Calculation and Selection of Flat-Plate Solar Collector Geometric Parameters with Thermosiphon Circulation
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Institute Information and Computational Technologies CS MES RK, Pushkin St 125, Almaty, Kazakhstan
Al-Farabi Kazakh National University, 71 al-Farabi Ave., 050040, Almaty, Kazakhstan
Lublin University of Technology, ul. Nadbystrzycka 38A 20-618 Lublin, Poland
International University of Information Technologies, Kazakhstan
Almaty University of Power Engineering and Telecommunications, Baytursynov Street 126, 050013Almaty, Kazakhstan
Publication date: 2018-11-01
Corresponding author
Waldemar Wójcik   

Lublin University of Technology, ul. Nadbystrzycka 38A 20-618 Lublin, Poland
J. Ecol. Eng. 2018; 19(6):176-181
The article describes a newly developed calculation technique and choice of the geometrical parameters of the solar collector with the siphon effect. The dependence of the cross section of the pipe on the flow time for different values of the head is also shown. With an increase in the siphon head, the flow time of the liquid increases. This is explained by the fact that with increasing head the hydraulic resistance of the siphon increases, which leads to a decrease in the velocity of the fluid. For the first time, a relationship determining the time of fluid outflow in dependence on the geometric parameters of the solar collector is settled. The developed technique allowed to establish that the local hydraulic resistance and friction play a significant role in the heat carrier flow rate.
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