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VERIFICATION OF THE RELIABILITY OF THE THEORETICAL CALCULATION METHOD USED FOR ANALYZING THE TECHNICAL AND ECONOMIC INDICATORS OF A PHOTOVOLTAIC STATION

70-78 211 18 Jun, 2025

This article presents a newly developed method for theoretically calculating the annual power output of a stationary 810 kW grid-connected photovoltaic power plant located in the Kashkadarya region, known for its hot and dry climate. The results derived from t...

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COMBINED HEATING AND COOLING SYSTEMS WITH HEAT PUMPS AND RENEWABLE ENERGY IN UZBEKISTAN: ANALYSIS OF THE REGULATORY FRAMEWORK, A CASE STUDY CALCULATION, AND THE NEED FOR A NEW METHODOLOGY

32-53 311 18 Jun, 2025

The article is devoted to the analysis and demonstration of approaches to the calculation of combined heating and cooling systems using heat pumps and renewable energy sources (RES) under the conditions of Uzbekistan. Calculation results are presented, and the...

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PROBLEMS AND WAYS TO IMPROVE THE EFFICIENCY OF DEVELOPMENT OF THE URGA MULTI-LAYER GAS CONDENSATE FIELD

7-13 1287 29 Mar, 2025

The geological and physical conditions of the multi-layer gas condensate field Urga are presented. Using the material balance method, the drainable gas reserves were estimated. Low efficiency of field development was established based on a comparison of reserv...

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INNOVATIVE APPROACHES TO THE USE OF PASSIVE SOLAR HEATING SYSTEMS TO IMPROVE THE ENERGY EFFICIENCY OF AGRICULTURAL BUILDINGS AND STRUCTURES

110-117 115 23 Dec, 2024

Currently, in world practice, scientific research and design work is being carried out on the development and creation of passive solar heating systems. If the heat storage wall of a passive solar heating system consists of a perforated heat storage wall, then...

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METHOD FOR DETERMINING FRICTION FORCES IN PLATE TENSIONERS OF A SEWING MACHINEMETHOD FOR DETERMINING FRICTION FORCES IN PLATE TENSIONERS OF A SEWING MACHINE

96-102 224 23 Dec, 2024

The article provides information on a method for determining friction forces in disc tensioners of a sewing machine. This article presents calculation schemes for the implementation of plate and spring structures, graphs of the dependence of the friction force...

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ANALYSIS OF ARTICLES PUBLISHED IN THE SCOPUS DATABASE ON THE STUDY OF INCREASING THE ENERGY EFFICIENCY OF FLAT-PLATE SOLAR WATER HEATING COLLECTOR

42-49 110 16 Dec, 2024

The global transition to renewable energy sources has led to a dramatic increase in research and development in solar energy technologies. Among them, flat solar water heating collectors are attracting a lot of attention due to their potential to improve energ...

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