Thermoelectric Energy Harvesting from the Roof and Attics of a Building

Q3 Chemical Engineering
Saleh Umar Abubakar, Siti Amely Jumaat, Babangida Yakubu, Yau Shuaibu Haruna, Suleiman Abdulrahman
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引用次数: 0

Abstract

Globally people are faced with difficulties in environmental pollution, increasing power costs, and global warming. As such researchers are focusing on enhancing energy-harvesting using thermoelectric generators for power generation to lessen the difficulties. Through the Seebeck effect, thermoelectric generators (TEGs) have proven their ability to convert thermal energy into electric power. Given the unique benefits they present, thermoelectric generators have arisen in the recent decade as a possible alternative to other green power generation technologies. A thermoelectric generator (TEG) is a solid-state device that converts thermal energy into electrical energy. TEG consists of elements of p and n-type semiconductors, connected thermally in parallel and electrically in series. In this paper, one hundred and ninety-two thermoelectric generators connected in series and parallel were used to investigate the thermal energy potential at the roof and attic area for domestic application for 20 days from the falling solar radiation on a residential prototype in Bashar, Wase Local government area of Plateau State. A theoretical analysis was used in determining the average output power (P) due to the delta T across the thermoelectric generator module junction. The load resistance value of the thermoelectric generator configuration was evaluated. The results show that the TEG generated power output ranging from 217 mW to 1.99 W throughout the day, 5.97 mW to 13.8 mW in the morning, and 6.8 mW to 36.9 mW in the evening. Furthermore, The finding also reveals that the attic side has the capacity to store thermal energy, which can be harnessed owing to the fast heat transfer to the surroundings during the convection process. In conclusion, solar irradiance has a major impact on the system.
从建筑物屋顶和阁楼收集热电能量
在全球范围内,人们面临着环境污染、电力成本增加和全球变暖等困难。因此,研究人员正专注于利用热电发电机加强能量收集,以减少发电困难。通过塞贝克效应,热电发电机(TEG)已经证明了其将热能转化为电能的能力。鉴于其独特的优势,近十年来,热电发电机已成为其他绿色发电技术的可能替代品。热电发电机(TEG)是一种能将热能转化为电能的固态装置。TEG 由热并联和电串联的 p 型和 n 型半导体元件组成。本文使用了 192 台串联和并联的热电发生器,对高原州瓦塞地方政府地区巴沙尔的一个住宅原型进行了为期 20 天的太阳辐射下降情况下屋顶和阁楼区域的热能潜力调查。通过理论分析,确定了热电模块结点上的三角洲 T 所产生的平均输出功率 (P)。对热电发电机配置的负载电阻值进行了评估。结果表明,热电发生器全天产生的功率输出范围为 217 mW 至 1.99 W,上午为 5.97 mW 至 13.8 mW,傍晚为 6.8 mW 至 36.9 mW。此外,研究结果还表明,阁楼一侧具有储存热能的能力,由于在对流过程中热量能快速传递到周围环境,因此可以利用这些热能。总之,太阳辐照度对系统有重大影响。
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来源期刊
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
2.40
自引率
0.00%
发文量
176
期刊介绍: This journal welcomes high-quality original contributions on experimental, computational, and physical aspects of fluid mechanics and thermal sciences relevant to engineering or the environment, multiphase and microscale flows, microscale electronic and mechanical systems; medical and biological systems; and thermal and flow control in both the internal and external environment.
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