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4 results on '"droplet holder material"'

1. Sustainability of Fossil Fuels.

Author

Strizhak, Pavel A.

Subjects
Bunsen burner, Mohr-Coulomb theory, PTV method, Qikou Sag, Riedel shear, aerosol, anionic surfactant, anthropogenic emission concentration, biomass, closed-form analytical solution, coal, coal consumption forecasting, coal processing waste, coal-water slurry, combustion, combustion chamber, combustion mechanism, composite fuel, convection-diffusion equation, covert fault zone, decorated polyacrylamide, disintegration, displacement mechanism, droplet holder material, dual string completion, embedded discrete fracture model, energy production, enhanced oil recovery, enhanced recovery, evaporation, explosive breakup, flow behavior, forest fuels, fractured reservoir simulation, fuel activation, gas lift, gas lift optimization, gas lift rate, gas robbing, genetic mechanism, grey relational analysis, heating, hydrate dissociation, hydraulic fracturing, ignition, improved gravitational search algorithm, injection mode, laser pulse, linear drift effect, matrix-fracture transmissibility, mechanism reduction, methane, methane desorption, methane hydrate, municipal solid waste, oil refining waste, oil-controlling mode, physical properties, pore structure, shale gas, skeletal mechanism, slurry fuel, soaring of fuel droplets, split factor, structure evolution, supercritical CO2, support vector machine, syngas, tectonic coal, trajectories of fuel droplets, transport of tracers, two-component droplet, waste management, waste-derived fuel, water retention in shale
Abstract

Summary: The energy and fuel industries represent an extensive field for the development and implementation of solutions aimed at improving the technological, environmental, and economic performance of technological cycles. In recent years, the issues of ecology and energy security have become especially important. Energy is firmly connected with all spheres of human economic life but, unfortunately, it also has an extremely negative (often fatal) effect on the environment and public health. Depletion of energy resources, the complexity of their extraction, and transportation are also problems of a global scale. Therefore, it is especially important nowadays to try to take care of nature and think about the resources that are necessary for future generations. For scientific teams in different countries, the development of sustainable and safe technologies for the use of fuels in the energy sector will be a challenge in the coming decades

2. Impact of Holder Materials on the Heating and Explosive Breakup of Two-Component Droplets

Author

Dmitry Antonov, Jérôme Bellettre, Dominique Tarlet, Patrizio Massoli, Olga Vysokomornaya, and Maxim Piskunov

Subjects
two-component droplet, heating, evaporation, explosive breakup, disintegration, droplet holder material, Technology
Abstract

The heating of two-component droplets and the following explosive breakup of those droplets have been extensively studied over the most recent years. These processes are of high interest, since they can significantly improve the performance of many technologies in fuel ignition, thermal and flame liquid treatment, heat carriers based on flue gases, vapors and water droplets, etc. Research throughout the world involves various schemes of droplet heating and supply (or, less frequently, injection) to heating chambers. The most popular scheme features the introduction of a two-component or multi-component droplet onto a holder into the heating chamber. In this research, we study how holder materials affect the conditions and integral characteristics of droplet heating and explosive breakup: heating time until boiling temperature; minimum temperature sufficient for droplet breakup; number and size of fragments in the resulting droplet aerosol, etc. Experiments involve droplets that are produced from flammable (oil) and non-flammable (water) components with significantly different thermophysical and optical properties, as well as boiling temperature and heat of vaporization. The most popular elements with the scientific community, such as ceramic, steel, aluminum, copper, and phosphorus rods, as well as a nichrome wire, serve as holders. We establish the roles of energy inflow from a holder to a droplet, and energy outflow in the opposite direction. We compare the holder results with a supporting thermocouple, recording the drop temperature under a heat transfer provided at 350°C. Finally, we forecast the conditions that are required for a significant improvement in the performance of thermal and flame water treatment through the explosive breakup of two-component droplets.

Published
2018
Full Text
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3. Impact of Holder Materials on the Heating and Explosive Breakup of Two-Component Droplets

Author

Dominique Tarlet, Olga V. Vysokomornaya, Jérôme Bellettre, Patrizio Massoli, Dmitry Antonov, Maxim V. Piskunov, National Research Tomsk Polytechnic University, Laboratoire de Thermique et d’Energie de Nantes (LTeN), Ecole Polytechnique de l'Université de Nantes (EPUN), Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS), Istituto Motori [Napoli], and Consiglio Nazionale delle Ricerche [Napoli] (CNR)

Subjects
droplet holder material, Control and Optimization, Materials science, Explosive material, explosive breakup, 020209 energy, heating, evaporation, Evaporation, Energy Engineering and Power Technology, two-component droplet, 02 engineering and technology, lcsh:Technology, 01 natural sciences, 7. Clean energy, 010305 fluids & plasmas, Thermocouple, disintegration, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, Nichrome, Engineering (miscellaneous), ComputingMilieux_MISCELLANEOUS, lcsh:T, Renewable Energy, Sustainability and the Environment, Drop (liquid), Mechanics, Breakup, 6. Clean water, Boiling point, 13. Climate action, Heat transfer, [PHYS.MECA.THER]Physics [physics]/Mechanics [physics]/Thermics [physics.class-ph], Energy (miscellaneous)
Abstract

The heating of two-component droplets and the following explosive breakup of those droplets have been extensively studied over the most recent years. These processes are of high interest, since they can significantly improve the performance of many technologies in fuel ignition, thermal and flame liquid treatment, heat carriers based on flue gases, vapors and water droplets, etc. Research throughout the world involves various schemes of droplet heating and supply (or, less frequently, injection) to heating chambers. The most popular scheme features the introduction of a two-component or multi-component droplet onto a holder into the heating chamber. In this research, we study how holder materials affect the conditions and integral characteristics of droplet heating and explosive breakup: heating time until boiling temperature; minimum temperature sufficient for droplet breakup; number and size of fragments in the resulting droplet aerosol, etc. Experiments involve droplets that are produced from flammable (oil) and non-flammable (water) components with significantly different thermophysical and optical properties, as well as boiling temperature and heat of vaporization. The most popular elements with the scientific community, such as ceramic, steel, aluminum, copper, and phosphorus rods, as well as a nichrome wire, serve as holders. We establish the roles of energy inflow from a holder to a droplet, and energy outflow in the opposite direction. We compare the holder results with a supporting thermocouple, recording the drop temperature under a heat transfer provided at 350°C. Finally, we forecast the conditions that are required for a significant improvement in the performance of thermal and flame water treatment through the explosive breakup of two-component droplets.

Published
2018
Full Text
View/download PDF

4. Impact of Holder Materials on the Heating and Explosive Breakup of Two-Component Droplets.

Author

Antonov, Dmitry, Bellettre, Jérôme, Tarlet, Dominique, Massoli, Patrizio, Vysokomornaya, Olga, and Piskunov, Maxim

Subjects
HEAT transfer, THERMAL conductivity, NANOPARTICLES, EMULSIONS, ELECTRON-hole droplets
Abstract

The heating of two-component droplets and the following explosive breakup of those droplets have been extensively studied over the most recent years. These processes are of high interest, since they can significantly improve the performance of many technologies in fuel ignition, thermal and flame liquid treatment, heat carriers based on flue gases, vapors and water droplets, etc. Research throughout the world involves various schemes of droplet heating and supply (or, less frequently, injection) to heating chambers. The most popular scheme features the introduction of a two-component or multi-component droplet onto a holder into the heating chamber. In this research, we study how holder materials affect the conditions and integral characteristics of droplet heating and explosive breakup: heating time until boiling temperature; minimum temperature sufficient for droplet breakup; number and size of fragments in the resulting droplet aerosol, etc. Experiments involve droplets that are produced from flammable (oil) and non-flammable (water) components with significantly different thermophysical and optical properties, as well as boiling temperature and heat of vaporization. The most popular elements with the scientific community, such as ceramic, steel, aluminum, copper, and phosphorus rods, as well as a nichrome wire, serve as holders. We establish the roles of energy inflow from a holder to a droplet, and energy outflow in the opposite direction. We compare the holder results with a supporting thermocouple, recording the drop temperature under a heat transfer provided at 350°C. Finally, we forecast the conditions that are required for a significant improvement in the performance of thermal and flame water treatment through the explosive breakup of two-component droplets. [ABSTRACT FROM AUTHOR]

Published
2018
Full Text
View/download PDF

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