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EFFECTIVE SOLAR HOT WATER SYSTEM FOR NORTHERN TERRITORIES

https://doi.org/10.31675/1607-1859-2020-22-6-119-131

Abstract

Purpose. The aim of this work is to develop an effective solar hot water system, which eliminates the heat loss of the accumulated thermal energy in the storage tank due to the natural convection of the coolant in the hydraulic circuit of collectors.

Design technique. A fullscale experimental study concerns the negative effect of natural convection at night in the experimental industrial hybrid solar hot water system in the developed hard and software with remote access.

Results. The pilot industrial hybrid solar system with the improved hydraulic circuit and a soft and hardware system for dispatching and managing energy consumption with remote access was developed, built and tested for Northern territories.

Practical implications. The hydraulic circuit of collectors equipped with a controller for switching off the coolant provides the northern conditions to increase the thermal energy in storage tanks and the solar fraction of hot water systems, reduce the fuel consumption in additional system sources and the emission of harmful substances produced by the fuel combustion.

Originality/value. It is shown that the use of a solenoid valve to eliminate the natural convection increases the thermal energy storage in tanks by at least 50 % and the solar fraction of systems by at least 20 %.

About the Authors

Yu. O. Krivoshein
Tomsk State University of Architecture and Building
Russian Federation

Yuriy O. Krivoshein, Senior Lecturer

2, Solyanaya Sq, 634003, Tomsk



N. A. Tsvetkov
Tomsk State University of Architecture and Building
Russian Federation

Nikolay A. Tsvetkov, DSc, Professor

2, Solyanaya Sq, 634003, Tomsk



A. V. Tolstykh
Tomsk State University of Architecture and Building
Russian Federation

Aleksandr V. Tolstykh, PhD, A/Professor

2, Solyanaya Sq, 634003, Tomsk



A. N. Khutornoy
Tomsk State University of Architecture and Building
Russian Federation

Andrey N. Khutornoy, PhD, A/Professor

2, Solyanaya Sq, 634003, Tomsk



A. V. Kolesnikova
Tomsk State University of Architecture and Building
Russian Federation

Anna V. Kolesnikova, PhD, A/Professor

2, Solyanaya Sq, 634003, Tomsk



A. V. Petrova
Tomsk State University of Architecture and Building
Russian Federation

Alena V. Petrova, Research Assistant

2, Solyanaya Sq, 634003, Tomsk



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For citations:


Krivoshein Yu.O., Tsvetkov N.A., Tolstykh A.V., Khutornoy A.N., Kolesnikova A.V., Petrova A.V. EFFECTIVE SOLAR HOT WATER SYSTEM FOR NORTHERN TERRITORIES. Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture. 2020;22(6):119-131. (In Russ.) https://doi.org/10.31675/1607-1859-2020-22-6-119-131

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