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FEATURES OF THE DEVELOPMENT OF HIGH-TECH AND HIGH-TECH INDUSTRIES

open access: yesВестник Северо-Кавказского федерального университета, 2022
The article deals with the theoretical aspects of the activities of high-tech and high-tech industries. The classification of industrial production by the level of manufacturability is given.
E. Merzlyakova, V. Sergeeva, N. Makarov
doaj   +2 more sources

Evaluating high-tech industries' technological innovation capability and spatial pattern evolution characteristics: Evidence from China

open access: yesJournal of Innovation & Knowledge, 2023
The development of high-tech industries in an open economy has become an inevitable requirement for all countries to enhance their competitive advantages and overall national strength. Technological innovation is a direct driving force for promoting high-
Wenjuan Tu   +3 more
doaj   +3 more sources

Feasibility Study of the CO2 Regenerator Parameters for Oxy-Fuel Combustion Power Cycle

open access: yesInventions, 2022
The atmosphere carbon dioxide content grows subsequently due to anthropogenic factors. It may be considerably mitigated by the development of thermal power plants with near zero emissions.
Vladimir Kindra   +4 more
doaj   +1 more source

Influence of Kinematic Parameters of Carbon Dioxide Turbine on Its Coefficient of Efficiency and Dimensions

open access: yesInventions, 2022
To reduce carbon dioxide emissions into the environment, the energy sector develops oxygen-fuel energy cycles. One of the most promising cycles is the Allam cycle that features the highest efficiency of electricity generation among all others. One of the
Sergey Osipov   +4 more
doaj   +1 more source

Structural and Parametric Optimization of S-CO2 Thermal Power Plants with a Pulverized Coal-Fired Boiler Operating in Russia

open access: yesEnergies, 2021
The Rankine cycle is widely used for electricity production. Significant weight and size characteristics of the power equipment working on superheated steam are the main disadvantages of such power plants.
Andrey Rogalev   +4 more
doaj   +1 more source

Thermodynamic Analysis of the Low-Grade Heat Sources for the Improvement in Efficiency of Oxy–Fuel Combustion Power Cycles

open access: yesInventions, 2023
Today, most of the electrical energy in the world is generated by fossil fuel incineration. This causes significant emissions of harmful substances into the atmosphere.
Ivan Komarov   +4 more
doaj   +1 more source

Hydrogen Technologies: A Critical Review and Feasibility Study

open access: yesEnergies, 2023
Nowadays, one of the most important areas in refining the energy sector in the developed countries is the transition to environmentally friendly technologies, and hydrogen energy production is the most promising of them.
Vladimir Kindra   +4 more
doaj   +1 more source

Comparative Analysis of Low-Grade Heat Utilization Methods for Thermal Power Plants with Back-Pressure Steam Turbines

open access: yesEnergies, 2021
Thermal power plants (TPPs) with back-pressure steam turbines (BPSTs) were widely used for electricity and steam production in the Union of Soviet Socialist Republics (USSR) due to their high efficiency. The collapse of the USSR in 1991 led to a decrease
Nikolay Rogalev   +5 more
doaj   +1 more source

Comparative Analysis of Energy Storage Methods for Energy Systems and Complexes

open access: yesEnergies, 2022
The daily non-uniform power demand is a serious problem in power industry. In addition, recent decades show a trend for the transition to renewable power sources, but their power output depends upon weather and daily conditions.
Nikolay Rogalev   +4 more
doaj   +1 more source

Asymmetric Method of Heat Transfer Intensification in Radial Channels of Gas Turbine Blades

open access: yesInventions, 2022
Loop and semi-loop cooling schemes are widely used for the high-temperature gas turbine blades. In such schemes, the mid-chord airfoil parts are traditionally cooled by radial channels with ribbed walls.
Sergey Osipov   +4 more
doaj   +1 more source

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