Results 211 to 220 of about 5,499 (259)

Hydrostatic calculation of a nuclear reactor cooling system

Soviet Atomic Energy, 1967
I. S. Kochenov, O. Yu. Novosel'skii
exaly   +2 more sources

Nuclear Reactor Calculations

2014
The most fundamental evaluation quantity of the nuclear design calculation is the effective multiplication factor (k eff ) and neutron flux distribution. The excess reactivity, control rod worth, reactivity coefficient, power distribution, etc. are undoubtedly inseparable from the nuclear design calculation. Some quantities among them can be derived by
Keisuke Okumura   +2 more
openaire   +1 more source

A Nested FGMRES Method for Parallel Calculation of Nuclear Reactor Transients

Journal of Scientific Computing, 1998
A semi-iterative method based on a nested application of flexible generalized minimum residual (FGMRES) is developed to solve the linear systems resulting from the application of the discretized two-phase hydrodynamics equations to nuclear reactor transient problems.
Raghunandan Janardhan, Thomas J. Downar
openaire   +2 more sources

Some methods for calculation of perturbations in nuclear reactors

Physics of Atomic Nuclei, 2015
Some methods for calculation of local perturbations of neutron fields and reactivity effects accompanying them are considered. Existence, uniqueness, properties and methods for finding solutions to the considered problems are discussed.
openaire   +1 more source

Calculation of weak self-oscillation regimes in nuclear reactors

Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology, 1966
Abstract A procedure is given for making an approximate calculation of the parameters associated with self-oscillation regimes of nuclear reactors when the amplitude of the power oscillations is small. An equation is obtained which, within the framework of the approximations made, permits one to determine the frequencies of the possible self ...
openaire   +1 more source

ƒ-Calculation in heterogeneous nuclear reactors by matrix formalism

Journal of Nuclear Energy (1954), 1954
Abstract Using ordinary diffusion theory, the present work gives a universal method for calculating the thermal utilization factor ƒ of a heterogeneous reactor with an elementary cell that contains an arbitrary number of concentric cylindrical shells. Approximations for the exact matrix elements reduce the computation work considerably.
openaire   +1 more source

Uncertainty in the Nuclear Data Used for Reactor Calculations

1982
Part of the uncertainty in the computed value of a nuclear system parameter originates in the uncertainties in the differential nuclear data used in the calculation. The effects of these uncertainties cannot be fully circumvented by comparing computed results against those from integral experiments.
openaire   +1 more source

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