内気冷却用熱交換器を適用した密閉筐体の熱設計

概要

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This paper describes about thermal design and simulation method of closed cabinet applying heat exchanger for inner air cooling. In controller system which we used for this research, the cabinet is equipped in outdoor, and the cabinet is sealed to prevent the inducement of dust. This system dissipates 630 Watts in total, so it had a problem that the inner air temperature of the cabinet was raised over 30 K. So we equipped a heat pipe heat exchanger in the cabinet, and we also changed the air flow path to realize the best performance of heat exchanger according to the results from thermal and fluid simulation using macroscopic model of heat exchanger to reduce computational load. In conclusion, inner air temperature rise had reduced below 15K, and the result was in good agreement with the simulation.
社団法人日本機械学会の論文
1998-10-25