modelMixerKamei
From Furukawa et alt., International Journal of Chemical Engineering volume 2012, based on Kamei et al.(1995/6/7) model for many different impeller types
Extends from MixerBase.
Information
From Furukawa et alt., International Journal of Chemical Engineering volume 2012, based on Kamei et al.(1995/6/7) model for many different impeller types
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Diameter | d (from MixerBase) | 0 | impeller diameter |
| Integer | nImpellers (from MixerBase) | 0 | |
| Modelica.Units.SI.Distance | interImpellerDistance (from MixerBase) | 1.0 | |
| Modelica.Units.SI.Power | motorPower (from MixerBase) | 0 | |
| Boolean | useFixedSpeed (from MixerBase) | true | |
| Modelica.Units.NonSI.AngularVelocity_rpm | n (from MixerBase) | shaft rotational speed rpm | |
| Boolean | doShaftCalc (from MixerBase) | false | perform or not shaft diameter calculation |
| Boolean | footBearing (from MixerBase) | false | bottom bearing for the shaft |
| Real | impellerHydraulicF (from MixerBase) | 4 | 1.5 normal, 2.5 boiling, 3 gas sparge, 4 large solid volume, 6 startup with settled solids |
| Modelica.Units.SI.ShearStress | shaftDTS (from MixerBase) | 68.9e6 | shaft design tensile stress. AISI316L=60e6. AISI316=68.9e6 |
| Modelica.Units.SI.ShearStress | shaftDSS (from MixerBase) | 41.4e6 | shaft design shear stress. AISI316L=35.9e6. AISI316=41.4e6 |
| Integer | nBlades | 0 | number of blades. Not necessary for mig or intermig(2) |
| SI.Distance | width | average real width of the blades,not projected to the axis. Not necessary for mig or intermig | |
| SI.Height | hBottom | 0 | Distance from lower impeller to vessel bottom |
| SI.Angle | angle | average blade angle over horizontal. Not necessary for mig or intermig | |
| String | reference | "hydrofoil" | alternatives are: hydrofoil, propeller, axialTurbine,radialTurbine,intermig,mig |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Distance | Htop (from MixerBase) | distance from top bearing to lower impeller | |
| Modelica.Units.SI.Frequency | N (from MixerBase) | rotational speed 1/sec | |
| Modelica.Units.SI.ReynoldsNumber | Re (from MixerBase) | ||
| Real | Np (from MixerBase) | Power number | |
| Modelica.Units.SI.Power | W (from MixerBase) | nett absorbed power | |
| Modelica.Units.SI.Power | WimpellerCorr (from MixerBase) | corrected impeller power | |
| Modelica.Units.SI.Force | Fimpeller (from MixerBase) | bending force at impeller | |
| Modelica.Units.SI.Torque | Torque (from MixerBase) | shaftTorque | |
| Modelica.Units.SI.Velocity | V (from MixerBase) | peripheral speed | |
| Modelica.Units.SI.Force | ForceOnBottomBearing (from MixerBase) | ||
| Modelica.Units.SI.Torque | BendingMomentMax (from MixerBase) | maximum bending moment | |
| Modelica.Units.SI.Diameter | DiamShaftShear (from MixerBase) | minimum shaft diameter due to shear | |
| Modelica.Units.SI.Diameter | DiamShaftTension (from MixerBase) | minimum shaft diameter due to tension | |
| Modelica.Units.SI.Diameter | DiamShaftMinimum (from MixerBase) | minimum shaft diameter | |
| Real | NpMax | Power number in fully baffled condition | |
| Real | eta | ||
| Real | beta | ||
| Real | gamma | ||
| Real | X | ||
| Real | Ct | ||
| Real | fInf | ||
| Real | Ctr | ||
| Real | m | ||
| Real | Cl | ||
| Real | ReG | ||
| Real | f | ||
| Real | Np0 | ||
| Real | NpB | ||
| SI.VolumeFlowRate | Q | flow induced by the impellers | |
| SI.Velocity | Vc | characteristic velocity of the flow produced by the impellers | |
| Real | ScaleOfAgitation | 2 for 0.1 sg difference suspension, 10 for 1.0 difference | |
| Real | Nq | flow number |