Труды Института механики им. Р.Р. Мавлютова

ISSN 2542–0380

Электронный научный журнал | Electronic Scientific Journal

Proceedings of the Mavlyutov Institute of Mechanics

Kashinsky O.N., Pribaturin N.A., Lobanov P.D., Kurdyumov A.S., Randin V.V. Hydrodynamics and heat transfer of a two-phase gas-liquid flow in fuel assemblies Proceedings of the Mavlyutov Institute of Mechanics. 9 (2012) 1. 98–103.

2012. Vol. 9. Issue 1, Pp. 98–103
URL: http://proc.uimech.org/uim2012.1.019,en
DOI: 10.21662/uim2012.1.019

Hydrodynamics and heat transfer of a two-phase gas-liquid flow in fuel assemblies

Kashinsky O.N.^∗, Pribaturin N.A.^∗,∗∗, Lobanov P.D.^∗, Kurdyumov A.S.^∗, Randin V.V.^∗

^∗Kutateladze Institute of Thermophysics SB RAS, Novosibirsk
^∗∗Novosibirsk Branch of The Nuclear Safety Institute, Novosibirsk

Abstract

A study was carried out of the hydrodynamics and heat transfer of two-phase flow in the main elements of the heat-exchange circuits of a nuclear power plant: axisymmetric annular channel and an assembly of vertical rods. The features of the distribution of the gas phase in the section of the working sections of the setup were studied. The dependences of the frictional stress and the heat transfer coefficient are obtained for various flow rates of liquid and gas. The interaction of one- and two-phase flows with barriers that overlap a portion of the cross-section of the channels by a spacer grid in the rod assembly and a partition covering 25% of the cross section of the annular channel is considered. The obtained data can be used for verification of modern computational codes.