Fundamental experiment of potassium heat exchanger using principle of heat pipe.

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概要

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• In order to provide compact and reliable sodium equipments including a steam gener-ator, performance tests are conducted with a potassium heat exchanger, which is featured by the separate construction of primary and secondary coolant systems. A small amount of potassium plays a role as an intermediate media of heat transportation between these two coolant systems. Heat is transfered by evaporation and condensation of potassium on the surfaces of the primary and the secondary coolant pipings, respectively. The tests are performed in the temperature range of 200300°C and the maximum heat transfer reaches 1.3 kW (heat transfer rate at the primary heating source : 8.6 W/cm<SUP>2</SUP> at 300°C). The experimental results are analyzed by using Langmuir's and Schrage's equations and close agreement between experiment and theory is obtained.

• 一般社団法人 日本原子力学会の論文

著者

• KOTANI Koichi

  Atomic Energy Research Laboratory, Hitachi Ltd.

• SUMIDA Isao

  Atomic Energy Research Laboratory, Hitachi Ltd.

関連論文

• Two-phase flow instability caused by density head pressure drop.
• Measurement of impurity concentration in sodium by automatic plugging indicator.
• Fundamental experiment of potassium heat exchanger using principle of heat pipe.

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