Reduction in Electric Power Consumption for Thermal Storage Air Conditioning System during Daytime by Application of Discharged Cold Water to Cooling Water : Part 3-Application to Air Cooled Refrigerator System with Heat Storage Tank

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  • KAMIYA Yoshiyuki
    Faculty of Science and Engineering, Kanto Gakuin University
  • MIYAGI Satoshi
    Department of Architectural Environmental System, Yamagata College of Industry and Technology

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Other Title
  • 放冷冷水の冷却水化による蓄熱式空調システムの昼間電力消費削減に関する研究 : 第3報-空冷冷凍機システムへの適用
  • ホウレイヒヤミズ ノ レイキャクスイカ ニ ヨル チクネツシキ クウチョウ システム ノ ヒルマ デンリョク ショウヒ サクゲン ニ カンスル ケンキュウ(ダイ3ポウ)クウレイ レイトウキ システム エ ノ テキヨウ

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Description

In previous papers, a method for applying cold water discharged as the cooling water of a refrigerator was proposed. Furthermore, on the basis of the partial load characteristics of present refrigerators, the parallel operation of the proposed system with the discharging operation of the heat storage tank was proposed. From the calculation of these systems, it was shown that the growth of the total electric energy consumption was limited to less than 5%, although the electric power consumption during the day was greatly reduced. In this paper, the proposed system was assumed to apply to an air cooled refrigerator system with a heat storage tank to reduce the growth of the total electric energy consumption. The calculated results showed that the total electric energy consumption was limited to less than 1%, and the electric power consumption during the day was reduced efficiently. Furthermore, after expanding this application system to a heat storage system with a large temperature difference, the effects of the electric power consumption during the day and the total electric energy consumption were considered.

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