Results 41 to 50 of about 206,650 (158)
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
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Methods for Accuracy Increasing of Solid Brittle Materials Fracture Toughness Determining
Method for determining of the fracture toughness of brittle materials by indentation is described. The critical stress intensity factor KIC quantifies the fracture toughness. Methods were developed and applied to improve the accuracy of KIC determination
V. A. Lapitskaya +3 more
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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
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Investigation of the regularities of vortical flows in a cyclone-bed chamber
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
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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
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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
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Heat transfer in the vortex zone of a cyclone-bed chamber of furnace unit with fluidized bed
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
Numerical Modeling of a Flame Surface in the Closed Chamber
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
The results of studies on the production of a porous ceramic-matrix composite material C–N/SiC from silicon carbide and nitrogen-doped nanostructured carbon for subsequent use as supercapacitor electrodes are presented. The material is formed by pressing
D. V. Solovei +3 more
doaj +1 more source

