modelMixerAnchor

Anchor mixer

Extends from MixerBase.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.Diameterd (from MixerBase)0impeller diameter
IntegernImpellers (from MixerBase)0
Modelica.Units.SI.DistanceinterImpellerDistance (from MixerBase)1.0
Modelica.Units.SI.PowermotorPower (from MixerBase)0
BooleanuseFixedSpeed (from MixerBase)true
Modelica.Units.NonSI.AngularVelocity_rpmn (from MixerBase)shaft rotational speed rpm
BooleandoShaftCalc (from MixerBase)falseperform or not shaft diameter calculation
BooleanfootBearing (from MixerBase)falsebottom bearing for the shaft
RealimpellerHydraulicF (from MixerBase)41.5 normal, 2.5 boiling, 3 gas sparge, 4 large solid volume, 6 startup with settled solids
Modelica.Units.SI.ShearStressshaftDTS (from MixerBase)68.9e6shaft design tensile stress. AISI316L=60e6. AISI316=68.9e6
Modelica.Units.SI.ShearStressshaftDSS (from MixerBase)41.4e6shaft design shear stress. AISI316L=35.9e6. AISI316=41.4e6
IntegernBlades2number of blades
SI.Distancewidthimpeler frontal width(depending on impeller angle), not real
SI.HeighthTotalimpeller height

Components

TypeNameDefaultDescription
Modelica.Units.SI.DistanceHtop (from MixerBase)distance from top bearing to lower impeller
Modelica.Units.SI.FrequencyN (from MixerBase)rotational speed 1/sec
Modelica.Units.SI.ReynoldsNumberRe (from MixerBase)
RealNp (from MixerBase)Power number
Modelica.Units.SI.PowerW (from MixerBase)nett absorbed power
Modelica.Units.SI.PowerWimpellerCorr (from MixerBase)corrected impeller power
Modelica.Units.SI.ForceFimpeller (from MixerBase)bending force at impeller
Modelica.Units.SI.TorqueTorque (from MixerBase)shaftTorque
Modelica.Units.SI.VelocityV (from MixerBase)peripheral speed
Modelica.Units.SI.ForceForceOnBottomBearing (from MixerBase)
Modelica.Units.SI.TorqueBendingMomentMax (from MixerBase)maximum bending moment
Modelica.Units.SI.DiameterDiamShaftShear (from MixerBase)minimum shaft diameter due to shear
Modelica.Units.SI.DiameterDiamShaftTension (from MixerBase)minimum shaft diameter due to tension
Modelica.Units.SI.DiameterDiamShaftMinimum (from MixerBase)minimum shaft diameter
SI.HeightHwettedwetted height of the anchor
RealZcorrection factor for Np for Young-Sei Lee correlation: Journal of Korean Institute of Chemical Engineering Vol.39 n.5 October 2001