| Summary: | 碩士 === 國立勤益科技大學 === 冷凍空調系 === 105 === The global warming causes the energy price to rise continuously. In terms of the improvement of indoor air quality requirement, the traditional air-conditioning system where the condensation dehumidification is applied often leads to the energy waste. Compared with traditional air-conditioning system, the principle of liquid dehumidification air-conditioner can provide better humidity control and excellent indoor air quality and the energy consumption can be saved by 30 ~ 60% compared with traditional air-conditioning system. If the waste heat can be reused, the energy-saving space can be further enhanced.
In order to improve the benefits of liquid dehumidification, it is attempted to increase the contact area between solution and air. When the solution type is liquid water film, it can increase greatly the unit area than traditional trickle-type spray head. With the combination of different air speed and different solution concentration, this research applied lithium chloride solution and compared the dehumidification performance of solution types formed by 2 different spraying methods. The research results show that “liquid water film” has the better dehumidification capability at low air speed than that of high air speed under the condition of same solution concentration; when the “trickle-type” with the air speed of 1.58m/s under the condition of same solution concentration has better dehumidification capability than the air speed of 1.08m/s and 2.08m/s. According to total dehumidification amount obtained from the comparison of the two spraying methods in the experimental results, when the air speed of “liquid water film” is 1.08m/s, the total dehumidification amount obtained is 165.6 g; relatively, when the air speed of “trickle-type” is 1.58m/s, the total dehumidification amount d is 130.92 g.
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