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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...
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 photovoltaic ...
The article describes the neotectonic maps of Southwest Gissar based on rank analysis methods. It is noted that all previous tectonic maps represent an interference pattern of overlapping elements formed as a result of various factors and their use leads to er...
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...
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...
The problem of increasing its economic efficiency based on the establishment of a fruit and vegetable cluster cooperation system in current agricultural practice is the economic efficiency of fruit and vegetable cooperation, taking into account their wide use ...
The main task of the design of earthen channels is to calculate the dimensions of the stable channel shape in which irreversible deformation of the channel cross-section does not occur. This article provides information on calculating the hydraulic parameters ...
. 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 ...
The fact that the world's energy resources are declining and their prices are regularly rising shows the importance of using energy efficient technologies for their rational use in the future. The authors analyzed the results of scientific research on the effi...
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...
Increasing hydrocarbon productivity through the rational use of gas and gascondensate fields is becoming urgent. By conducting a thermometric study on gas wells based on theobtained data on temperature distribution, it will be possible to solve such problems a...
The problem of evaluating the risk, efficiency and quality of use in preschool educational organizations, including the goals and tasks of outsourcing services, is one of the most urgent issues at the moment, because feeding, teaching and various activities of...
Geothermal energy sources are widely used as a renewable energy source in building heating and cooling systems. The thermal characteristics of underground heat exchange devices are crucial for the efficient operation of geothermal heat pumps (GHPs). This artic...
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 of ...
The heat requirement of an egg incubator working with solar energy is studied in thearticle. In the determination, the following were made: there is a steady-state condition, onedimensionalheat flow prevails, the incubator materials have a constant thermal con...
The article discusses the use of adaptive filters in modern modeling of dynamic control objects. Presents a type of adaptive filtering of digital signal processing in modern electronic equipment. Adaptive signal processing, which refers to adaptive filtering, ...
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,...
The presence of sulphate-repoding bacteria (SRB) in an oilfield system can have a negative impact on system performance, causing corrosion, clogging and deposit formation. Therefore, controlling and preventing the growth of SRB is an important task to ensure t...
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...
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