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Differential systems of flux and concentrations of a mixture in the separation by a plant (1963); Systemes differente des flux et des concentrations d'un melange en separation par une usine etagee (1963)

Abstract

The study of transient flux and concentrations of a mixture in the separation by a plant with different interdependent stages leads to an examination of the solutions of certain types of differential systems. These systems are obtained from the representative graph of the plant and have a structural form. By Olga TAUSSKY's theorem and the introduction of steerable distances, the solutions of these systems are chiefly examined in their asymptotic behaviour. The appendix shows that solutions of partial differential equations relative to plants made of cascades with a slight separation have analogous properties. (author) [French] La recherche des regimes transitoires des flux et des concentrations d'un melange en separation par une usine etagee de forme quelconque conduit a etudier les solutions de certains types de systemes differentiels. Ces systemes sont deduits du graphe representatif de l'usine, et apparaissent sous une forme structuree. A l'aide du theoreme d'Olga TAUSSKY et par l'introduction d'ecarts orientes, les solutions de ces systemes sont principalement examinees dans leur comportement asymptotique. Un appendice montre que les solutions des systemes d'equations aux derivees partielles des usines en cascades a tres faible separation admettent des proprietes analogues. (auteur)
Authors:
Bouligand, G [1] 
  1. Commissariat a l'Energie Atomique, Saclay (France). Centre d'Etudes Nucleaires
Publication Date:
Nov 15, 1963
Product Type:
Thesis/Dissertation
Report Number:
CEA-R-2337
Resource Relation:
Other Information: TH: These ES sciences physiques; 19 refs
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; BOUNDARY CONDITIONS; EXTRACTION COLUMNS; FLOW RATE; GASEOUS DIFFUSION PLANTS; GASEOUS DIFFUSION PROCESS; ISOTOPE RATIO; MATHEMATICAL SOLUTIONS; PARTIAL DIFFERENTIAL EQUATIONS; TRANSIENTS; URANIUM HEXAFLUORIDE
OSTI ID:
20818018
Research Organizations:
CEA Saclay, 91 - Gif-sur-Yvette (France); Faculte des Sciences de l'Universite de Paris, 75 (France)
Country of Origin:
France
Language:
French
Other Identifying Numbers:
TRN: FR06R2337118147
Availability:
Available from INIS in electronic form
Submitting Site:
FRN
Size:
91 pages
Announcement Date:
Dec 30, 2006

Citation Formats

Bouligand, G. Differential systems of flux and concentrations of a mixture in the separation by a plant (1963); Systemes differente des flux et des concentrations d'un melange en separation par une usine etagee (1963). France: N. p., 1963. Web.
Bouligand, G. Differential systems of flux and concentrations of a mixture in the separation by a plant (1963); Systemes differente des flux et des concentrations d'un melange en separation par une usine etagee (1963). France.
Bouligand, G. 1963. "Differential systems of flux and concentrations of a mixture in the separation by a plant (1963); Systemes differente des flux et des concentrations d'un melange en separation par une usine etagee (1963)." France.
@misc{etde_20818018,
title = {Differential systems of flux and concentrations of a mixture in the separation by a plant (1963); Systemes differente des flux et des concentrations d'un melange en separation par une usine etagee (1963)}
author = {Bouligand, G}
abstractNote = {The study of transient flux and concentrations of a mixture in the separation by a plant with different interdependent stages leads to an examination of the solutions of certain types of differential systems. These systems are obtained from the representative graph of the plant and have a structural form. By Olga TAUSSKY's theorem and the introduction of steerable distances, the solutions of these systems are chiefly examined in their asymptotic behaviour. The appendix shows that solutions of partial differential equations relative to plants made of cascades with a slight separation have analogous properties. (author) [French] La recherche des regimes transitoires des flux et des concentrations d'un melange en separation par une usine etagee de forme quelconque conduit a etudier les solutions de certains types de systemes differentiels. Ces systemes sont deduits du graphe representatif de l'usine, et apparaissent sous une forme structuree. A l'aide du theoreme d'Olga TAUSSKY et par l'introduction d'ecarts orientes, les solutions de ces systemes sont principalement examinees dans leur comportement asymptotique. Un appendice montre que les solutions des systemes d'equations aux derivees partielles des usines en cascades a tres faible separation admettent des proprietes analogues. (auteur)}
place = {France}
year = {1963}
month = {Nov}
}