modelPartialDistributedStaggeredFlow
Information
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Internal Interface | |||
| Integer | nFM | 1 | Number of discrete flow models |
| Internal Interface › Initialization | |||
| Dynamics | momentumDynamics | Dynamics.DynamicFreeInitial | Formulation of momentum balance |
| SI.PressureDifference | dps_start | Pressure changes {p[2]-p[1],...,p[n+1]-p[n]} | |
| SI.MassFlowRate | m_flows_start | Mass flow rates | |
| Internal Interface › Advanced | |||
| Boolean | allowFlowReversal | true | = true to allow flow reversal, false restricts to design direction (m_flows >= zeros(m)) |
| Advanced | |||
| SI.ReynoldsNumber | Re_lam | 2300 | Laminar transition Reynolds number |
| SI.ReynoldsNumber | Re_turb | 4000 | Turbulent transition Reynolds number |
| Boolean | from_dp | momentumDynamics >= Modelica.Fluid.Types.Dynamics.SteadyStateInitial | = true, use m_flow = f(dp), otherwise dp = f(m_flow) |
| SI.MassFlowRate | m_flow_small | 0.001 | Within regularization if |m_flows| < m_flow_small (may be wider for large discontinuities in static head) |
| SI.AbsolutePressure | dp_small | 1 | Within regularization if |dp| < dp_small (may be wider for large discontinuities in static head) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Acceleration | g_n | Modelica.Constants.g_n | Gravitational acceleration |
| Medium.ThermodynamicState[nFM + 1] | states | State at volumes | |
| SI.Velocity | vs | Mean velocities of fluid flow | |
| SI.Temperature | Ts_wall | Mean wall temperatures of heat transfer surface | |
| SI.Length[nFM + 1] | dimensions | Characteristic dimensions (e.g. hydraulic diameter) | |
| SI.Area[nFM + 1] | crossAreas | Cross sectional area | |
| SI.Length[nFM + 1] | perimeters | Wetted perimeter | |
| SI.Length[nFM] | dlengths | Length of flow model | |
| SI.Height | roughnesses | Average height of surface asperities | |
| SI.Length | dheights | Height(states[2:nFM+1]) - Height(states[1:nFM]) | |
| SI.MassFlowRate[nFM] | m_flows | Mass flow rate across interfaces | |
| SI.Momentum | Is | Momenta of flow segments | |
| SI.Force | Ibs | Flow of momentum across boundaries and source/sink in volumes | |
| SI.Temperature | Ts_fluid | Medium.temperature(states) | Fluid temperature |
| SI.ReynoldsNumber | Res | Reynolds number |
Contents
| Name | Description |
|---|---|