)4000Turbulent transition Reynolds number
Units.NonDim[nHT]CF (from PartialHeatTransfer_setT)fill(1.0, nHT)Correction Factor: Q = CF*alpha*A*dT
Inputs
Booleanuse_DefaultDimensiontrue= false to set characteristic dimension else from geometry model
Booleanuse_LambdaStatetrue= false to set thermal conductivity else from film state
SI.ThermalConductivitylambda00Thermal conductivity

Connectors

TypeNameDefaultDescription
HeatAndMassTransfer.Interfaces.HeatPort_Flow[nHT]heatPorts (from PartialHeatTransfer_setT)

Components

TypeNameDefaultDescription
Medium.ThermodynamicState[nHT]states (from PartialHeatTransfer_setT)Thermodynamic state of fluid
SI.Velocity[nHT]vs (from PartialHeatTransfer_setT)Fluid Velocity
SI.Diameter[nHT]dimensions (from PartialHeatTransfer_setT)Characteristic dimension (e.g. hydraulic diameter)
SI.Area[nHT]crossAreas (from PartialHeatTransfer_setT)Cross sectional flow area
SI.Length[nHT]dlengths (from PartialHeatTransfer_setT)Characteristic length of heat transfer segment
SI.Height[nHT]roughnesses (from PartialHeatTransfer_setT)Average height of surface asperities
SI.Area[nHT]surfaceAreas (from PartialHeatTransfer_setT)Surface area for heat transfer
SI.Temperature[nHT]Ts_fluid (from PartialHeatTransfer_setT)Medium.temperature(states)Fluid temperature
SI.Temperature[nHT]Ts_wall (from PartialHeatTransfer_setT)heatPorts.TWall temperature
SI.MassFlowRate[nHT]m_flows (from PartialHeatTransfer_setT)Fluid mass flow rate
SI.ReynoldsNumber[nHT]Res (from PartialHeatTransfer_setT)Reynolds number
SI.PrandtlNumber[nHT]Prs (from PartialHeatTransfer_setT)Prandtl number
SI.CoefficientOfHeatTransfer[nHT]alphas (from PartialHeatTransfer_setT)Coefficient of heat transfer
SI.NusseltNumber[nHT]Nus (from PartialHeatTransfer_setT)Nusselt number
SI.HeatFlowRate[nHT]Q_flows (from PartialHeatTransfer_setT)heatPorts.Q_flow/nParallelHeat flow rate
TRANSFORM.Media.BaseProperties1PhasemediaProps (from PartialSinglePhase)Bulk fluid properties
SI.NusseltNumberNu07.54Nusselt number
SI.NusseltNumber[nHT]Nus0fill(Nu0, nHT)if non-uniform then set
SI.Lengthdimension00Characteristic dimension
SI.Length[nHT]dimensions0fill(dimension0, nHT)if non-uniform then set
SI.ThermalConductivity[nHT]lambdas0fill(lambda0, nHT)if non-uniform then set
SI.LengthL_charCharacteristic length
SI.ThermalConductivitylambdasThermal conductivity