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Convective transfer organization (architecture) in a fuel rods bundle behind cell grids for VVER
| Authors: Krapivtsev V.G., Solonin V.I., Tsirin S.I. | Published: 30.07.2013 |
| Published in issue: #4(613)/2011 | |
| Category: Calculation and Design of Machinery | |
| Keywords: turbulence, VVER, heat exchange, convective transfer, rod bundle, temperature field, cell-type mixing grid |
The spacer grids designs for VVER have been analyzed. The tasks to be solved when designing a new cell-type mixing grid have been formulated. A pilot sample of the cell-type mixing grid is presented to perform a thermohydraulic performance research. The research procedure has been described and the experimental investigation results of the cell-type mixing grid pilot samples have been provided. Based on the investigation results a basic design of the cell-type mixing grid providing high mixing efficiency has been chosen.