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Feasibility of electrical power generation using thermoelectric modules via solar pond heat extraction

机译：使用热电模块通过太阳池取热来发电的可行性

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Solar pond undoubtedly has been a reliable source of low grade heat supply by acting as both collector and storage for the incoming solar radiation. The thermal efficiency of the solar ponds is between 15 and 25% of the incoming horizontal solar radiation. Meanwhile, the thermoelectric technology enables the conversion of heat into electricity using thermoelectric modules. In this paper, the feasibility of the system by combining solar pond and thermoelectric modules is presented. This system can be achieved by using a thermoelectric modules-embedded heat exchanger module that will able to extract the heat available from the lower convective zone of the solar pond. The analysis in this paper was conducted by investigating the solar ponds operating in different climate conditions, which are Group A (Kuala Lumpur), Group B (Riyadh) and Group C (Melbourne and Granada) base on Koppen climate classification. The theoretical feasibility draws the limit on the performance and cost of the solar pond-thermoelectric system under commercially available thermoelectric technology at the present state. Later, the result was contrasted against the performance of the power generation units operate under realisable operating condition with solar pond. The result in this study revealed that, under ideal condition, the system is at least 10 times costly compared to other renewable energy sources like off-grid solar photovoltaic system with storage. Meanwhile, at its best operating climate, this system will be able to achieve annual carbon dioxide reduction of 2.38 kg/m(2)-year in a practical case. (C) 2016 Elsevier Ltd. All rights reserved.
机译：毫无疑问，太阳池通过充当收集器和储存太阳辐射的来源，一直是低等级热量供应的可靠来源。太阳池的热效率为入射水平太阳辐射的15％至25％。同时，热电技术可以使用热电模块将热量转化为电能。本文提出了结合太阳池和热电模块的系统的可行性。该系统可以通过使用嵌入了热电模块的热交换器模块来实现，该模块将能够吸收来自太阳池下部对流区的热量。本文的分析是通过根据Koppen气候分类调查在A组（吉隆坡），B组（利雅得）和C组（墨尔本和格拉纳达）不同气候条件下运行的太阳池而进行的。理论上的可行性对目前市场上可买到的热电技术下的太阳池-热电系统的性能和成本提出了限制。后来，将结果与太阳能电池在可实现的运行条件下运行的发电设备的性能进行了对比。这项研究的结果表明，在理想条件下，该系统的成本至少是其他可再生能源（如带储能的离网太阳能光伏系统）的10倍。同时，在最佳操作环境下，在实际情况下，该系统每年可以减少2.38 kg / m（2）-年的二氧化碳排放。 （C）2016 Elsevier Ltd.保留所有权利。

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