Zobrazeno 1 - 10
of 26
pro vyhledávání: '"N. A. Dvornikov"'
Publikováno v:
Thermophysics and Aeromechanics. 27:759-765
The conclusions about the nature of bed fluidization and the rate of polyfractional material entrainment in the cylindrical vortex chamber with the air supply through the lower and upper end swirlers were drawn, based on the visual observation of the
Publikováno v:
Thermophysics and Aeromechanics. 24:339-346
The Particle Image Velocimetry (PIV) technique and laser Doppler anemometer (LDA) were used to measure the components of tangential and axial velocities of gas and particles in a vortex chamber with a fluidized bed, particle layer dynamics was estima
Publikováno v:
Theoretical Foundations of Chemical Engineering. 50:343-349
The problem of the membrane separation of a helium–methane mixture containing 0.1 wt % He, which imitates the composition of a helium-rich natural gas field, has been numerically analyzed. The helium and methane flux distribution along the length o
Autor:
N. A. Dvornikov, V. G. Nechaev, V. A. Arbuzov, E. V. Arbuzov, Yu. N. Dubnishchev, E. O. Shlapakova
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 52:161-166
The interaction of a cold vortex ring with flame in an axisymmetric configuration has been investigated using methods of Hilbert optics, shearing interferometry, and numerical simulation. The impact of a cold vortex ring formed by a pressure pulse fr
Autor:
N. A. Dvornikov
Publikováno v:
Combustion, Explosion, and Shock Waves. 51:631-640
This paper is devoted to methods of estimating the combustion regimes of gaseous fuel in vortex chambers of various designs in the presence of a bed of inert particles in the chamber, which rotate with the gas flow. A simple geometric criterion for d
Publikováno v:
Thermophysics and Aeromechanics. 20:663-668
The flow in the vortex chamber with centrifugal fluidized bed of solid particles was studied experimentally and simulated numerically. The chambers of different configurations were considered, and this allowed us to change the ratio of centrifugal an
Autor:
N. A. Dvornikov, ON Novosyolova, Yu. N. Dubnishchev, V. G. Nechaev, E. O. Shlapakova, V. A. Arbuzov
Publikováno v:
International Journal of Spray and Combustion Dynamics, Vol 8 (2016)
Formation and evolution of complementary vortical rings induced in air by a pressure pulse on a hole under various boundary conditions are investigated by Hilbert-optics methods and computer modeling. It is experimentally demonstrated that reverse ri
Autor:
E. P. Volchkov, E. A. Pitsukha, V. V. Lukashov, Yu. S. Teplitskii, V. A. Borodulya, N. A. Dvornikov
Publikováno v:
Journal of Engineering Physics and Thermophysics. 85:856-866
Consideration is given to swirling gas-dispersed flows in the cylindrical combustion chamber with a lateral swirler, in the conical combustion chamber with a nonflow bed of a dispersed material, and in the cylindrical combustion chamber with lower en
Publikováno v:
Optoelectronics, Instrumentation and Data Processing. 48:227-234
The evolution of vortex structures induced by a pressure jump on the output hole of the chamber is experimentally studied by methods of the Hilbert diagnostics. Various types of optical filters that ensure the Hilbert and Foucault-Hilbert transforms
Autor:
V. V. Lukashov, E. A. Pitsukha, V. A. Borodulya, E. P. Volchkov, Yu. S. Teplitskii, N. A. Dvornikov
Publikováno v:
Journal of Engineering Physics and Thermophysics. 85:324-338
The features of swirling flows in a cyclone chamber of diameter 0.4 m have been investigated experimen- tally for various configurations of inlet nozzles and sizes of the outlet hole. The existence of general laws of swirling flows independent of the