作者
Baljit Singh, Fairuz Remeli, Amandeep Oberoi, Lippong Tan, Abhijit Date, Aliakbar Akbarzadeh
发表日期
2014
期刊
Proceedings of the 52nd annual conference, Australian Solar Energy Society (Australian Solar Council), Melbourne. ISBN
页码范围
948-0
简介
Salinity gradient solar pond is capable of storing heat at temperature up to 90 0C. The temperature difference between the upper convective zone and lower convective zone of a salinity gradient solar pond can be in the range of 40 to 60 0C. Low grade heat (< 1000C) from solar pond is currently converted into electricity by organic rankine cycle engines. Organic rankine cycle engines require certain threshold to operate as the organic fluid generally boils at more than 500C, and this organic fluid fails to operate at a temperature lower than 500C. Thermoelectric generators can operate at very low temperature differences and can be a good candidate to replace organic rankine cycle engines for power generation. The temperature difference in a solar pond can be used to power thermoelectric generators for electricity production. This paper presents an experimental investigation of a thermoelectric generators system designed to be powered by the hot water from the lower convective zone of the solar pond, and cold water from the upper convective zone of the solar pond. The proposed system is capable of producing electricity even on cloudy days or at night as the salinity gradient solar pond acts as a thermal storage system. The results obtained have indicated significant prospects of such system to generate power from a low grade heat for remote area power supply systems.
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B Singh, F Remeli, A Oberoi, L Tan, A Date… - Proceedings of the 52nd annual conference, Australian …, 2014