Published 1988 | Version v1
Report Open

Algorithm for numerical calculation of thermal-hydraulic parameter distribution in a fuel assembly based on by-channel calculational technique for unsteady operational conditions

Creators

Description

Descritpion of methods and algorithm of solving a system of equations of pulse, energy and mass macrotransfer in frames of by-channel thermal-hydraulic calculational technique, as well as algorithm of approximate calculation of the temperature of fuel can and in the center of a fuel pellet for unsteady operational conditions are presented. Three-dimensional macrotransfer equations are approximated according to inexplicit finite-difference diagram for the rate-pressure-enthalpy variables taking account of varied physical properties. Algorithm consists in realization of by-step procedure over the time variable with each step iterations. The fuel element temperature is determined in solving the equation of fuel element thermal conductivity on the basis of time profile approximation by power dependence

Availability note (English)

MF available from INIS under the Report Number.

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Additional details

Additional titles

Original title (Russian)
Алгоритм численного расчета распределения теплогидравлических параметров в ТВС на основе поканального метода расчета для нестационарных режимов работы

Publishing Information

Imprint Pagination
16 p.
Report number
FEI--1907

INIS

Country of Publication
USSR
Country of Input or Organization
USSR
INIS RN
20064172
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Descriptors DEI
ALGORITHMS; BOUNDARY CONDITIONS; COMPUTER CALCULATIONS; ENTHALPY; FAST REACTORS; FINITE DIFFERENCE METHOD; FLOW RATE; FUEL CANS; FUEL ELEMENT CLUSTERS; FUEL RODS; HEAT TRANSFER; HYDRAULICS; MASS TRANSFER; TEMPERATURE DISTRIBUTION; THERMAL CONDUCTIVITY; TRANSIENTS
Descriptors DEC
ENERGY TRANSFER; EPITHERMAL REACTORS; FUEL ASSEMBLIES; FUEL ELEMENTS; ITERATIVE METHODS; NUMERICAL SOLUTION; PHYSICAL PROPERTIES; REACTOR COMPONENTS; REACTORS; THERMODYNAMIC PROPERTIES

Optional Information

Notes
9 refs.; 2 figs.