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Applied Sciences OPEN ACCESS

Determination Of Thermal Parameters Of Solar Water Heating Collectors Using The “Dark” Testing Method

Nizomjon Orifovich Usmonov
PhD, Associate Professor, Department Of “Thermodynamics And Heat Engineering”,Tashkent State Technical University, Uzbekistan
Xayrulla Sunnatullaevich Isakhojaev
PhD, Associate Professor, Department Of “Thermodynamics And Heat Engineering”, Tashkent State Technical University, Uzbekistan
Saodat Rakhsulaevna Akhmatova
Senior Lecturer, Department Of “Thermodynamics And Heat Engineering”, Tashkent State Technical University, Uzbekistan
Feruza Abdullaevna Khoshimova
Senior Lecturer, Department Of “Thermodynamics And Heat Engineering”, Tashkent State Technical University, Uzbekistan
DOI Crossref DOI 10.37547/tajas/Volume02Issue11-11
tajas 2020
VOL. 2 / NO. 11 NOVEMBER
FULL TEXT PP. 62-67
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VOLUME 2
ISSUE 11
YEAR 2020
PAGES 62-67
RESEARCH OVERVIEW

Abstract

In the production of flat solar water heating collectors, thermal testing occupies a special place, the purpose of which is to determine their thermal characteristics experimentally. The corresponding approximation expressions are proposed for determining the coefficient of heat loss, inclined to the horizon at an angle of 300 for the average conditions of their operation in the hot water supply system.

RESEARCH TOPICS

Keywords

Flat solar collector radiant heat exchange panel hot water supply system

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References

  1. Beckman W., Klein S., Duffy D.J. Calculation of solar heating systems. – Moscow. Energoizdat. 1982. – p. 80.
  2. Avezov R.R., Avezova N.R. Development of a “dark” method for determining heat engineering collectors for heating a heat transfer fluid. Proceedings of the International Conference “Fundamental and Applied Problems of Physics” November 5-6, 2015. - pp. 343-345.
  3. Avezov R.R., Vokhidov A.U., Usmonov N.O. Heat Transfer Coefficient from the Sheet-Piped Light-Absorbing Panels of the Flat-Plate Solar Water-Heating Collectors to the Heat Transfer Fluid in Their Heat-Removing Channels // Applied solar energy, 2018. №54. – pp. 168-172.
  4. Usmonov N.O., Khazratov A.G. Influence of an internal heat source on the temperature field and heat transfer through the translucent coating of flat solar installations. Collection of articles based on the materials of the XLIX international scientific-practical conference “Experimental and theoretical research in modern science” 2020. - №1 (44) - pp. 70-76.
  5. Usmonov N.O., Umarjanova F.Sh., Khashimova F.A. Flat solar water heating collectors are sources of thermal energy. Collection of articles based on the materials of the LVIII International Scientific and Practical Conference "Experimental and Theoretical Research in Modern Science" November 2020. - No. 10 (52) - pp. 54-58.
  6. Usmonov N.O., Isaxodjayev X.S. Influence of the internal heat source on the temperature field and transfer through light-translucent coating of flat solar plants // The American journal of engineering and technology. 30 july, 2020. Volume-II, Issue-VII. – 46-50 p. doi: 10.37547/tajet/volume02issue07-07