Theoretical investigation of energy saving for vapour compression air conditioning system by using solar thermal energy

2016 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON) Pub Date : 2016-06-01 DOI:10.1109/ECTICON.2016.7561488

Zin Thu Aung, M. Mon, Soe Soe Nu

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引用次数: 1

Abstract

This paper discusses air conditioning system by using solar thermal energy for performance enhancement and energy efficiency improvement. An evacuated solar collector with hot water storage tank would be installed after the compressor to increase coefficient of performance (COP) of the system at full load. Solar energy and waste energy are fully utilized so less power would be required to run compressor, this is turn allows for smaller compressor to be installed that offer even better savings on power consumption. The proposed system delivers higher system efficiency owing to the higher refrigeration effect in the direct expansion evaporator. According to calculation results, the refrigeration effect of proposed method is increased than that of conventional method. The decreased in mass flow rate is due to increased refrigeration effect and a decrease in compressor work (increased COP). Thus, the novel development is expecting for improvement of energy efficiency, enhancement of the system performance while fulfilling the cooling demand. Consequently, this system can be saved around 40% of electrical energy.

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利用太阳能热能进行蒸汽压缩空调系统节能的理论研究

本文论述了利用太阳热能来提高空调系统的性能和能效。在压缩机后安装带热储水箱的真空太阳能集热器，以提高系统满负荷时的性能系数。太阳能和废弃能源得到充分利用，因此运行压缩机所需的电力更少，这反过来允许安装更小的压缩机，从而更好地节省电力消耗。由于直接膨胀式蒸发器具有较高的制冷效果，该系统具有较高的系统效率。计算结果表明，该方法的制冷效果比常规方法有所提高。质量流量的下降是由于制冷效果的增加和压缩机功的减少(COP的增加)。因此，期望在满足制冷需求的同时提高能源效率，增强系统性能。因此，该系统可以节省约40%的电能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)

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