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Thematische Bibliographien / Gas environment of premises / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Gas environment of premises“

Autor: Grafiati

Veröffentlicht am 5. Juni 2025

Zuletzt aktualisiert am 1. August 2025

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1

Boris, Pospelov, Meleshchenko Ruslan, Krainiukov Olekcii, et al. "A METHOD FOR PREVENTING THE EMERGENCY RESULTING FROM FIRES IN THE PREMISES THROUGH OPERATIVE CONTROL OVER A GAS MEDIUM." Eastern-European Journal of Enterprise Technologies 1, no. 10 (103) (2020): 6–13. https://doi.org/10.15587/1729-4061.2020.194009.

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A method has been proposed to prevent anthropogenic emergencies caused by fire in the premises, based on using the current measure of increment recurrence in the vector of the gas environment state in order to detect possible dangers of maintenance personnel injuries and equipment destruction in the premises. The proposed measure makes it possible to monitor the dynamics of the gas environment state and to identify dangerous states caused by the emergence of fires in the premises at a facility. It has been shown that the gas environment in the premises a means for the transition of impacts fro

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Samsonov, Vladimir. "Ventilation currents in the turbulent environment of industrial premises." Construction and Architecture 10, no. 1 (2022): 26–30. http://dx.doi.org/10.29039/2308-0191-2021-10-1-26-30.

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The turbulent air environment in industrial premises intensively affects the characteristics of air and heat and gas jets and thereby the effectiveness of various industrial ventilation devices. This effect manifests itself in the accelerated expansion of the main sections of the jets and in the reduction of their range of action. Until recently, the influence of the intensity of air turbulence was not taken into account in the corresponding calculation and design methods. The article proposes methods for calculating air jets and the efficiency of open local suction, taking into account the in

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3

Pospelov, Boris, Ruslan Meleschenko, Yuliiy Bezuhla, Оlexander Yashchenko, Andrii Melnychenko, and Mykhailo Samoilov. "Bihoherentity of the dynamics of dangerous parameters of the gas environment during ignition of materials." Problems of Emergency Situations, no. 38 (November 2023): 252–66. http://dx.doi.org/10.52363/2524-0226-2023-38-17.

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The object of the study is the bicoherence of the dynamics of dangerous parameters of the gas environment during the ignition of materials in the premises. Part of the problem that was solved consists in identifying the features of the bicoherence of the dynamics of dangerous parameters of the gas environment in the absence and occurrence of fires in the premises. The results of the research indicate that the nature of the dynamics of the studied hazardous parameters of the gas environment in the absence and presence of material ignition is significantly different from the Gaussian distributio

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Pospelov, Boris, Yuliia Bezuhla, Oleksandr Yashchenko, et al. "Revealing the features of the third order phase spectrum of the main dangerous parameters of the gas medium." Eastern-European Journal of Enterprise Technologies 6, no. 10 (120) (2022): 63–70. http://dx.doi.org/10.15587/1729-4061.2022.268437.

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The object of this study is the dynamics of hazardous parameters of the gas environment when materials are ignited in the premises. The task addressed was the early detection of fires in the premises. It is proposed to resolve this issue on the basis of using an assessment of the coherence of frequency components in the third-order spectrum relative to the dynamics of hazardous parameters of the gas environment. The results indicate the nonlinear nature of the dynamics of hazardous parameters of the gas environment both in the absence and in the presence of fires. It was established that the a

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Boris, Pospelov, Bezuhla Yuliia, Yashchenko Oleksandr, et al. "Revealing the features of the third order phase spectrum of the main dangerous parameters of the gas medium." Eastern-European Journal of Enterprise Technologies 6, no. 10 (120) (2022): 63–70. https://doi.org/10.15587/1729-4061.2022.268437.

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The object of this study is the dynamics of hazardous parameters of the gas environment when materials are ignited in the premises. The task addressed was the early detection of fires in the premises. It is proposed to resolve this issue on the basis of using an assessment of the coherence of frequency components in the third-order spectrum relative to the dynamics of hazardous parameters of the gas environment. The results indicate the nonlinear nature of the dynamics of hazardous parameters of the gas environment both in the absence and in the presence of fires. It was established that the a

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6

Volodymyr, Sadkovyi, Pospelov Boris, Rybka Evgenіy, et al. "Development of a method for assessing the reliability of fire detection in premises." Eastern-European Journal of Enterprise Technologies 3, no. 10 (117) (2022): 56–62. https://doi.org/10.15587/1729-4061.2022.259493.

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The object of this study is the detection of fires in the premises. The problem that was solved is the development of tools to assess the reliability of detection of fires in the premises based on the recurrence of the vector of increases in dangerous parameters of the gas environment. The method includes the sequential implementation of five procedures related to the formation of the vector of current increases in dangerous parameters, determining the recurrence of the current vector and evaluating the empirical distribution function relative to the calculated current recurrence of the state

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Halmaghi, Elisabeta-Emilia, and Mihai-Marcel Neag. "Premises of Sustainable Development Concept Occurence." Land Forces Academy Review 24, no. 1 (2019): 45–53. http://dx.doi.org/10.2478/raft-2019-0005.

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Abstract It has long been considered that the environment can withstand all the pressure exerted by human activities on it: extensive agriculture, pesticide use, strong industrialization, noxious gas emissions into the atmosphere, toxic product discharge into lakes, rivers, seas and oceans, massive deforestation to obtain new areas for housing or agriculture. The result was environmental and soil degradation, increased water and/or air pollution, climate change, biodiversity loss, the disappearance of plant and/or animal species, the depletion of some natural resources. These environmental cha

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8

Pospelov, Boris, Ruslan Meleshchenko, Yuliia Bezuhla, et al. "Revealing the peculiarities of asymmetry and kurtosis coefficients of gas medium parameters in premises during fire." Eastern-European Journal of Enterprise Technologies 3, no. 10 (123) (2023): 39–47. http://dx.doi.org/10.15587/1729-4061.2023.280742.

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The object of the study is the coefficients of asymmetry and excess of the selective distribution of hazardous parameters of the gas environment during material fires. The practical importance of the research lies in the use of measures of asymmetry and kurtosis for early detection of fires. The measures of asymmetry and kurtosis for sampling the final size of an arbitrary dangerous parameter of the gas environment are substantiated. The proposed measures make it possible to investigate the peculiarities of the coefficients of asymmetry and kurtosis in relation to the selective distribution of

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Andreev, Leonid, Vladimir Yurkin, and Yekaterina Basumatorova. "The purification of the environment from hydrogen sulphide by using wet electro-filter." E3S Web of Conferences 135 (2019): 01029. http://dx.doi.org/10.1051/e3sconf/201913501029.

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As a result of industrialization modern agro-industrial production and development of the industrial base, animal production meets with some problems. Without solving this problem, further, development becomes difficult. One such problem related to increasing a specific density of planting animals on limited. As a result, this problem leads to worsening sanitation and hygiene on the territory of animal stock and outside. One of the most hazardous and dangerous gas components is hydrogen sulfide. This component generates in animal premises. The hydrogen sulfide is very dangerous for animals, pe

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Pospelov, Boris, Yuliia Bezuhla, Yurii Kozar, et al. "Features of the coefficient of variation of parameters of the gas environment in fire in the premises." Eastern-European Journal of Enterprise Technologies 6, no. 10 (126) (2023): 58–64. http://dx.doi.org/10.15587/1729-4061.2023.293279.

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The object of the study is the selective coefficient of variation of dangerous parameters of the gas environment during the ignition of materials. The measure of the sample coefficient of variation of an arbitrary hazardous parameter of the gas environment observed at an arbitrary time interval is substantiated. The representativeness error of the measure of the sampling coefficient of variation, which depends on the value of the measure and the sample size, was determined. The measure allows you to numerically determine its value for an arbitrary observation interval. The difference in the me

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Baballe, Muhammad Ahmad, and Mukhtar Ibrahim Bello. "Gas Leakage Detection System with Alarming System." Review of Computer Engineering Research 9, no. 1 (2022): 30–43. http://dx.doi.org/10.18488/76.v9i1.2984.

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This system aims to present a design that can automatically detect, alarm, and control gas leakage using an exhaust fan to suck the gas away from the premises where there is leakage. This system detects the nature of gas using LEDs (red and green). The alarm gives a sound when gas leakage is detected, the exhaust fan sucks the gas away from the premise, and the Liquid Crystal Display (LCD) indicates the system performance at any distortion condition. The Arduino UNO is used as the main controller of the system, and the buzzer is used as a means of notification. One of the prophylactic means to

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Boris, Pospelov, Rybka Evgenіy, Samoilov Mikhail, et al. "Defining the features of amplitude and phase spectra of dangerous factors of gas medium during the ignition of materials in the premises." Eastern-European Journal of Enterprise Technologies 2, no. 10 (116) (2022): 57–65. https://doi.org/10.15587/1729-4061.2022.254500.

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This paper theoretically substantiates research into the spectral features of the dynamics of the main dangerous parameters of a gas environment when igniting materials in a laboratory chamber. Studying such spectral features is based on the calculation of the direct discrete Fourier transform for discrete measurements, equal in number, over the current intervals of observation of the hazardous examined parameter of the gas medium before and after the material is ignited. In this approach, a Fourier discrete transform makes it possible to determine the instantaneous amplitude and phase spectra

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Viacheslav, Berezutskyi, Hondak Inna, Berezutska Nataliia, Dmitrik Vitaly, Gorbenko Veronika, and Makarenko Viktoriia. "ASSESSMENT AND PREVENTION OF THE PROPAGATION OF CARBON MONOXIDE OVER A WORKING AREA AT ARC WELDING." Eastern-European Journal of Enterprise Technologies 3, no. 10(99) (2019): 38–49. https://doi.org/10.15587/1729-4061.2019.170510.

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This paper reports a study of air environment at industrial premises where welding processes take place, with special attention paid to the formation of carbon monoxide (oxide) (CO) in the working environment in the process of manual arc welding. We have given the classification of basic harmful substances generated during welding and related processes in terms of the character of negative influence on the body of a welder. A mathematical model of the dynamics of change in the concentration of carbon monoxide in the air of a working area has been constructed, based on the amount of a harmful s

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Pospelov, Boris, Evgenіy Rybka, Mikhail Samoilov, et al. "Defining the features of amplitude and phase spectra of dangerous factors of gas medium during the ignition of materials in the premises." Eastern-European Journal of Enterprise Technologies 2, no. 10 (116) (2022): 57–65. http://dx.doi.org/10.15587/1729-4061.2022.254500.

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This paper theoretically substantiates research into the spectral features of the dynamics of the main dangerous parameters of a gas environment when igniting materials in a laboratory chamber. Studying such spectral features is based on the calculation of the direct discrete Fourier transform for discrete measurements, equal in number, over the current intervals of observation of the hazardous examined parameter of the gas medium before and after the material is ignited. In this approach, a Fourier discrete transform makes it possible to determine the instantaneous amplitude and phase spectra

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15

Ganova, S. D. "GEOECOLOGICAL ASPECTS OF THE CREATION AND FUNCTIONING OF THE NATURAL-TECHNIC SYSTEMS UNDER THE CONDITIONS OF THE WESTERN SIBERIA CRYOLITHIC ZONE." Proceedings of higher educational establishments. Geology and Exploration, no. 5 (October 28, 2017): 58–64. http://dx.doi.org/10.32454/0016-7762-2017-5-58-64.

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The lithotechnical, natural-technical, and geoecological, rarely - natural-technical geoecological systems (NTGES), which refer to the material type, are the most popular in the geoecological research, according to the their purpose. Under the conditions of cryolithic zone of Western Siberia, one of the most dangerous NTGES is a system «objects of the gas transportation - environment», as it includes all the components of the environment and complex transportation infrastructure, which provides the main transportation of the gas and ties together the individual components of the gas complex, i

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Bukhtiyarov, Igor V., Nikolay V. Shestopalov, Denis V. Vinnikov, Dmitry V. Glukhov, Elena S. Pochtareva, and Svetlana L. Dgergeniya. "State and prospects of hygienic regulation of the production environment with a reduced oxygen content (literature review)." Hygiene and sanitation 100, no. 6 (2021): 594–97. http://dx.doi.org/10.47470/0016-9900-2021-100-6-594-597.

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The work is devoted to the physiological and hygienic foundations of the safety of activities in the conditions of the changed gas environment and characteristics of the main medical measures for the employees’ protection in a hypoxic environment, the analysis of domestic and foreign data, the study of working conditions in the environment with the reduced oxygen concentration in the air. Investigations were carried out on premises with various technological processes, a changing environment, and a reduced oxygen concentration when employees perform multiple operations. The health status of wo

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Pospelov, Boris, Vladimir Andronov, Evgenіy Rybka, et al. "Empirical cumulative distribution function of the characteristic sign of the gas environment during fire." Eastern-European Journal of Enterprise Technologies 4, no. 10 (118) (2022): 60–66. http://dx.doi.org/10.15587/1729-4061.2022.263194.

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The object of this study is the dynamics of a characteristic sign of an increment in the state of the gaseous medium in the premises when a thermal source of fire appears. The subject of the study is the type of an empirical cumulative function of the distribution of dynamics of a characteristic sign of an increment in the state of the gaseous medium in the absence and appearance of a thermal source of fire in the premises. As a characteristic feature, the probability of non-recurrence of the increments of the vector of states of the gaseous medium was chosen. The results of the study make it

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Bily, Viktor. "MODERN APROACH TO MICROCLIMATE CONTROL ON BOARD SHIPS." Scientific Journal of Polonia University 49, no. 6 (2022): 146–53. http://dx.doi.org/10.23856/4919.

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Ambient and indoor air pollution have high impact on public health. Safety of indoor air is crucial for well-being and stress tolerance of seafarers due to their prolonged stay in the environment characterized by adjacency of work and leisure premises. Flaws in ventilation and air distribution systems may lead to infiltration and accumulation of pollutants in air of living and recreation premises. However, available onboard HVAC systems designs are not fit to ensure cleanliness and quality of the indoor air of ships accommodation. In this study a new approach for indoor air quality management

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Pospelov, Boris, Evgenіy Rybka, Alexander Savchenko, et al. "Peculiarities of amplitude spectra of the third order for the early detection of indoor fires." Eastern-European Journal of Enterprise Technologies 5, no. 10 (119) (2022): 49–56. http://dx.doi.org/10.15587/1729-4061.2022.265781.

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The object of this study is the dynamics of hazardous parameters of the gas environment during the ignition of materials. The problem that was solved is the early detection of fires in the premises. The research results indicate the nonlinear nature of the dynamics of hazardous parameters of the gas environment in the absence and presence of materials ignition. It was established that the bispectrum amplitude, in contrast to the amplitude spectrum of the hazardous parameters of the gas medium, contains information on the reliable detection of fires. As such information, the value of the positi

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Bulgakov, A. B., S. P. Vashchuk, and R. A. Panshin. "Application of gas analyzers for the control of fuel in the air environment of rocket and space industry enterprises." VESTNIK of Samara University. Aerospace and Mechanical Engineering 20, no. 3 (2021): 110–18. http://dx.doi.org/10.18287/2541-7533-2021-20-3-110-118.

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The presented work shows the necessity of organization of individual instrumental control of the content of rocket fuel and its products in the air of rocket-space industry enterprises. No accurate analysis of gas analyzers presented on the Russian market, providing individual instrumental control of concentrations of heptyl and its derivatives in the workplace air is available. Therefore, the task of express, automatic, selective and simultaneous monitoring of heptyl vapors and derivatives of its transformation in the air of industrial premises by one instrument and replacing the imported gas

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Boris, Pospelov, Andronov Vladimir, Rybka Evgenіy, et al. "Empirical cumulative distribution function of the characteristic sign of the gas environment during fire." Eastern-European Journal of Enterprise Technologies 4, no. 10 (118) (2022): 60–66. https://doi.org/10.15587/1729-4061.2022.263194.

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The object of this study is the dynamics of a characteristic sign of an increment in the state of the gaseous medium in the premises when a thermal source of fire appears. The subject of the study is the type of an empirical cumulative function of the distribution of dynamics of a characteristic sign of an increment in the state of the gaseous medium in the absence and appearance of a thermal source of fire in the premises. As a characteristic feature, the probability of non-recurrence of the increments of the vector of states of the gaseous medium was chosen. The results of the study make it

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Shaptala, V. V., K. I. Logachev, and E. E. Khukalenko. "Computer Modeling and Calculation of the Ventilation Systems for Workplaces and Premises of Electric Welding Production." Occupational Safety in Industry, no. 10 (October 2021): 13–20. http://dx.doi.org/10.24000/0409-2961-2021-10-13-20.

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The most important means of protecting the labor of electric welders is local exhaust ventilation, if required supplemented by general exchange ventilation of electric welding rooms, which contributes to maintaining the normalized state of the air environment. In real conditions, the dust-gas environment of the welding station is influenced by a combination of factors such as the location of welders breathing zone, the relative location of the welding point, and the suction opening of the exhaust device, and the air mobility associated with the aerodynamic interaction of the supply and exhaust

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Khrapskii, S. F., and E. A. Bedrina. "Fire detection system call points types selection based on the gas and smoke environment physical parameters dynamic study in different premises." Journal of Physics: Conference Series 2182, no. 1 (2022): 012053. http://dx.doi.org/10.1088/1742-6596/2182/1/012053.

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Abstract Fire detection system call points types selection is determined by the gas-smoke environment prevailing physical parameter in fire case and by this parameter change dynamic as combustion develops. Obtaining of practically important information about the gas-smoke environment prevailing parameters during a fire, their changes dynamic and the time when they reach the threshold values for call points for real objects is possible on the numerical studies results basis using the FDS program complex modeling heat and mass transfer and gas dynamic processes occurring during a fire. The perfo

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Овчинников, А. С., М. Н. Жерлыкина, Н. В. Колосова, and К. В. Гармонов. "FIRE AND EXPLOSION SAFETY PREDICTION OF VENTILATION SYSTEMS FOR INDUSTRIAL PREMISES WITH EXCESS HEAT." Housing and utilities infrastructure, no. 3(26) (October 13, 2023): 59–68. http://dx.doi.org/10.36622/vstu.2023.26.3.006.

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Рассмотрены вопросы пожаровзрывобезопасности в системах вентиляции производственных помещений с утилизацией теплоты уходящего воздуха. В статье рассматривается методика прогнозирования взрывоопасной ситуации, возникающей при движении парагазовоздушной среды по элементам промышленной системы вентиляции. Исследования выполнены на примере производственно-ремонтной базы со стендом двигателей внутреннего сгорания, работающего на дизельном топливе. Выполнена количественная оценка поступления вредных веществ в объем производственного помещения в ходе технологического процесса. Подтверждено соблюдение

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Boris, Pospelov, Rybka Evgenіy, Savchenko Alexander, et al. "Peculiarities of amplitude spectra of the third order for the early detection of indoor fires." Eastern-European Journal of Enterprise Technologies 5, no. 10 (119) (2022): 49–56. https://doi.org/10.15587/1729-4061.2022.265781.

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The object of this study is the dynamics of hazardous parameters of the gas environment during the ignition of materials. The problem that was solved is the early detection of fires in the premises. The research results indicate the nonlinear nature of the dynamics of hazardous parameters of the gas environment in the absence and presence of materials ignition. It was established that the bispectrum amplitude, in contrast to the amplitude spectrum of the hazardous parameters of the gas medium, contains information on the reliable detection of fires. As such information, the value of the positi

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Karpov, Denis Fedorovich, Khristina Maksudovna Vafaeva, Mikhail Vasilyevich Pavlov, et al. "Parametric Analysis of a Radiant Gas Heating System for Controlled-Environment Agriculture with Preheated Ventilation." E3S Web of Conferences 511 (2024): 01010. http://dx.doi.org/10.1051/e3sconf/202451101010.

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This article explores the fundamental principles of the software method for calculating the gas-fired heating system of a cultivation structure, where the main source of heat is provided by ceiling-mounted gas infrared radiators. To maintain the required thermal regime within the premises, a gas air heater is utilized, designed to preheat the outdoor air to the necessary temperature before supplying it to the heated space.The calculation method is based on solving a system of interconnected equations of thermal and material balances for the cultivation structure, its enclosure, and the soil su

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Ivanov, Yury, and Nicolai Novikov. "Dual-channel digital control of energy consumption and air supply in microclimate systems of livestock premises." IOP Conference Series: Earth and Environmental Science 937, no. 3 (2021): 032002. http://dx.doi.org/10.1088/1755-1315/937/3/032002.

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Abstract The problem of livestock premises air environment parameters ensuring in terms of temperature, humidity and CO2 gas content, established by zoo technical standards, is considered. The problem is formulated as a problem with non-linearity object and consists in its phase (temperature, humidity and CO2 gas content) coordinates stabilizing by the premises heating capacity and its air exchange intensity controlling. A mathematical model of control object’s dynamics parameters based on material flows and energy balance equations is developed. A cyclic algorithm for this problem solving has

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KIRSANOV, VLADIMIR V. "Development of a parametric model for determining the gas composition of the air environment (ammonia, hydrogen sulfide, carbon dioxide) of livestock premises." Agricultural Engineering, no. 3 (2023): 13–22. http://dx.doi.org/10.26897/2687-1149-2023-3-13-22.

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Indoor climate parameters influence the productivity of animals and their physiological condition. Exceeding permissible concentrations of gases leads to animal diseases, loss of productivity, and the mortality of young cattle. Therefore, it is reasonable to predict the concentration of gas composition in the livestock houses. To determine and distribute harmful gases (ammonia, hydrogen sulphide, and carbon dioxide) in the livestock house, the authors performed the 3D modeling of a fragment of the farm in the SolidWorks 2020 software package. Parametric models of gas movement under different c

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Boniface, Adoyi, A. Y. Nasir, and A. M. Hassan. "Arduino based gas leakage and temperature monitoring and control system." International Journal of Informatics and Communication Technology (IJ-ICT) 9, no. 3 (2020): 171. http://dx.doi.org/10.11591/ijict.v9i3.pp171-178.

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<span lang="EN-US">Gas leakage is a major problem with industrial sectors, residential premises and gas powered vehicles like CNG (Compressed Natural Gas) buses etc. One of the preventive methods to stop accidents associated with the gas leakage is to install a gas leakage detection device at vulnerable places. The aim of this project is to develop such a device that can automatically detect and control gas leakages and also monitor temperature in vulnerable areas. The system detects the leakage of the LPG (Liquefied Petroleum Gas) using a gas sensor and then also monitors the temperatur

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Borisov, Boris Vladimirovich, Geniy Vladimirovich Kuznetsov, Vyacheslav Ivanovich Maksimov, Tatiana Aleksandrovna Nagornova, and Felix Yurievich Salikhov. "Concentration of CO2 in the Local Working Area during the Joint Operation of a Gas Infrared Heater and an Air-Exchange System." Energies 17, no. 1 (2023): 155. http://dx.doi.org/10.3390/en17010155.

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The formation of local areas in large buildings with regulated thermal conditions is an urgent task. The use of gas infrared heaters for this purpose raises questions on the utility of an air-exchange system and the monitoring of the combustion product concentration. In this study, the modeling of heat transfer processes on premises with a gas infrared heater and an air-exchange system was conducted. The carbon dioxide concentration in the local working area when using a light-type gas infrared heater was determined. The regularities of current formation for circulating air and combustion prod

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Tuzhikov, E. N. "EXPERIMENTAL CHECK OF EFFECTIVE MANAGEMENT OF LINKS OF GAS AND SMOKE PROTECTIVE SERVICE AT INTRODUCTION OF SENSORS OF A MOTIONLESS STATE." Herald of Dagestan State Technical University. Technical Sciences 45, no. 4 (2019): 12–132. http://dx.doi.org/10.21822/2073-6185-2018-45-4-124-132.

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Objectives The environmental factors at the fire that affect the efficiency of the operational activities of fire and rescue units in an unfit environment for breathing and statistical information on the functioning of the gas and smoke protection service in regions of the Russian Federation are given. Method The methodology for conducting experiments with groups of reconnaissance to search for an injured firefighter is given. A description of the location of the experiment and the algorithm for the movement of reconnaissance groups are presented. Result Results of experiments on the actions o

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Isaev, Volodymyr, Evgen Patrashku, and Iryna Kovaleva. "Mathematical analysis and modelling of reducing radon radiation activity in the building." Ventilation, Illumination and Heat Gas Supply 52 (June 22, 2025): 6–19. https://doi.org/10.32347/2409-2606.2025.52.6-19.

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Analytical dependencies for determining the concentration of Radon 222 (222Rn) in the air of premises for various purposes where gas leaks through leaks or cracks in the building envelope (bomb shelters, basements, semi-basement non-residential and residential premises of the first to third floors of buildings and structures) were obtained. Based on the obtained formulas, it became possible to calculate the change in gas concentration in the investigated space. The developed mathematical model, which uses ANSYS CFD (Computational Fluid Dynamics) simulation, confirmed the results of the calcula

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Hamzah, Nurul Husna Che, Azira Sanusi, Nozieana Khairuddin, Nor Shafinaz Azman, and Azizul Hakim Lahuri. "Public Practice, Knowledge and Attitude on Managing Kitchen and Food Wastes in Bintulu, Sarawak, Malaysia." International Journal of Environmental Science and Development 13, no. 4 (2022): 118–23. http://dx.doi.org/10.18178/ijesd.2022.13.4.1381.

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Kitchen and food wastes discarded from the food related premises contributes to the high proportion of organic waste that end up in its landfill. The methane gas released during the dumping of food waste at the landfills is unsafe because the gas is flammable, and it is also a strong greenhouse gas. To tackle this problem, efforts are necessary to reduce the kitchen waste generated and to manage the disposal of waste sustainably. However, for this initiative to be successful, the owners and workers in food sector play an important role. The main objective of this study was to evaluate the prac

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Tolok, Igor, Boris Pospelov, Evgeniy Rybka, et al. "Identifying the features in histograms of increments in hazardous parameters of the gas environment at the ignition of materials in unhermetic premises." Eastern-European Journal of Enterprise Technologies 1, no. 10 (133) (2025): 37–44. https://doi.org/10.15587/1729-4061.2025.322806.

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The object of this study is the histograms of increments in hazardous parameters of the gas environment in a leaky room in the absence and presence of fires of materials. The task of early detection of fires of materials in rooms was addressed. A methodology for determining the histograms of increments of arbitrary hazardous parameters based on samples of arbitrary size from controlled parameters was substantiated. A laboratory experiment was performed to identify the features of the histograms of increments of carbon monoxide concentration, specific optical density of smoke and temperature of

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Costache, Ioana Cristina, and Iuliana-Mihaela Sundri. "RESEARCH BASED ON THE CONCENTRATION OF PARTICULATE MATTER FROM DIFFERENT LOCATIONS OF CONSTANȚA." Journal of Marine Technology and Environment, no. 2 (April 1, 2025): 35–39. https://doi.org/10.53464/jmte.01.2025.06.

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In this paper, we propose to analyse the air quality in the urban environment, respectively in the city of Constanta. The sources of pollution are multiple, both for the air outside and for the air inside: solid and liquid particles, gas emissions from vehicle exhaust, from industrial sources, cleaning products. All these sources of pollution constitute a real danger for human health, some being even toxic. 4 locations were chosen for measurements and the concentrations of PM2.5, PM10 particles were measured, after which the risk level was established in the period April-May 2024, comparing th

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Kriyt, Vladimir E., Yu N. Sladkova, E. A. Badaeva, V. V. Smirnov, and E. V. Zaritskaya. "ON THE ISSUE OF HYGIENIC REQUIREMENTS FOR AIR QUALITY OF ENCLOSED SPACES AT HOUSING CONSTRUCTION PROJECTS AT THE STAGE OF COMMISSIONING." Hygiene and sanitation 98, no. 6 (2019): 608–12. http://dx.doi.org/10.18821/0016-9900-2019-98-6-608-612.

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Introduction. In accordance with Presidential Decree No. 204 of May 7, 2018, one of the national development goals of the Russian Federation is to improve the living conditions of citizens. The increase in the volume of standard housing construction and the introduction of advanced technologies in the design and construction will lead to the need to develop clear rules for conducting laboratory and instrumental studies of human-environment parameters when commissioning construction or renovation facilities. The emission of harmful substances in the air of closed premises, which should not have

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Khrapsky, S. F., and E. A. Bedrina. "FIRE DETECTION SYSTEM CALL POINTS TYPES SELECTIONBASED ON THE GAS AND SMOKE ENVIRONMENT PHYSICAL PARAMETERS DYNAMIC STUDY IN DIFFERENT PREMISES." Dynamics of Systems, Mechanisms and Machines 9, no. 3 (2021): 041–45. http://dx.doi.org/10.25206/2310-9793-9-3-41-45.

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Выбор типов извещателей системы обнаружения пожара определяется превалирующим физическим параметром газодымовой среды при пожаре и динамикой изменения этого параметра по мере развития горения. Получение практически важной информации о превалирующих параметрах газодымовой среды при пожаре, динамики их изменения и времени достижения ими пороговых для пожарных извещателей значений для реальных объектов возможно на основе результатов численных исследований с использованием программного комплекса FDS, моделирующего протекающие при пожаре тепломассообменные и газодинамические процессы. Выполненные р

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Dudek, Adrian. "Wpływ warunków środowiskowych i instalacyjnych na proces wymiany ciepła w wybranych przemysłowych gazomierzach miechowych." Nafta-Gaz 76, no. 11 (2020): 828–36. http://dx.doi.org/10.18668/ng.2020.11.08.

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Since 2016, Oil and Gas Institute – National Research Institute (INiG – PIB) has been conducting new research to determine the relationship between ambient temperature and gas temperature in industrial diaphragm gas meters during the measurement, and to develop new recommendations for billing systems using industrial diaphragm gas meters with a throughput of until 25 m3/h. In the first stage, work was carried out, in which the obtained test results confirmed that the heat exchange process in an industrial diaphragm gas meter depends on the ambient temperature, the gas temperature at the inlet

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Reste, Jelena, Ilona Pavlovska, Zanna Martinsone, Andris Romans, Inese Martinsone, and Ivars Vanadzins. "Indoor Air Radon Concentration in Premises of Public Companies and Workplaces in Latvia." International Journal of Environmental Research and Public Health 19, no. 4 (2022): 1993. http://dx.doi.org/10.3390/ijerph19041993.

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Considering the multitudes of people who spend their time working indoors in public premises and workplaces, it is worth knowing what their level of exposure is to natural radioactive radon gas, the second most widespread and dangerous carcinogen for lung cancer development after cigarette smoking. This state-level study covered most of the territory of Latvia and conducted 941 radon measurements with Radtrack2, placed for 4–6 months in the premises of public companies, educational institutions, medical care institutions, etc. The study found that 94.7% of samples did not exceed the national p

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Pospelov, Boris, Evgeniy Rybka, Yuliia Mykhailovska, Yuliia Bezuhla, and Andriy Melnychenko. "Method for Detecting Fire Indoors Based on Differences in Sample Averages of an Arbitrary Gas Environment Dangerous Parameter at Adjacent Observation Intervals." Defect and Diffusion Forum 437 (October 7, 2024): 91–102. http://dx.doi.org/10.4028/p-qlz4ob.

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The object of the research is the series average of the dangerous parameters of the gas environment during the ignition of materials. The practical importance consists of using the difference between the average dangerous parameters of the gas environment on the intervals of absence and the presence of ignition to detect the ignition of materials. The theoretical substantiation of the method of detecting fires in premises is carried out based on sample averages fixed samples of current measurements of an arbitrary, dangerous parameter of the gas environment, which correspond to the general pop

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Borisov, Boris Vladimirovich, Alexander Vitalievich Vyatkin, Geniy Vladimirovich Kuznetsov, Vyacheslav Ivanovich Maksimov, and Tatiana Aleksandrovna Nagornova. "Analysis of the Influence of the Gas Infrared Heater and Equipment Element Relative Positions on Industrial Premises Thermal Conditions." Energies 15, no. 22 (2022): 8749. http://dx.doi.org/10.3390/en15228749.

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The creation of local heated areas in large-sized premises using systems based on gas infrared heaters has recently become the most rational alternative in terms of energy efficiency. However, the lack of information about the thermal characteristics in such areas limits the effective application of these systems. To determine the main thermal parameters characterizing the scheduled thermal conditions in heated local working areas of industrial premises, experimental and mathematical modeling of heat transfer processes in a closed area with the presence of equipment in it was carried out. The

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Putsev, D. I., Yu V. Krivtsov, Yu M. Groshev, and N. A. Lobanova. "Evaluating feasibility of field modeling of fire to calculate fire characteristics in buildings and premises." Bulletin of Science and Research Center of Construction 37, no. 2 (2023): 37–70. http://dx.doi.org/10.37538/2224-9494-2023-2(37)-37-70.

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Introduction. The present paper describes application of a software package using a field model of fire dynamics to calculate fire characteristics in buildings and premises of nuclear power plants (NPP). The authors give necessary justifications for using the software package in performing fire calculations in multifunctional buildings and premises.Aim. To analyze different fire modeling methods, their application and use of the software package for field modeling of fire dynamics to determine the dynamics of fire hazards in complex premises, in facilities with non-uniform fire loads or comple

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Pospelov, Boris, Evgenіy Rybka, Olekcii Krainiukov, et al. "Method for early ignition detection based on the sampling dispersion of dangerous parameter." Eastern-European Journal of Enterprise Technologies 1, no. 10 (127) (2024): 55–63. http://dx.doi.org/10.15587/1729-4061.2024.299001.

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The object of the study is the selective dispersion of dangerous parameters of the gas environment during material fires. The practical importance of research consists in using the difference of sample dispersions of dangerous parameters of the gas environment on the intervals of absence and presence of ignition of materials for detection of ignition. The theoretical substantiation of the method of detecting fires in premises based on sample dispersions of current measurements of an arbitrary dangerous parameter of the gas environment, corresponding to the general populations of reliable absen

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Каминский, В. Ю., Д. А. Скороходов, and М. Л. Маринов. "Systematization of environmental factors of the environment ship's crew." MORSKIE INTELLEKTUAL`NYE TEHNOLOGII), no. 1(51) (March 2, 2021): 53–63. http://dx.doi.org/10.37220/mit.2021.51.1.008.

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Среда обитания судового экипажа определяет его работоспособность и оказывает влияние на эффективность принимаемых решений в нормальных и аварийных ситуациях. Рассмотрены основные факторы, формирующие среду обитания: состав воздуха служебных помещений, освещенность и светоцветовое оформление, шум, вибрация, производственные излучения и электромагнитные поля. Проанализированы возможности адаптации организма к специфическим условиям среды обитания. Приведён перечень необходимого оборудования, которое используется для защиты персонала, в том числе стационарные газоанализаторы, обеспечивающие замер

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Alexey L., Toropov. "A wall-mounted gas convection boiler with an atmospheric burner operating in the double modulation mode." Stroitel'stvo: nauka i obrazovanie [Construction: Science and Education] 12, no. 2 (2022): 50–61. http://dx.doi.org/10.22227/2305-5502.2022.2.4.

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Introduction. Apartment heating requires the thermal capacity of no more than 1.0–2.5 kW; hot water preparation needs 15–25 kW. Convection gas boilers cannot operate efficiently, if a change in the range of smooth modulation reaches 20 times. Discrete modulation is triggered in the heating mode, which is also accompanied by a substantial increase in greenhouse gas emissions and a sharp decline in energy efficiency. The heating of such premises requires heat generators operating in the two ranges of thermal capacity. Materials and methods. The author analyzes the operation of a wall-mounted con

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Pospelov, Boris, Evgenіy Rybka, Yuliia Bezuhla, et al. "Determining the features of histograms of dangerous parameters of the gas environment in the absence and occurrence of fire." Eastern-European Journal of Enterprise Technologies 4, no. 10 (124) (2023): 15–23. http://dx.doi.org/10.15587/1729-4061.2023.285966.

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The object of research is histograms of the dynamics of dangerous parameters of the gas environment, the values of which are measured in real time at the intervals of absence and ignition of materials. The method of determining histograms during a typical selection of measurements is described. This method allows one to determine histograms for samples of an arbitrary position and the size of the data interval of measurements of the dynamics of dangerous parameters of the gas environment. On the basis of histograms on the intervals of the absence and occurrence of fires of test materials, indi

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Nozdrenkov, Valerii, Andrii Pavlov, Galyna Oleksiienko, Oleksandr Zhuravlov, and Mykola Korenev. "Adaptive three-position control of ventilation in power facility premises with the risk of accumulating explosive gases." Bulletin of the National Technical University "KhPI". Series: Energy: Reliability and Energy Efficiency, no. 1(10) (July 9, 2025): 93–100. https://doi.org/10.20998/eree.2025.1(10).329442.

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The article presents a methodology for three-position discrete control of ventilation systems in the premises of energy enterprises with an increased risk of forming explosive gas environments. The focus is on two typical sources of hazardous gas accumulation: methane, released in rooms with gas-fueled power generator units, and hydrogen, generated while charging lead-acid batteries in accumulator rooms. The proposed approach enables the transition from two-position (“On-Off”) control to a three-position ventilation drive control mode using an adaptive characteristic derived from a PID control

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Pospelov, Boris, Vladimir Andronov, Evgenіy Rybka, et al. "Revealing the peculiarities of average bicoherence of frequencies in the spectra of dangerous parameters of the gas environment during fire." Eastern-European Journal of Enterprise Technologies 1, no. 10 (121) (2023): 46–54. http://dx.doi.org/10.15587/1729-4061.2023.272949.

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The object of this study is a change in the hazardous parameters of the gas environment when materials are ignited in the premises. The subject is the features of the average bicoherence of the frequencies of the spectra of changes in the hazardous parameters of the gas environment when materials are ignited. The importance of such studies is based on the fact that the examined features can be used for the early detection of fires. The value of the average bicoherence is proposed to be determined for each frequency, taking into account the average value of the cosine argument of the complex bi

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Voloshchuk, Vasyl, Volodymyr Ivanov, Lyudmyla Zasukha, and Andriy Onyshchenko. "Improvement of the technology of disposal of pig waste products at the industrial complex." Pig breeding the interdepartmental subject scientific digest, no. 77-78 (December 15, 2022): 83–92. http://dx.doi.org/10.37143/0371-4365-2022-77-78-07.

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The aim. To determine the degree of completeness of air purification and the suitability of the developed experimental samples of the chamber for its use to reduce the content of polluting gases during the removal of air from the premises of the industrial complex. Methods. The research was conducted on the basis of the pig farm of Agroprime Holding LLC of the Odesa region. The determination of the level of methyl mercaptan (mg/m3) in air emissions outside the premises was carried out using a portable gas analyzer Dräger X-am 5600. The determination of the level of ammonia (mg/m3), hydrogen su

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Eroshenko, A. Yu, V. A. Petrov, A. O. Ivanov, et al. "PERSPECTIVES FOR THE APPLICATION OF VARIOUS FIRE-SAFE GAS MEDIA ON THE INHABITED SEALED OBJECTS OF THE NAVY." Marine Medicine 5, no. 4 (2019): 91–98. http://dx.doi.org/10.22328/2413-5747-2019-5-4-91-98.

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Introduction. The need to ensure trouble-free operation of inhabited sealed objects of the Navy requires continuous improvement of technologies to increase their fire safety. Such technologies include the creation of hypoxic gas media at facilities that reduce the risk of fires and ensure the possibility of personnel staying in them. The purpose of the work is a comparative assessment of changes in the maximum human working capacity during continuous stay in various normobaric hypoxic environments, promising to increase the fire safety of sealed inhabited objects of the Navy. Materials and met

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