High Temperature Gas Loop and Experiments of Finned Fuel-Elements

概要

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In order to solve problems arising in heat removal from gas cooled reactors, several thermal tests by an out-pile mock-up loop capable of giving same condition as in-pile operating condition are considered. This report presents the information concerning the various specifications, structures, installations, hazard preventing systems, functional tests and modifications of an HTPG (high temperature pressurized gas) loop. Many modifications of a sealing mechanism of the main circulator are made, especially for high temperature operations. Final design and tests of the blower-shaft seal and its purification system are described. Furthermore, heat removal tests of the polygonal spiral fins are made by the use of the HTPG loop. Lastly, the result of the test suggests that the polyzonal fin is a useful surface for extremely high-flux heat transfer.
一般社団法人日本機械学会の論文