energyЭнергетика. Известия высших учебных заведений и энергетических объединений СНГENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations1029-74482414-0341BNTU10.21122/1029-7448-2025-68-4-367-384energy-2483Research ArticleТЕПЛОЭНЕРГЕТИКАНEAT POWER ENGINEERINGМоделирование и расчет параметров малой гелиотеплицы с целью повышения энергоэффективностиSimulation and Calculation of Parameters of a Small Solar Greenhouse in Order to Increase its Energy EfficiencyУзаковГ. Н.UzakovG. N.

Карши, Республика Узбекистан

Karshi, Republic of Uzbekistan

a-safarov91@mail.ruСеднинВ. А.SedninV. A.

Минск, Республика Беларусь

Minsk, Republic of Belarus

a-safarov91@mail.ruСафаровА. Б.SafarovA. B.

Адрес для переписки:

Cафаров Алишер Бекмуродович —

Каршинский государственный технический университет

просп. Мустакиллик, 225,

180100, г. Карши, Республика Узбекистан

Тел.: +998 90 299-41-24

a-safarov91@mail.ru

Address for correspondence:

Safarov Alisher Bekmurodovich —

Karshi State Technical University

225, Mustakillik Ave.,

180100, Karshi, Republic of Uzbekistan

Tel.: +998 90 299-41-24

a-safarov91@mail.ru

a-safarov91@mail.ruМамедовР. А.MamedovR. A.

Бухара, Республика Узбекистан

Bukhara, Republic of Uzbekistan

a-safarov91@mail.ruРахматовО. И.RakhmatovO. I.

Карши, Республика Узбекистан

Karshi, Republic of Uzbekistan

a-safarov91@mail.ruКаршинский государственный технический университетУзбекистанKarshi State Technical UniversityUzbekistanБелорусский национальный технический университетБеларусьBelarusian National Technical UniversityBelarusКаршинский государственный технический университет; Бухарский государственный технический университетУзбекистанKarshi State Technical University; Bukhara State Technical UniversityUzbekistanБухарский государственный технический университетУзбекистанBukhara State Technical UniversityUzbekistan202513082025684367384Copyright © Узаков Г.Н., Седнин В.А., Сафаров А.Б., Мамедов Р.А., Рахматов О.И., 20252025Узаков Г.Н., Седнин В.А., Сафаров А.Б., Мамедов Р.А., Рахматов О.И.Uzakov G.N., Sednin V.A., Safarov A.B., Mamedov R.A., Rakhmatov O.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://energy.bntu.by/jour/article/view/2483

В статье представлены результаты исследований, в ходе которых на примере климатических условий Кашкадарьинской области (Республика Узбекистан) разработана методика повышения энергоэффективности двухскатных солнечных теплиц. Литературный анализ показал наличие потенциала экономии энергии в тепличном хозяйстве агропромышленного сектора за счет оптимизации параметров солнечных теплиц. Одновременно показано, что, несмотря на обширность выполненных исследований в ряде стран в данном направлении, требуется продолжение изучения проблемы с выходом на практическое применение параметров их ориентации на местности для различных географических регионов по максимизации воспринимаемой суммарной солнечной радиации. В работе приведен анализ результатов исследований по установлению зависимости суммарной солнечной радиации, падающей на двухскатную теплицу, покрытую стеклом, с полезной площадью 50 м2, высотой стен 2 м и высотой ската крыши 1,5 м, от конструктивных параметров последней и траектории движения солнца. Моделирование режимов функционирования гелиотеплицы осуществлено в пакете MATLAB с учетом изменения параметров окружающей среды местности в период с 15 ноября 2023 г. по 15 марта 2024 г. с широтой местности 38,87° и ориентацией от 0 до 90° с интервалом 5°. В результате моделирования определены оптимальные параметры теплицы для приведенного выше периода (азимутальный угол поверхности γопт = 45°, угол наклона поверхности βопт = 50°) при максимальной суммарной солнечной радиации за указанный период, равной ∑Iмах = 35660 МДж, что превышает на 20 % радиацию для теплицы стандартных размеров. Обобщение результатов моделирования позволило разработать методику определения геометрических характеристик (размеров и параметров ориентации) солнечных двухскатных теплиц с заданными климатическими условиями по критерию максимизации падающей суммарной солнечной радиации в зимний период года, которая может быть распространена для применения на другие регионы Узбекистана с целью повышения энергоэффективности агропромышленного сектора.

The article presents the results of research, during which using the example of the climatic conditions of the Kashkadarya region (Republic of Uzbekistan) a methodology has been developed to increase the energy efficiency of double-slope solar greenhouses. A literature analysis has shown the potential for energy savings in the greenhouse farming of the agribusiness. At the same time, it is shown that, despite the extensive research carried out in a number of countries in this area, it is necessary to continue studying the problem of putting into practice the parameters of their orientation on the terrain for various geographical regions to maximize the perceived total solar radiation. The paper presents an analysis of the research results on the dependence of the total solar radiation incidence on a gable glass-roofed greenhouse with a usable area of 50 m2, a wall height of 2 m and a roof slope height of 1.5 m on the design parameters of the latter and the trajectory of the sun. The simulation of the solar greenhouse operation modes was carried out in the MATLAB package, taking into account changes in the environmental parameters of the area in the period from November 15, 2023 to March 15, 2024 with a latitude of 38.87° and an orientation from 0 to 90° with an interval of 5°. As a result of the simulation, the optimal parameters of the greenhouse were determined for the above period (azimuthal angle of the surface γopt = 45°, angle of inclination of the surface βopt = 50°) with the maximum total solar radiation for the specified period equal to ∑Imax = 35660 MJ, which exceeds by 20% the radiation for a standard-sized greenhouse. Generalization of the simulation results made it possible to develop a methodology for determining the geometric characteristics (dimensions and orientation parameters) of solar gable greenhouses with specified climatic conditions according to the criterion of maximizing the incident total solar radiation in winter, which can be extended to other regions of Uzbekistan in order to increase the energy efficiency of the agribusiness sector.

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The authors declare that there are no conflicts of interest present.