Thermal Conductivity of Mixtures

Ortiz, M.G.; Gonzales, Natalia M.; Guzmán, Carlos Felipe; Paiva-Peredo, Ernesto; Bello, E. W. Barrera

doi:10.1007/978-1-4684-4916-7_23

Cited by 2 publications

(2 citation statements)

References 3 publications

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“…The simulation of the aerosol particle ignition was used for estimation of the temperature dynamics on the particle surface and ignition delay times. The heat transfer equation was solved for cylindrical particles for the wide range of their sizes taking in account the radiative heat exchange between particles and furnace walls as well as convective heat exchange between aerosol and gases inside the furnace [30]. The water evaporation was estimated according to [31].…”

Section: Methodsmentioning

confidence: 99%

Effect of the Addition of Petrochemicals onto the Atomization and Ignition of the Coal-Water Slurry Prepared from the Wastes

2020

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The composite quasi-liquid fuels made of different industrial waste become more and more attractive for scientists during last years. Coal-water slurry is one of the popular types of such compositions. Addition of the waste petrochemicals into the slurry allows decrease of the ignition delays of such composite for up to 27%. However, it has a non-trivial effect onto the atomization dynamics of the slurry making the size and velocity distributions of the aerosol more stable during propagation of the aerosol cloud. This, in turn, leads to more predictable ignition and combustion of the aerosol.

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Section: Methodsmentioning

confidence: 99%

Effect of the Addition of Petrochemicals onto the Atomization and Ignition of the Coal-Water Slurry Prepared from the Wastes

2020

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“…Heating lignite by visible light had a bit lower efficiency, but it provided temperatures above 800 K when the light intensity was above 100 W/cm 2 . The thermal conductivity of water-fuel compositions could be calculated using the values for water and dry fuel by employing additive ratios (relative to the content of water in the sample) [26]. The effective HPDs of peat and lignite with the said moisture content were about 0.27 mm and 0.31 mm, respectively.…”

Section: Fuel Surface Temperature Under the Effect Of Focused Light Flowmentioning

confidence: 99%

Allothermal Gasification of Peat and Lignite by a Focused Light Flow

et al. 2020

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Gasification of peat and lignite under a focused light flow was observed in a wide range of fuel moisture (up to 65 wt.%). The initial water content in the fuels under study had a different influence on the chemical composition of the synthesis gas (syngas). At the same time, the effect of light intensity was more predictable: in general, the production of gases grew with it. It was shown that the gasification of peat accelerated greatly when light intensity exceeded 100 W/cm2. Moreover, the conversion of peat and lignite required an order of magnitude lower intensity of the light flow than was necessary for the conversion of bituminous coal processing waste. The dynamics of the sample weight changes demonstrated that contrary to bituminous coals, the process was not purely allothermal for both peat and lignite. However, the fuel smoldering was not self-sustainable and stopped shortly after the pumping light was turned off.

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Thermal Conductivity of Mixtures

Cited by 2 publications

References 3 publications

Effect of the Addition of Petrochemicals onto the Atomization and Ignition of the Coal-Water Slurry Prepared from the Wastes

Effect of the Addition of Petrochemicals onto the Atomization and Ignition of the Coal-Water Slurry Prepared from the Wastes

Allothermal Gasification of Peat and Lignite by a Focused Light Flow

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