Plate fuel assemblies will be widely applied in the future because of their simple and compact structure and excellent heat exchange capability. When the plate fuel assemblies are used in a ship reactor, the effect of the ship motion on the reactor core thermal hydrodynamic must be investigated. In this paper, aiming at the rectangular shape of coolant channels in the assemblies, the numerical simulation of the flow and heat exchange in a rectangular channel in horizontal translation is carried out. Using the CFD Software and UDF code, the simulation model of the channel in horizontal translation with and without acceleration along its width direction is built up, and the related characteristics is analyzed and discussed. The results and conclusions are applicable and useful for the new type ship PWR design.

Volume Subject Area:
Thermal Hydraulics
Topics:
Flow (Dynamics), Temperature, Ships, Fuels, Heat, Computational fluid dynamics, Computer simulation, Computer software, Coolants, Design, Pressurized water reactors, Shapes, Simulation models
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Copyright © 2010
 by ASME
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