Analysis of thermal characteristics of a solar heat supply system with thermosiphon circulation
Nazgul T. Zamira A. Ysman O. Ayaulym T. Ardak T. Farida T. Murat K.
2023North Atlantic University Union NAUN
International Journal of Mechanics
2023#1799 - 105 pp.
In this paper, the characteristics of the vertical distribution of the thermosiphon in the conditions of the southern region of Kazakhstan are experimentally studied. The design was equipped with several thermocouples for measuring and collecting the provided data using a data logger. The collector temperature has reached 75 °C, and the time to reach the highest temperature is approximately 1.5 hours after the point of limiting the flow of solar radiation. During the sunny period, the temperature of the upper layer of water in the storage tank was 60 °C. This system was demonstrated during the winter days. The measured thermal characteristics of the alignment are in good agreement. At the maximum values of the temperature systems, the average daily efficiency of the system was 52% with the difference between the collector temperature and the ambient temperature. While on other days, the average daily performance of the system is about 50%. The initial temperature in the tank has an impressive effect on the daily return of the system. An increase in the temperature difference between the water temperature and the collector temperature will lead to an increase in the thermal power of the collectors. Compared to other days, the daily efficiency of the system can reach 60% at an initial temperature of 7°.
flat solar collector , Solar energy , solar installation , thermosiphone, exergy
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Kyrgyz State Technical University named after I. Razzakov, Ch. Aitmatov avenue, 66, Bishkek, 720044, Kyrgyzstan
Osh Technological University named after Academician M.M. Adyshev, Osh, st. Isanov 81, 723503, Kyrgyzstan
Kyrgyz National Agrarian University named after K. I. Skryabin, Mederov str., 68, Bishkek, 720005, Kyrgyzstan
International Education Corporation KazGASA, Bostandyk district, K.Ryskulbekov str. 2, Almaty, 050043, Kazakhstan
Al-Farabi Kazakh National University, Institute of Information and Computer Technologies, Almaty, 050010, Kazakhstan
Kyrgyz State Technical University named after I. Razzakov
Osh Technological University named after Academician M.M. Adyshev
Kyrgyz National Agrarian University named after K. I. Skryabin
International Education Corporation KazGASA
Al-Farabi Kazakh National University
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