Climate Factors Influence Over Heat Engineering Characteristics, Energy Efficiency and Evaluation of Environmental Consequences of Gas Fuel Combustion

Soroka, B.S.

doi:10.15518/isjaee.2017.04-06.116-129

Cited by 6 publications

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“…3. The combustion processes, on the one hand, and the weather conditions, global and local climate of environment, on the other hand, are in the strong and physically grounded interdependence [14,15]. The temperature and moisture of an ambient air, atmospheric pressure, wind direction and the velocity of wind are influencing parameters for the fundamental fuel's burning rates, the flames formation and the combustion process stability [16,17].…”

Section: Section 1 State-of-the Artmentioning

confidence: 99%

Climate and Environmental Backgrounds of Fuel Utilization, Influencing Upon Alteration the European and Ukrainian Trends of Gas Supply P.1 Present Requirements to Selection the Gas Fuels. Thermodynamic Evaluation the Principal Characteristics of Gas Fuel

Soroka

2023

Energ. Tech. & Res. Sav.

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The work examines the starting points on the formation of fuel markets in Europe within the framework of the concept of sustainable development of the countries’ economics, taking into account the main limitations, primarily the climatic and environmental consequences of fuels combustion. This approach has led in the past years to simultaneous increase in absolute volumes’ consumption of mineral (organic, carbon-rich) fuel’s flow rate and to reduction of their shares in the overall fuel balance. The relevant changes had occurred because of simultaneous production and consumption the alternative fuels, including renewable gas and energy sources. New schemes, methods and ways of fuel supply have been analyzed, including maritime transportation of liquefied fuels (liquefied natural gas LNG, liquid hydrocarbons LPG, ammonia NH3) along with creation of a modern tanker fleet with floating and land-based regasification and gas storage (FSRU) systems; systems of interconnecting the pipelines for fuel supply, including hydrogen-enriched natural gas (HENG). According to the cultivated opinion, the global warming is considered as a consequence of the carbonization of environment due to emission of C-rich combustion products (CO2) into the atmosphere. The specified contribution of CO2 to atmospheric pollution is caused by the insufficient efficiency of fuel use, for example, in heating furnaces (up to 40 % of the total amount of fuel consumed in the industry is burned in furnaces). If the emissions value of a conventional natural gas combustion systems in furnaces meets the level of emissions up to 0.45 kg СО2/kW.h, then in the case of equipping the furnace with an efficient waste gas heat recovery system, the emissions are reducing to 0.2–0.25 kg СО2/kW.h, (Wunning J.). The determinant role of the efficiency of fuel use ηf has been correlated with the scale of atmospheric pollution with greenhouse gases (CO2) emission by means of thermodynamic analysis of energy efficiency. The efficiency of fuel utilization: by enthalpy ηH and by exergy ηeff — has been computed for the cases of burning the widespread fuels and the comparative analysis has been performed. The calculations of thermal energy characteristics of the fuels have been carried out by using the original author’s methodology based upon assumption of equilibrium thermodynamics for the cases of using the widespread gas fuels within the temperature range T from the standard T0 to the theoretical combustion temperature TT. In accordance with original author’s method the most important heat engineering characteristics of the fuels have been studied by means of approaches of equilibrium thermodynamics. Higher and lower combustion heat, higher and lower Wobbe numbers, theoretical (adiabatic) combustion temperature of the widespread fuels have been determined. An influence of hydrogen content in CH4/H2 gas fuel mixtures on the mentioned properties has been determined. From the list of firing engineering characteristics, the formation of the methane number MN for different organic and alternative fuels have been considered. The accumulated numerical values of MN for the widespread types of fuels have been stated and compared. Bibl. 38, Fig. 4, Tab. 1.

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Section: Section 1 State-of-the Artmentioning

confidence: 99%

Climate and Environmental Backgrounds of Fuel Utilization, Influencing Upon Alteration the European and Ukrainian Trends of Gas Supply P.1 Present Requirements to Selection the Gas Fuels. Thermodynamic Evaluation the Principal Characteristics of Gas Fuel

Soroka

2023

Energ. Tech. & Res. Sav.

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“…В этом случае необходимо учитывать различие термодинамических свойств рабочих тел и влияние их на процесс горения. [1][2][3][4][5] Материалы и методы Состав природного газа может не изменяться из-за источника его месторождения, но может изменяться с течением времени [6][7][8]…”

Section: Introductionunclassified

Influence of fuel composition on energy parameters of gas turbine plant

Marin

Osipov

Zunino

et al. 2020

«Izvestiya vysshikh uchebnykh zavedenii. PROBLEMY ENERGETIKI»

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Energy and global warming

Басок¹,

Базєєв²,

Dubovskyi³

2023

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The book presents an overview of the current state of global and Ukrainian energy sector, highlighting trends in energy development and detrimental climate changes, particularly the intensification of global warming. Within the context of fundamental thermophysical engineering, the work proposes scientific and technical measures as well as innovation-oriented technologies aimed at increasing the energy efficiency of energy resource utilization, reducing the emission of harmful substances and greenhouse gases, and providing adaptive measures to climate change in communal energy. Specifically, the text discusses how innovative engineering and construction solutions, low-carbon renewable energy technologies, and intelligent energy supply systems can contribute to energy efficiency in the supply of buildings. The work explores the state and trends of energy development in Ukraine, Europe, and the world at large, including the energy efficiency of primary energy resources and CO2 emissions associated with their energy transformations. The technogenic heat balance of the planet is also discussed. The work examines the dynamics of greenhouse gas emissions, causes and consequences of global climate warming, particularly how dissipative emissions of heat into the environment, in accordance with the second law of thermodynamics, contribute to this phenomenon. Furthermore, the document discusses modeling of the interaction between Ukraine’s electric power industry and communal energy, as well as approaches to balancing the country’s energy system with seasonal energy storage. The text highlights that heat pumps based on environmental energy can be considered emission-free renewable energy sources. Additionally, the work shows the relationship between demographic processes of population growth, primary world energy resource volume, and the increase in global climate temperature. Finally, the text evaluates potential challenges and risks to human development arising from excessive growth in energy comfort of life activities, which is often referred to as the “golden billion population.” The need for a comprehensive discussion of decarbonized or low-carbon energy and global warming is emphasized, and the presentation is intended to be both simple and accessible. The book is aimed at engineers, scientists, and students of higher technical educational institutions, as well as anyone interested in energy and global warming issues.

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Climate Factors Influence Over Heat Engineering Characteristics, Energy Efficiency and Evaluation of Environmental Consequences of Gas Fuel Combustion

Cited by 6 publications

References 0 publications

Climate and Environmental Backgrounds of Fuel Utilization, Influencing Upon Alteration the European and Ukrainian Trends of Gas Supply P.1 Present Requirements to Selection the Gas Fuels. Thermodynamic Evaluation the Principal Characteristics of Gas Fuel

Climate and Environmental Backgrounds of Fuel Utilization, Influencing Upon Alteration the European and Ukrainian Trends of Gas Supply P.1 Present Requirements to Selection the Gas Fuels. Thermodynamic Evaluation the Principal Characteristics of Gas Fuel

Influence of fuel composition on energy parameters of gas turbine plant

Energy and global warming

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