modelShah_Evaporation
Shah correlation for evaporation
Extends from BaseClasses.PartialTwoPhaseCorrelation (Base class for two phase heat transfer correlations).
Information
The model Shah_Evaporation extends the partial model PartialTwoPhaseCorrelation and calculates the heat transfer coefficient based on the Shah correlation for evaporation
- article(Shah1982)
- Shah, M.M.
- Chart Correlation For Saturated Boiling Heat Transfer: Equations And Further Study
- ASHRAE Transactions, 1982, Vol. 88, pp. 185-196
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.SIunits.Length | d_hyd | Hydraulic diameter (2*V/A_lateral) | |
| Modelica.SIunits.Area | A_cro | Modelica.Constants.pi*d_hyd^2/4 | Hydraulic diameter |
| Boolean | vertical | true | Vertical or horizontal flow |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Medium.ThermodynamicState | state (from PartialTwoPhaseCorrelation) | Thermodynamic state | |
| Modelica.SIunits.MassFlowRate | m_dot (from PartialTwoPhaseCorrelation) | Inlet massflow | |
| Modelica.SIunits.HeatFlux | q_dot (from PartialTwoPhaseCorrelation) | Heat flow rate per area [W/m2] | |
| Modelica.SIunits.CoefficientOfHeatTransfer | U (from PartialTwoPhaseCorrelation) | ||
| Medium.ThermodynamicState | bubbleState (from PartialTwoPhaseCorrelation) | ||
| Medium.ThermodynamicState | bubbleState_TP (from PartialTwoPhaseCorrelation) | Thermodynamic state | |
| Medium.ThermodynamicState | dewState (from PartialTwoPhaseCorrelation) | ||
| Medium.ThermodynamicState | dewState_TP (from PartialTwoPhaseCorrelation) | Thermodynamic state | |
| Medium.ThermodynamicState | filteredState (from PartialTwoPhaseCorrelation) | Thermodynamic state | |
| Modelica.SIunits.QualityFactor | x (from PartialTwoPhaseCorrelation) | Vapour quality | |
| Real | deltaX (from PartialTwoPhaseCorrelation) | 1e-5 | |
| Medium.SpecificEnthalpy | h_bub_TP (from PartialTwoPhaseCorrelation) | ||
| Medium.SpecificEnthalpy | h_dew_TP (from PartialTwoPhaseCorrelation) | ||
| Medium.SpecificEnthalpy | h_bub_L (from PartialTwoPhaseCorrelation) | ||
| Medium.SpecificEnthalpy | h_dew_V (from PartialTwoPhaseCorrelation) | Changed bubble and dew state enthalpies | |
| Medium.AbsolutePressure | p (from PartialTwoPhaseCorrelation) | ||
| LiquidCorrelation | liquidCorrelation | ||
| Real | G | Mass flux | |
| Modelica.SIunits.FroudeNumber | Fr_l | ||
| Modelica.SIunits.CoefficientOfHeatTransfer | htc_l | ||
| Modelica.SIunits.CoefficientOfHeatTransfer | htc_TP | ||
| Real | Bo | Boiling number | |
| Real | Co | ||
| Real | F_hi | ||
| Real | F_lo | ||
| Real | F_trans | ||
| Real | F | ||
| Real | N_hi | ||
| Real | N_lo | ||
| Real | N_trans | ||
| Real | N | ||
| Real | Fr_l_start | ||
| Real | Fr_l_stop | ||
| Real | psi_nb_hi | ||
| Real | psi_nb_lo | ||
| Real | psi_nb_trans | ||
| Real | psi_nb | ||
| Real | psi_cb | ||
| Real | psi_N10 | ||
| Real | psi_nbbs | ||
| Real | psi_N05 | ||
| Real | psi_bs | ||
| Real | psi_N01 | ||
| Real | psi_0105_trans | ||
| Real | psi_0105_hi | ||
| Real | psi_0105_lo | ||
| Real | psi_0105 | ||
| Real | psi_0510_trans | ||
| Real | psi_0510_hi | ||
| Real | psi_0510_lo | ||
| Real | psi_0510 | ||
| Real | psi_trans | ||
| Real | psi_hi | ||
| Real | psi_lo | ||
| Real | psi | ||
| Medium.Density | rho_l | ||
| Medium.Density | rho_v | ||
| Medium.SpecificEnthalpy | h_l | ||
| Medium.SpecificEnthalpy | h_v | ||
| Medium.SpecificEnthalpy | i_fg |
Contents
| Name | Description |
|---|---|
| LiquidCorrelation |