Study on Cool Storage System using CFC-11(CCl3F) Clathrate.

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  • Tanii Tadaaki
    Takasago Research and Development Center, Mitsubishi Heavy Industries, Ltd
  • Minemoto Masaki
    Takasago Research and Development Center, Mitsubishi Heavy Industries, Ltd
  • Nakazawa Kuniyasu
    Takasago Machinery Works, Mitsubishi Heavy Industries, Ltd.
  • Ando Yoshimasa
    Power System Headquarters, Mitsubishi Heavy Industries, Ltd.

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  • ＣＦＣ（Ｃｈｌｏｒｏ　Ｆｌｕｏｒｏ　Ｃａｒｂｏｎ）‐１１（ＣＣｌ３Ｆ）クラスレートを用いた蓄冷システム
  • CFC Chloro Fluoro Carbon 11 CCl3F クラスレー

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Abstract

Experiments were performed to investigate the possibility of a direct-contact-charged cool storage system and indirect-contact-charged cool storage system using clathrate for use in air conditioning of buildings, by storing energy of night excess power at a cool storage density and taking it out as cool heat when energy become necessary in the daytime. Using CFC-11 (CCl3F) clathrate, the following conclusions were obtained.<BR>1. Cool storage system using clathrate is a more suitable heat storage system than water and ice.<BR>2. Addition of 0.010.1 wt% additive allowed ideal clathrate formation and decomposition up to 40 wt% of clathrate concentration.<BR>3. Addition of ethyleneglycol allowed clathrate formation and decomposition temperature decreases, resulting in the aquisition of more cooled chilled water.

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