modelNozzleBase01
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Assumptions | |||
| Boolean | allowFlowReversal | false | = true to allow flow reversal, false restricts to design direction (port_a -> port_b) |
| switch | |||
| switchDefineFg | switch_defineFg | switchDefineFg.FullyExpandedFlow | definition of Fg. influence on Cv definition |
| debug setting | |||
| Boolean | printCmd | false | |
| Initialization › fluid_1 | |||
| Modelica.SIunits.MassFlowRate | m_flow1_init | 1.0 | |
| Modelica.SIunits.Pressure | p1_init | PR_init*p2_init | |
| Modelica.SIunits.Temperature | T1_init | 500 | |
| Modelica.SIunits.SpecificEnthalpy | h1_init | T1_init*1.004*1000 | |
| Initialization › fluid_2 | |||
| Modelica.SIunits.MassFlowRate | m_flow2_init | -1.0*m_flow1_init | |
| Modelica.SIunits.Pressure | p2_init | 101.3*1000 | |
| Modelica.SIunits.Temperature | T2_init | 300 | |
| Modelica.SIunits.SpecificEnthalpy | h2_init | T2_init*1.004*1000 | |
| Initialization › others | |||
| Real | PR_init | 2.5 | |
| Real | Cv_init | 0.99 | |
| Real | CdTh_init | 0.99 | |
| Real | MNth_init | 1.0 | |
| Modelica.SIunits.Velocity | V_2is_init | 480.0 | |
| Modelica.SIunits.Velocity | V_2_init | Cv_init*V_2is_init | |
| Modelica.SIunits.Velocity | V_th_choked_init | 410.0 | |
| Modelica.SIunits.Velocity | V_th_fullExp_init | V_2_init | |
| Modelica.SIunits.Velocity | V_th_init | V_th_choked_init | |
| Modelica.SIunits.SpecificEnthalpy | h_2is_init | h1_init - 1.0/2.0*V_2is_init^2.0 | |
| Modelica.SIunits.Force | Fg_init | m_flow1_init*V_2_init | |
| Modelica.SIunits.Area | AeTh_init | 0.0014*m_flow1_init | |
| Modelica.SIunits.Area | AmechTh_init | AeTh_init/CdTh_init | |
| Modelica.SIunits.SpecificEntropy | s_fluid_1_init | 7100.0 | |
| Modelica.SIunits.SpecificEntropy | s_fluid_2_init | 7200.0 | |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Fluid.Interfaces.FluidPort_a | port_1 | ||
| Modelica.Fluid.Interfaces.FluidPort_b | port_2 | ||
| Modelica.Blocks.Interfaces.RealOutput | y_Fg | [N], gross thrust by nozzle | |
| PropulsionSystem.Types.ElementBus | elementBus1 |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.SIunits.SpecificEntropy | s_fluid_1 | specific entropy, fluid_1 | |
| Modelica.SIunits.SpecificEntropy | s_fluid_2 | specific entropy, fluid_2 | |
| Modelica.SIunits.SpecificEntropy | s_fluid_th | specific entropy, fluid_th | |
| Modelica.SIunits.SpecificEntropy | s_fluid_2Tot | specific entropy, fluid_2Tot | |
| Modelica.SIunits.MassFlowRate | m_flow_max | ||
| Modelica.SIunits.MassFlowRate | m_flow_min | ||
| Modelica.SIunits.Velocity | V_2 | ||
| Modelica.SIunits.Velocity | V_2is | ||
| Real | PR | ||
| Real | CdTh | ||
| Real | Cv | ||
| Modelica.SIunits.SpecificEnthalpy | h_2is | ||
| Modelica.SIunits.Force | Fg | ||
| Modelica.SIunits.MassFlowRate | m_flow_th | ||
| Modelica.SIunits.Area | AmechTh | ||
| Modelica.SIunits.Area | AeTh | ||
| Modelica.SIunits.Velocity | V_th | ||
| Real | MNth | ||
| Modelica.SIunits.Velocity | V_th_fullExp | ||
| Modelica.SIunits.Velocity | V_th_choked | ||
| PropulsionSystem.EngineSimEnvironment | environment | System wide properties | |
| Medium.BaseProperties | fluid_1 | flow station of inlet | |
| Medium.BaseProperties | fluid_2 | flow station of outlet (ambient) | |
| Medium.BaseProperties | fluid_2Tot | flow station of outlet, total | |
| Medium.BaseProperties | fluidStat_th | static flow station of throat | |
| Medium.BaseProperties | fluid_th | flow station of throat | |
| Medium.BaseProperties | fluidStat_th_fullExp | ||
| Medium.BaseProperties | fluidStat_th_choked |
Contents
| Name | Description |
|---|---|
| switchDefineFg | |
 Medium |