Published September 1983 | Version v1
Report Metadata-only

Development of a model for solving the three-dimensional, transient fluid dynamics equations in a gas-cooled HTR reactor

Creators

  • 1. Gesellschaft fuer Reaktorsicherheit m.b.H. (GRS), Garching (Germany, F.R.)

Description

A numerical method for the implicit solution of the complete 3-dimensional time dependent fluiddynamic equations is described. The equations are discretizised in space. After a linearisation process the resulting matrix equation is solved efficiently by a fractional step method. Large time steps are reached. Problems of stability are discussed. (orig.)

Availability note (English)

Available from Fachinformationszentrum Energie, Physik, Mathematik, Karlsruhe (Germany, F.R.).

Abstract (German)

Eine numerische Methode zur Loesung der vollstaendigen 3-dimensionalen zeitabhaengigen Fluiddynamikgleichungen wird beschrieben. Diese Gleichungen werden zunaechst im Ort dikretisiert. Das daraus resultierende System gewoehnlicher Differentialgleichungen wird implizit behandelt und effizient mit einem Aufspaltungsschema geloest. Die implizite Behandlung der Gleichungen ermoeglicht grosse Zeitschritte. Probleme der Stabilitaet werden diskutiert. (orig.)

Additional details

Additional titles

Subtitle (English)
Final report
Original title (German)
Entwicklung eines Modells zur Loesung der dreidimensionalen instationaeren Fluiddynamikgleichungen in einem gasgekuehlten Hochtemperaturreaktor
Original subtitle (German)
Abschlussbericht.

Publishing Information

Imprint Pagination
29 p.
Series
Schriftenreihe Reaktorsicherheit und Strahlenschutz.;Ergebnisberichte, Untersuchungen, Studien, Gutachten.
Report number
BMI--1983-015

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
15014135
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
ALGORITHMS; BOUNDARY VALUE PROBLEMS; DIFFERENTIAL EQUATIONS; EXTRAPOLATION; FLOW MODELS; FLUID FLOW; HTGR TYPE REACTORS; ITERATIVE METHODS; MATRICES; STABILITY; THREE-DIMENSIONAL CALCULATIONS; TRANSIENTS
Descriptors DEC
EQUATIONS; GAS COOLED REACTORS; GRAPHITE MODERATED REACTORS; MATHEMATICAL MODELS; NUMERICAL SOLUTION; REACTORS

Optional Information

Contract/Grant/Project number
Contract BMI SR 271/1, A.1.2; 845314
Secondary number(s)
GRS-A--833.