蒸気圧縮式チラーの精密温度制御法
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概要
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This paper describes precise control of supply water temperature from a vapor compression chiller that is mainly used for industrial applications. At first, it was concluded from comparison with several capacity control methods that the suction pressure control method was the most suitable. Then a chiller with this control method was developed and investigated by experiments and a computer aided simulation. The chiller is equipped with a PI controller and a magnetic linear control valve at the compressor suction line. The PI controller regulates the opening area of the valve in accordance withthe supply water temperature. The results showed that the supply water temperature from the chiller was controlled to an accuracy within ±0.2°C for fluctuations of a cooling load or a water flow rate. Furthermore the simulation results for dynamic characteristics were in good agreement with the experimental data.
- 公益社団法人 日本冷凍空調学会の論文
公益社団法人 日本冷凍空調学会 | 論文
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