Results 31 to 40 of about 213,757 (158)

COMPLEX INVESTIGATIONS OF THERMALPHYSIC AND INFRA-RED CHARACTERISTICS AT THE PHASE INVERSIONS

open access: yesЛитьë и металлургия, 2005
The complex methods of investigation of heat exchange at crystallization and melting of selectively transparent materials in terms of changing of external heat influences, which include calorimetry of IK-currents, temperature taking, the heat conduction ...
V. L. Dragun   +3 more
doaj  

Additives to Coal-Based Fuel Pellets for the Intensification of Combustion and Reduction in Anthropogenic Gas Emissions

open access: yesApplied Sciences, 2020
Cylinder-shaped fuel pellets that were 3 mm in diameter and 3 mm in height, with a mass of 20 mg, were produced by compressing dry coal processing waste under the pressure of 5 MPa. The first group of pellets from coal dust with a particle size less than
Dmitriy Klepikov   +3 more
doaj   +1 more source

Combustion, Pyrolysis, and Gasification of Waste-Derived Fuel Slurries, Low-Grade Liquids, and High-Moisture Waste: Review

open access: yesApplied Sciences, 2022
The article discusses the modern achievements in the field of thermal recovery of industrial and municipal waste. The average accumulation rate and calorific value of typical wastes were analyzed.
Ksenia Vershinina   +2 more
doaj   +1 more source

Natural Convection Melting Influence on the Thermal Resistance of a Brick Partially Filled with Phase Change Material

open access: yesFluids, 2021
The constant growth of urban agglomerations with the development of transport networks requires the optimal use of energy and new ways of storing it. Energy efficiency is becoming one of the main challenges of modern engineering.
Nadezhda S. Bondareva   +1 more
doaj   +1 more source

Investigation of the regularities of vortical flows in a cyclone-bed chamber

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
Experimental investigation of the radial distributions of tangential and longitudinal velocities, total and static pressures in the vortex zone of a cyclone-bed chamber of diameter 0.21 m has been carried out.
E. A. Pitsukha   +2 more
doaj   +1 more source

Mathematical modeling of the electric spark ignition of the coal-water particle fuel under conditions relevant to the internal combustion engines

open access: yesMATEC Web of Conferences, 2017
The results of the mathematical simulation of the coal-water fuel particle in the conditions of electric-spark discharge have been given.
Syrodoy Samen   +3 more
doaj   +1 more source

Relative Environmental, Economic, and Energy Performance Indicators of Fuel Compositions with Biomass

open access: yesApplied Sciences, 2020
The present study deals with the experimental research findings for the characteristics of ignition (ignition delay times, minimum ignition temperature) and combustion (maximum combustion temperature, concentration of anthropogenic emission), as well as ...
Dmitrii Glushkov   +3 more
doaj   +1 more source

Heat transfer in the vortex zone of a cyclone-bed chamber of furnace unit with fluidized bed

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2019
An experimental investigation of the heat-transfer coefficient to a spherical probe in a cyclone-bed chamber with fluidized bed in the “cold” and “hot” regimes has been carried out.
E. A. Pitsuha   +3 more
doaj   +1 more source

Isothermal Evaporation Rate of Deposited Liquid Aerosols and the SARS-CoV-2 Coronavirus Survival

open access: yesAerosol and Air Quality Research, 2020
It is shown that the evaporation rate of a liquid sample with the height is about several millimeters containing the culture of coronavirus affects its survival on a substrate.
Pavel S. Grinchuk   +3 more
doaj   +1 more source

Numerical Modeling of a Flame Surface in the Closed Chamber

open access: yesМеханика машин, механизмов и материалов, 2008
The method for modeling of the flame surface in a closed cylindrical bomb is developed assuming preserving the spherical flame front at interactions with confined walls.
M.S. Assad, V.N. Mironov, O.G. Penyazkov
doaj  

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