Published 1986 | Version v1
Journal article Metadata-only

Dynamic behaviour of large tube bundles in a cross flow

Creators

  • 1. Framatome, 92 - Courbevoie (France)
  • 2. Electricite de France, 92 - Clamart

Description

In the aim to study the transient flows across tube bundles, we present some models based on the homogenization method. They allow to describe the macroscopic behaviour of the cross flow, and also its detailed representation in the neighbourhood of the obstacles, taking into account the tube motions. This study can be applied to the analysis of the behavior of the upper plenums of reactors comprising an important guide tube bundle for control elements during fast transients (depressurization) or slow transients, and to steam generators

Abstract (French)

Dans le cadre de l'etude des ecoulements transitoires a travers les faisceaux de tubes, on presente quelques modeles incompressibles s'appuyant sur la methode d'homogeneisation. Ils permettent d'acceder a la representation macroscopique de l'ecoulement transverse, ainsi qu'a sa representation fine au voisinage des obstacles en tenant compte du comportement dynamique des tubes. Cette etude peut s'appliquer a l'analyse du comportement de plenums superieurs de reacteurs a faisceau dense de guides de grappes de controle lors de transitoires rapides (depressurisation) ou lents, et aux generateurs de vapeur

Additional details

Additional titles

Original title (French)
Comportement dynamique des grands faisceaux tubulaires places dans un ecoulement transversal

Publishing Information

Journal Title
Bull. Dir. Etud. Rech., Ser. C
Journal Issue
no.4
Series
Bull. Dir. Etud. Rech., Ser. C.
ISSN
0013-4511
CODEN
EDBCA

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
18082828
Subject category
S42: ENGINEERING;
Descriptors DEI
CROSSFLOW SYSTEMS; FLUID MECHANICS; FLUID-STRUCTURE INTERACTIONS; INCOMPRESSIBLE FLOW; MATHEMATICAL MODELS; MECHANICAL VIBRATIONS; TRANSIENTS; TUBES; VELOCITY; VISCOSITY
Descriptors DEC
FLUID FLOW; MECHANICS