MATHEMATICAL RELATIONS OF MODELS OF SINGLE-PHASE FLOWS IN THE CHANNELS OF REACTORS AND STEAM GENERATORS OF NPP’s FOR CALCULATION OF HEAT TRANSFER PROCESSES AND HYDRODYNAMIC CHARACTERISTICS-Reference-Cited by-同舟云学术

MATHEMATICAL RELATIONS OF MODELS OF SINGLE-PHASE FLOWS IN THE CHANNELS OF REACTORS AND STEAM GENERATORS OF NPP’s FOR CALCULATION OF HEAT TRANSFER PROCESSES AND HYDRODYNAMIC CHARACTERISTICS

Published:2022-01-04 Issue: Volume: Page:179-185
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Container-title:Problems of Atomic Science and Technology
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Author:

Yefimov O.V.,Pylypenko M.M.,Kavertsev V.L.,Harkusha T.A.,Tiutiunyk L.J.,Motovilnik A.V.

Abstract

The article presents the mathematical relationships of models of single-phase flows in channels of a other design for calculating the parameters of heat transfer processes and hydrodynamic (gas-dynamic) characteristics of flows. A comparative analysis of these ratios and their differences are indicated depending on the design of the channels. To calculate the processes of heat exchange in steam generators of nuclear power plants during the movement of single-phase flows of the coolant and working substance, the criterion equations of the similarity theory are used, which describe the generalized relationships between the quantities characterizing the processes that are similar to each other. These are the criteria for Re; Nu; Pr; Pe, et al. The article provides generalized relationships between similarity criteria for single-phase flows of different types of coolants (water, gas, liquid metals) and working substances that are used in the design and construction of reactors and steam generators.

Publisher

Problems of Atomic Science and Technology

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