modelMetaStable_Q124

Metastable(d Delta_p/d V_flow) = 0 at V_flow = 0 | normal pumping, rev. turbining, dissipation mode

Extends from ClaRa.Components.TurboMachines.Fundamentals.PumpHydraulics.BaseHydraulics.

Information

For detailed model documentation please consult the html-documentation shipped with ClaRa.

 


Authorship and Copyright Statement for original (initial) Contribution

Author:

DYNCAP/DYNSTART development team, Copyright © 2011-2024.

References:

For references please consult the html-documentation shipped with ClaRa.

Remarks:

This component was developed by ClaRa development team under the 3-clause BSD License.

Acknowledgements:

ClaRa originated from the collaborative research projects DYNCAP and DYNSTART. Both research projects were supported by the German Federal Ministry for Economic Affairs and Energy (FKZ 03ET2009 and FKZ 03ET7060).

CLA:

The author(s) have agreed to ClaRa CLA, version 1.0. See https://claralib.com/pdf/CLA.pdf

By agreeing to ClaRa CLA, version 1.0 the author has granted the ClaRa development team a permanent right to use and modify his initial contribution as well as to publish it or its modified versions under the 3-clause BSD License.

The ClaRa development team consists of the following partners:

TLK-Thermo GmbH (Braunschweig, Germany)

XRG Simulation GmbH (Hamburg, Germany).

Parameters

TypeNameDefaultDescription
Characteristic Field
Realexp_hyd0.5Exponent for affinity law
Realdrp_exp0Droop of exp_hyd w.r.t. rpm
Expert Settings › Reverse Flow
RealK_rev0.75Correction term for reverse flow
Expert Settings › Numerical Robustness
Basics.Units.PressureDelta_p_eps100Small pressure difference for linearisation around zero mass flow

Components

TypeNameDefaultDescription
ClaRa.Basics.Units.VolumeFlowRateV_flow (from BaseHydraulics)Volume flow rate
ClaRa.Components.TurboMachines.Fundamentals.IComPump_L1iCom (from BaseHydraulics)
Basics.Units.PressureDelta_p_maxrpmMaximum pressure difference at current speed

Revisions

For revisions please consult the html-documentation shipped with ClaRa.