118-127
7
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>. Currently, one of the problems facing the Uzbekistan Railways JSC is that trains being accepted into the station from the lack of empty station tracks are waiting in front of the entrance traffic lights or at neighboring stations. As a result, the number ...
103-109
7
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>Despite the presence of large rivers such as Amudarya and Syrdarya, water distribution problems in Uzbekistan are aggravated by the large demand for water from agriculture and the drying up of the Aral Sea. The shift to growing water-intensive crops further...
82-88
10
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>In the article, the ordered values of the quantitative features describing the objects of samples of soft wheat varieties are divided into intervals based on the compactness check. Also, the issue of solving the problem of dividing the wheat varieties into ...
15-22
7
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>The causes of spoilage and deterioration of minerals extracted from the Tepaquton mining complex are systematically analyzed and the main causes of spoilage and deterioration are identified. In addition, reasonable proposals for reducing degradation and fai...
7-14
10
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>Problems with fluid accumulation at the bottom arise during the operation of gas and gas condensate wells. Since the number of fields that have passed the final stage of development is constantly growing, the problem of removing well fluid is becoming incre...
7-16
13
16 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>Today, due to the increase of hard-to-extract natural gas reserves in the world, as a result of the liquefaction of productive layers, the cases of the decrease in the flow rate of wells are increasing year by year. When using gas and gas condensate wells, ...
38-44
7
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>Due to the high temperature of solar thermochemical reactors that produce hydrogen, the glass that receives the concentrated light flux is deformed. Therefore, it is necessary to cool the bottle, which leads to the modernization of the reactor design.<br>Th...
107-112
9
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>The use of solar photovoltaic devices is becoming increasingly important in stabilizing energy security and solving environmental problems. Particular attention is paid to the scientific substantiation of factors affecting the efficiency of solar photovolta...
7-16
9
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
...
37-45
11
12 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>In this research work, the energy efficiency of the introduction of heat pumps into the energy supply systems of buildings in the conditions of Karshi city was evaluated based on the thermodynamic cycle of the heat pump operating on the basis of a low-tempe...
54-60
7
03 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>Development of technical solutions for increasing energy efficiency in gas processing enterprises, determining the potential of secondary energy resources and using them in the energy balance of the enterprise are urgent issues. The energy balance analysis ...
57-65
13
17 Nov, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>The heat requirement of an egg incubator working with solar energy is studied in the<br>article. In the determination, the following were made: there is a steady-state condition, onedimensional<br>heat flow prevails, the incubator materials have a constant ...
97-106
7
17 Nov, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>The article reviews current research and developments in the field of energy management and storage in the context of photovoltaic (PV) systems. The focus is on energy storage methods, such as electrical and thermal systems, and methods for managing reactiv...
77-81
10
17 Nov, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>Research in the field of hydrodynamic calculations of the flow of gas-liquid mixtures in pipelines has been carried out by many researchers. They theoretically and experimentally studied various hydraulic and hydrodynamic features of gas-liquid flows. Howev...
119-127
7
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>In the article, the one-year monitoring results of the 70kW on-grid solar station (SS) in the city of Termez, located in the southernmost part of Uzbekistan, are presented. Annual, monthly and daily energy production graphs were analyzed and it was determin...
111-118
10
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>The article provides an analysis of energy-efficient operating modes and parameters of cascade pumping stations.<br>The operating mode of pump stations in irrigation systems is determined by a number of parameters, including structural design, technological...
73-81
7
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>This article compares the parameters obtained in spring and summer seasons of photothermal battery (PV) and photoelectric battery (PVT) with a new type of cooling system. Solar radiation on the surface of the PVT increased the current density with the help ...
66-73
12
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>This article presents the results of research work on a modernized solar drying plant with indirect heat pipes and natural air ventilation. The dependences of temperatures, moisture content of the steam-air mixture and on the surface of the dried grapes, th...
58-56
7
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>The heat requirement of an egg incubator working with solar energy is studied in the article. In the determination, the following were made: there is a steady-state condition, one-dimensional heat flow prevails, the incubator materials have a constant therm...
50-57
7
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
<p>Heating systems of residential buildings, including typical rural houses, are energy-intensive consumers of thermal and electrical energy. Research shows that the energy consumption for heating 1.0 m² of living space in a typical rural house during the hea...