33-38
116
31 Mar, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article considers the mathematical modeling of hydrodynamic processes carried in a coal-burning furnace chamber of a gushing fluidized bed. As a result, an analytical dependence is obtained that determines the modes of motion of solid particles with differ...
20-32
134
31 Mar, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article analyzes the thermal efficiency of energy-active window units (EAWUs) for passive houses under the climatic conditions of Tashkent city (6th climatic zone of Uzbekistan) based on the Giovanni bioclimatic diagram. The study focuses on the role of w...
14-20
115
31 Mar, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article presents the results of an experimental study of the operation processes of a solar photovoltaic power plant (SPVPP) with a total capacity of 40 kW, connected directly to the power grid, for one year. To improve the reliability of the SPVPP, the nu...
48-53
120
29 Mar, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
Today, the problem of waste is one of the social, environmental, and energy problems not only in our country, but also in countries around the world. The article proposes a thermal scheme for a device designed for the thermal processing of municipal solid wast...
108-113
152
29 Mar, 2025
TECHNICAL SCIENCES
This article discusses the solution to the problem of identifying complex hidden relationships between varieties by clustering using the DBSCAN algorithm, dividing the characteristics of soft wheat varieties into groups (reflecting the growth and development o...
108-113
309
29 Mar, 2025
TECHNICAL SCIENCES
This article discusses the solution to the problem of identifying complex hidden relationships between varieties by clustering using the DBSCAN algorithm, dividing the characteristics of soft wheat varieties into groups (reflecting the growth and development o...
138-143
243
29 Mar, 2025
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article presents the results of research conducted on fields cleared of grain and the study of the physical and mechanical properties of the soil in these areas. The results obtained were used to maintain soil fertility in agriculture and create optimal co...
128-134
122
23 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Existing systems in the field of cooking oil production in our republic are designed to process the large quantities of raw materials, predominately of one type. Black cumin seeds cannot be processed. Production facilities for processing of black cumin seeds r...
33-41
114
16 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
It is known that the demand for energy in the world is increasing, traditional fuel resources are not evenly distributed on the globe, and the negative impact of carbon dioxide gases on the environment is high when using them. Today, determining the relative h...
69-74
109
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
One of the main tasks of salt transfer research is the selection of a mathematical model that corresponds to given conditions based on the study of the structural features of individual horizons of the studied rock strata, the patterns of movement of substance...
45-52
131
14 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
Using a solar simulator, a photoelectric-thermal system integrated into an open-loop air building with a working fluid was experimentally investigated. Options for building-integrated photovoltaic/thermal systems and systems using polycrystalline silicon photo...
61-68
103
12 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article analyzes experimental studies and their results on increasing the energy efficiency and reliability of electric vehicles.Experimental studies of direct start-up of the electric drive and start-up through a frequency converter, the obtained results...
37-45
114
12 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
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-temperat...
29-36
106
07 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
. In the world, there are strong trends in the use of renewable energy sources (RES) in the creation of energy-efficient systems of management of heat and fuel-energy resources.In this article, by utilizing the heat of secondary energy sources (wastewater) of ...
91-101
115
03 Dec, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
In modern conditions of intensive increasing the electricity consumption in all spheresof human activity, limited hydrocarbon fuel reserves, as well as the severity of environmentalproblems in the energy sector require the development and implementation of mor...
61-68
129
17 Nov, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The main goal of introducing gasification plants is to reduce harmful atmospheric emissions from direct combustion of coal, as well as to increase the service life of process equipment. The relevance of the work lies in the feasibility study of the implementat...
97-106
132
17 Nov, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
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 reactive p...
77-81
126
17 Nov, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
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. However,...
134-139
124
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
This article aims to provide recommendations for the selection and production of optimal repeat predecessor crops that ensure high-quality winter wheat harvest by preserving and increasing the productivity of saline meadow-alluvial soils of the Bukhara region....
128-133
151
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The аrticle is devoted to the cаlculаtion of a hydrаulic shock аbsorber with а diаphrаgm installed at the end of а pressure pipeline. Theoreticаl solutions of hyperbolic type wave equations for а polytropic process (n = 1.20) аre proposed.To dаmpen the intensi...