Titre :

Simulation of a radial pump fast startup and analysis of the loop response using a transient 1D mean stream line based model

Auteur(s) :

Matteo, Laura [Auteur]
Service de Thermo-hydraulique et de Mécanique des Fluides [STMF]
Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet [LMFL]
Mauger, Gédéon [Auteur]
Service de Thermo-hydraulique et de Mécanique des Fluides [STMF]
Dazin, Antoine [Auteur]
Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet [LMFL]
Tauveron, Nicolas [Auteur]
Département Thermique Conversion et Hydrogène (ex-DTBH Département des Technologies Biomasse et Hydrogène) [DTCH]

Titre de la revue :

International Journal of Turbomachinery, Propulsion and Power

Pagination :

38

Éditeur :

MDPI

Date de publication :

2019-11-26

ISSN :

2504-186X

Mot(s)-clé(s) en anglais :

CATHARE-3
Validation
Rotodynamic
Pump
Model
Transient
Simulation
Startup

Discipline(s) HAL :

Sciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des fluides [physics.class-ph]

Résumé en anglais : [en]

A predictive transient two-phase flow rotodynamic pump model has been developed in the Code for Analysis of THermalhydraulics during an Accident of Reactor and safety Evaluation (CATHARE-3). Flow inside parts of the pump ...
Lire la suite >A predictive transient two-phase flow rotodynamic pump model has been developed in the Code for Analysis of THermalhydraulics during an Accident of Reactor and safety Evaluation (CATHARE-3). Flow inside parts of the pump (suction, impeller, diffuser and volute) is computed according to a one-dimensional discretisation following a mean flow path. Transient governing equations of the model are solved using an implicit resolution method and integrated along the curvilinear abscissa of the element. This model has been previously qualified at the component scale by comparison to an existing experimental database. The present study aims at extending the validation at the system scale: a whole experimental test loop is modelled. The ability of the transient pump model to predict flow rate, head and torque as a function of time during a 1-s pump fast start-up is evaluated. The transient evolution of the pressure upstream and downstream from the centrifugal pump is well predicted by the simulation compared to the measurements. Local quantities such as pressure and velocity inside elements of the circuit are analysed. In the considered case, inertial effects of the global circuit are dominant when compared to pump inertial effects due to the high characteristic lengths of the pipes. The main perspective of this work consists in the simulation of similar pump transients, in cavitating conditions.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

• Laboratoire de Mécanique des Fluides de Lille Kampé de Fériet (LMFL) - UMR 9014

Source :

Harvested from HAL