Research for Air Cooling System Using Vacuum-Cooled Water Refrigerant

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概要

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• An air-cooling system of a small capacity of several kilo-watts using only water refrigerant as a non-CFCs (Chlorofluorocarbon) technology is examined. The experimental device consists of two stages. The first stage is composed of a vacuum pump and a vacuum chamber of about 60 L in volume. The second stage has two heat exchangers (the exchanger located outside the vacuum chamber is a dummy cooling load) and a water circulating pump. An air-conditioner indoor unit or a heater is used as a dummy cooling load. The temperature and humidity characteristics are measured at each place. Consequently, the ability to cool the room air is ensured by an air-cooling system using only water refrigerant. A new vacuum pump, that can exhaust a large amount of water vapor, is developed and its properties are measured. It seems that the engine-based vacuum pump performance is sufficient to drive the air cooling system with water refrigerant.

著者

• Yamazaki Satoshi

  Department Of Internal Medicine And Clinical Immunology Yokohama City University Graduate School Of

• SUGAWARA AKIRA

  Department of Nephrology, Endocrinology, Vascular Medicine, Tohoku University

• NAKAMIKAWA Satoru

  Department of Electrical and Electronic Engineering, Niigata University

• KAGEYAMA Masaya

  Department of Electrical and Electronic Engineering, Niigata University

• ABE Naoto

  Department of Electrical and Electronic Engineering, Niigata University

• KAWASAKI Kazumasa

  Center for Cooperative Research, Niigata University

• MATSUBARA Koji

  Department of Mechanical and Production Engineering, Niigata University

• Abe Naoto

  Department Of Agricultural Chemistry The University Of Tokyo

• Matsubara Koji

  Department Of Mechanical And Production Engineering Niigata University

• Sugawara Akira

  Department Of Advanced Biological Sciences For Regeneration (kotobiken Medical Laboratories) Tohoku

• Kawasaki Kazumasa

  Center For Cooperative Research Niigata University

• Yamazaki Satoshi

  Department Of Dermatology Mie University School Of Medicine

• SUGAWARA Akira

  Department of Electrical and Electronic Engineering, Niigata University

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