C10 ループ型熱音響冷凍機のエネルギ変換と損失に関する研究(パルス管冷凍機,熱音響機器及び関連要素と応用システム(3))

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  • C10 Energy conversion and energy loss for loop type thermoacoustic refrigerator
  • ループ型熱音響冷凍機のエネルギ変換と損失に関する研究
  • ループガタ ネツ オンキョウ レイトウキ ノ エネルギ ヘンカン ト ソンシツ ニ カンスル ケンキュウ

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The thermoacoustic effect is energy conversion between heat and sound. When thermal energy is converted to the oscillation of sound, the heat pump cycle is driven by using that oscillation. In this work, the heat exchanger for a prime mover of loop type thermoacoustic refrigerator was designed with the concept of Stirling engine. It was found that the efficiency of the heat exchanger depends on the surface area. To analyze the efficiency of the thermoacoustic refrigerator, the energy flow was calculated by measuring temperature distribution and energy flow. About 75% of the input heat was transferred by the sound flow and radiation. When the orifice was inserted in the tube to reduce the heat transfer by sound, the efficiency was improved.

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