Results 11 to 20 of about 206,650 (158)

Composite Liquid Biofuels for Power Plants and Engines: Review

open access: yesEnergies, 2023
The problems of environmental pollution caused by the operation of power plants and engines motivate researchers to develop new biofuels. The environmental aspect of composite biofuels appears to have great potential because of the carbon neutrality of ...
Genii Kuznetsov   +5 more
doaj   +1 more source

Prospects for the Use of Metal Surfaces Modified by Nanosecond Laser Radiation for Energy Applications

open access: yesEnergies, 2023
Laser technologies for processing metals used as heat exchange surfaces are unrivaled to solve a number of problems in the energy industry. This is explained by the fact that after laser radiation treatment, metal surfaces gain unique surface functional ...
Dmitriy Glushkov   +5 more
doaj   +1 more source

Experimental Research of the Initial Temperature and Additives Effect on the Ignition and Combustion Mechanisms of Composite Liquid Fuel in a High-Temperature Oxidizer

open access: yesApplied Sciences, 2023
Composite fuel is a promising energy source that allows for solving the problems of waste disposal with energy generation. Such fuel is the most accessible fuel and is cheap in comparison with fossil fuels widely used in industrial thermal power ...
Dmitrii Glushkov   +4 more
doaj   +1 more source

Combustion Characteristics of Coal-Water Slurry Droplets in High-Temperature Air with the Addition of Syngas

open access: yesEnergies, 2023
An experimental study of the ignition and combustion processes of coal-water slurry (CWS) droplets based on coal enrichment waste in a high-temperature oxidizer at 650–850 °C with a syngas addition was carried out. The fuel slurry was a mixture of finely
Maxim Belonogov   +4 more
doaj   +1 more source

Dynamic simulation of indirect air conditioning systems with optimized computational time [PDF]

open access: yesE3S Web of Conferences, 2019
The simulation of HVAC systems is a powerful tool to improve the energy efficiency in buildings. The modelling of such systems faces several obstacles due to both the physical phenomenology present and the numerical resolution difficulties.
Ablanque Nicolás   +4 more
doaj   +1 more source

Modeling of a Double Gas Hydrate Particle Ignition

open access: yesApplied Sciences, 2022
This paper presents the numerical research findings for the conditions and characteristics of methane-propane hydrate particle ignition. The curves of the ignition delay times of a hydrate particle versus its size and ambient temperature were obtained ...
Olga Gaidukova   +3 more
doaj   +1 more source

Slagging Characteristics of a Steam Boiler Furnace with Flare Combustion of Solid Fuel When Switching to Composite Slurry Fuel

open access: yesApplied Sciences, 2022
Two interconnected mathematical models have been developed to describe slagging of a steam boiler furnace at the macro and micro levels. The macro-level model is implemented in Ansys Fluent.
Dmitrii Glushkov   +3 more
doaj   +1 more source

Secondary Atomization of Fuel Oil and Fuel Oil/Water Emulsion through Droplet-Droplet Collisions and Impingement on a Solid Wall

open access: yesEnergies, 2023
This paper presents findings from an experimental study investigating the secondary atomization of liquid fuel droplets widely used in the heat and power industry exemplified by fuel oil and environmentally promising fuel oil/water emulsion.
Anastasia Islamova   +3 more
doaj   +1 more source

Key Areas of Gas Hydrates Study: Review

open access: yesEnergies, 2022
Gas hydrates are widespread all over the world. They feature high energy density and are a clean energy source of great potential. The paper considers experimental and theoretical studies on gas hydrates in the following key areas: formation and ...
Olga Gaidukova   +2 more
doaj   +1 more source

VERIFICATION OF THE PHYSICAL AND MATHEMATICAL MODEL FOR CALCULATION OF AERODYNAMIC CHARACTERISTICS OF BLUFF BODIES MOVING IN AIR AT LARGE MACH NUMBERS

open access: yesСистемный анализ и прикладная информатика, 2018
The verification results of the computer simulation model for calculation of aerodynamic characteristics of bluff bodies (cone with different apex angles and a «cone–cylinder» body) moving in air at different Mach number and zero angle of attack are ...
A. D. Chorny   +5 more
doaj   +1 more source

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