CO_2ヒートポンプ給湯システムの数値シミュレーションによる性能分析 : 第2報,貯湯槽のモデル化とシステムの分析(熱工学,内燃機関,動力など)

概要

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Heat pumps using CO_2 as a natural refrigerant have been developed and are expected to contribute to energy saving in hot water supply. In residential applications, CO_2 heat pumps are used in combination with hot water storage tanks. The objective of this series of papers is to analyze the overall performance of a hot water supply system composed of a CO_2 heat pump and a hot water storage tank by numerical simulation. In the 2nd report, a simulation model of a hot water storage tank is created and the performance of a hot water supply system is analyzed. The performance calculated is compared with that measured, and the simulation model is validated. The trade-off relationship between the system efficiency and the volume of hot water unused through the operational condition on the inlet water temperature is clarified quantitatively.
社団法人日本機械学会の論文
2005-12-25