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4.15 Flooding Heat Flux in Vertical Steam Generated Channel Closed at Its Bottom

DOI: 10.1615/ICHMT.1982.AdvCourHeatTransfNucReactSaf.510
pages 787-795

Pavel A. Andreev
SPA J.J.Polzoonov Central Boiler and Turbine Research and Development Institute (USSR)

Boris F. Balunov
Polzunov Central Turbine - Boiler Institute, Leningrad, USSR

Rostislav A. Rybin
Polzunov Central Turbine - Boiler Institute, Leningrad, USSR

Evgueni M. Smirnov
Department of Hydro- and Aerodynamics at the Saint-Petersburg Polytechnic University, Polytechnicheskaya, 29, St. Petersburg, 195251, Russia


The results of the experimental investigation of the critical heat flux in the vertical steam generated channel closed at its bottom are presented. The experiments were carried out on the electrical heated round tubes, annuli and rod bundles. The model of flooding for counter-current two-phase flow was used to generalization of experimental data. The expression for flooding heat flux ( FHF ) are presented.

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