Combined air conditioning and tap water heating plant using CO2 as refrigerant |
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| Affiliation: | 1. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, China;2. State Key Laboratory for Chemical Engineering and School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;1. Department of Building Science, School of Architecture, Tsinghua University, Beijing 100084, China;2. Danfoss (Tianjin) Ltd, Commercial Scroll Compressor, Tianjin, China |
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| Abstract: | A combined air conditioning and tap water heating plant using carbon dioxide (CO2) as refrigerant has been investigated theoretically and experimentally. The system is suitable for countries with year around cooling demand, such as Indonesia or Singapore, and a need for hot tap water. A unique CO2 transcritical cycle characteristic for heating process can afford an improvement to a CO2 air conditioning system when rejected heat from the system is recovered. Some parameters affecting performance of the combined system are discussed. |
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