Results 31 to 40 of about 188,536 (269)

combined heating systems of premises for breeding of young pigs and poultry [PDF]

FME Transactions, 2018
The use of traditional air heating systems in conjunction with supply ventilation for breeding of young animals in industrial conditions is not sufficiently effective.
Spodyniuk Nadiia, Zhelykh Vasyl, Dzeryn Oleksandra   +2 more
doaj  

Analysis of the reliability of heat supply from hybrid energy source based on WPP and CHPP [PDF]

E3S Web of Conferences, 2020
The paper is devoted to the problem of the reliability analysis the functioning of the hybrid energy source based on the wind power plant (WPP) and the combined heat and power plant (CHPP).
Postnikov Ivan
doaj   +1 more source

Concession Agreements in Heat Supply

Herald of Omsk University. Series: Law, 2020
Introduction. In the West, concessions are the most common form of public-private partnership in such sectors of the economy as telecommunications and communications (60 %), energy production and distribution (19 %), transport (18 %), and water supply (3 %). As a form of public-private partnership concession agreement pursues the goal
Lidia Makarova, Elena Nevzgodina
openaire   +1 more source

Detection of Gate Valve Leaks through the Analysis Fractal Characteristics of Acoustic Signal

Fractal and Fractional
This paper considers the possibility of using monofractal and multifractal analysis of acoustic signals to detect water leaks through gate valves. Detrended fluctuation analysis (DFA) and multifractal detrended fluctuation analysis (MF-DFA) were used ...
Ayrat Zagretdinov, Shamil Ziganshin, Eugenia Izmailova, Yuri Vankov, Ilya Klyukin, Roman Alexandrov   +5 more
doaj   +1 more source

Detection of Pipeline Leaks Using Fractal Analysis of Acoustic Signals

Fractal and Fractional
In this paper, the possibility of using monofractal and multifractal analysis of acoustic signals of pipelines to detect leaks is considered. An experimental stand has been created to study the fractal characteristics of acoustic signals of pipelines ...
Ayrat Zagretdinov, Shamil Ziganshin, Eugenia Izmailova, Yuri Vankov, Ilya Klyukin, Roman Alexandrov   +5 more
doaj   +1 more source

Monitoring Pipeline Leaks Using Fractal Analysis of Acoustic Signals

Fractal and Fractional
This paper proposes a method for searching for pipeline leaks by analyzing the Hurst exponent of acoustic signals. The investigations conducted on the laboratory setup and the current pipelines of the water supply system.
Ayrat Zagretdinov, Shamil Ziganshin, Eugenia Izmailova, Yuri Vankov, Ilya Klyukin, Roman Alexandrov   +5 more
doaj   +1 more source

Theoretical Foundations of Gas Hydrate Synthesis Intensification

Environmental and Climate Technologies, 2023
The methods of industrial production of gas hydrates are considered, their problems are identified, and a list of factors that are decisive for the intensification of mass exchange processes is outlined.
Kutnyi Bogdan, Pavlenko Anatoliy, Cherednikova Oleksandra   +2 more
doaj   +1 more source

Optimization of joint operation of district and distributed heat sources for effective and reliable heat supply to consumers

E3S Web of Conferences, 2018
The problem of optimal load distribution between district and distributed heat sources (heat sources of prosumers) in the district heating systems are considered. The methodical approach and mathematical model for solving this problem are proposed.
Postnikov Ivan, Stennikov Valery, Penkovskii Andrey   +2 more
doaj   +1 more source

Study of the aerodynamic regime of the cooling system of the foundations of buildings on the filling soil in the conditions of the Far North

MATEC Web of Conferences, 2018
During construction in the Far North, due to the preservation of permafrost soils, the buildings are arranged on piles and foundations on the bedding soil.
Ivanov Victor, Ivanova Anastasiya
doaj   +1 more source

District Heating as a Secure Heat Supply—A Question of Regulation

Energy & Environment, 2007
The trend in the district heating industry is toward increased privatization and openness to competition, which bring with them other phenomena associated with civil law, such as bankruptcies. Vingåker was one of six Swedish municipalities whose district heating companies went bankrupt in 2004.
openaire   +3 more sources