128-133
381
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...
119-127
356
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
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 determined ...
111-118
319
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article provides an analysis of energy-efficient operating modes and parameters of cascade pumping stations.The operating mode of pump stations in irrigation systems is determined by a number of parameters, including structural design, technological, and e...
103-110
345
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
The article discusses the issues of the efficiency of solar energy supply to electric motors of pumping units used in irrigation systems in different countries of the world. A methodology for calculating modern indicators of the economic efficiency of photovol...
73-81
293
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
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 of ...
58-56
339
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
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 thermal ...
50-57
277
25 Sep, 2024
GEOLOGICAL AND MINERALOGICAL SCIENCES
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 heating...