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Article · Journal of Polytechnic · February 7, 2019

Theoretical And Mathematical Analysis Of Double- Circuit Solar Station With Thermo Siphon Circulation

Yedilkhan N. Amirgaliyev, Murat Kunelbayev, Aliya Kalizhanova, Omirlan Auelbekov, Nazbek Katayev, Айнур Козбакова

Murat Kunelbayev
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Abstract

This article discusses the mathematical models of the individual structures and modes of operation of a double-circuit solar collector with thermo siphon circulation. To perform this task, we considered a new design of a flat solar collector with thermo siphon circulation, in which the heat transfer coefficient was increased by eliminating additional partitions between the panel and thermal insulation. The efficiency of the solar collector is achieved due to the presence of the metering tank and the heat pump in the tank, where the condenser and evaporator are made in the form of a “spiral in a spiral” type heat exchanger, and the heat exchanger pipelines are placed one above the other, which allows increasing the area and intensity of heat exchange. The result of this work is a theoretical and mathematical analysis of the unsteady thermal regime of flat solar collectors on the modes of operation under consideration. Based on the results of the analysis, it is possible to optimize individual structural elements, as well as to predict the thermal regime and select alternative solutions for the design of flat solar collectors and the choice of operating modes.

Solar Thermal and Photovoltaic SystemsHeat Transfer MechanismsSolar Energy Systems and Technologiesflat plate solar collectorheat transfer coefficientheat pumps

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