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Modelling of a radial pump fast startup with the CATHARE-3 Code and analyse of the loop response

Abstract : The french alternative energies and atomic energy commission (CEA) is currently doingresearch in the pump modelling field. A predictive transient, two-phase flow rotodynamicpump model has been developed in the CATHARE-3 code. Flow inside parts of the pump(suction, impeller, diffuser, volute) is computed according to a one-dimensional discretization.A mean flow path has to be defined for such a modelling. Validation has startedduring years 2017-18 at the component scale by comparison to an existing experimentaldatabase. The ability of the model to predict head and torque as a function of time duringa 1-second pump fast start-up has been proved when imposing rotational speed and flowrate evolutions. The present study aims at extending the validation at the system scale awhole loop is modelled.
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https://hal-cea.archives-ouvertes.fr/cea-02338463
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Submitted on : Tuesday, February 25, 2020 - 12:05:06 PM
Last modification on : Friday, July 17, 2020 - 2:59:13 PM
Long-term archiving on: : Tuesday, May 26, 2020 - 12:55:59 PM

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  • HAL Id : cea-02338463, version 1

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L. Matteo, R. Moral, A. Dazin, N. Tauveron. Modelling of a radial pump fast startup with the CATHARE-3 Code and analyse of the loop response. ETC13 - 13th European Conference on Turbomachinery Fluid dynamics and Thermodynamic, Apr 2019, Lausanne, Switzerland. ⟨cea-02338463⟩

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