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Development of microencapsulated phase change material for solar thermal energy storage

机译:用于太阳能储能的微胶囊相变材料的开发

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摘要

In this paper a novel microencapsulated phase change material (MF-3) has been developed and tested for solar assisted hot water storage systems. Even though the morphology of the sample was affected by the type of emulsifier used for fabrication it recorded the highest energy storage capacity of 126 kJ/kg with encapsulation efficiency of 97.4% as compared with other developed samples. For the purpose of assessing its thermal effectiveness it was theoretically evaluated in a compacted fixed bed TES unit and found to be capable of achieving a higher energy storage density as well as relatively smaller physical storage size than water based system. Despite the overall effective thermal conductivity being slightly less than water, its value was still about twice as high as most current PCM storage units. Experimental evaluation is therefore strongly encouraged.
机译:在本文中,一种新型的微囊相变材料(MF-3)已经被开发出来并用于太阳能辅助热水存储系统的测试。尽管样品的形态受到制造中使用的乳化剂类型的影响,但与其他开发的样品相比,其记录的最高储能能力为126 kJ / kg,封装效率为97.4%。为了评估其热效率,在理论上在紧凑型固定床TES单元中对其进行了评估,发现与水基系统相比,它能够实现更高的能量存储密度以及相对较小的物理存储尺寸。尽管总体有效热导率略低于水,但其值仍约为大多数当前PCM存储单元的两倍。因此,强烈建议进行实验评估。

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