Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Sergiy Gerashchenko"'
Autor:
Sergiy Gerashchenko, Kathy Prestridge
Publikováno v:
Journal of Turbulence. 16:1011-1035
We experimentally study variable–density mixing of miscible gases in an open-circuit wind tunnel using simultaneous particle image velocimetry and planar laser-induced fluorescence. Experiments of a high Atwood number (0.6) and low Atwood number (0
Publikováno v:
Journal of Fluid Mechanics. 694:371-398
We present measurements of mean and conditional number densities, radial distribution functions (r.d.f.s), velocities and accelerations of sub-Kolmogorov-scale water droplets entraining at a shearless turbulence–turbulence interface (TTI) and a tur
Publikováno v:
Journal of Fluid Mechanics. 668:293-303
We describe experiments of the entrainment and mixing of water (sub-Kolmogorov scale) droplets across a turbulent–non-turbulent interface (TNI) as well a turbulent–turbulent interface (TTI) in shearless grid turbulence, over a time scale in which
Autor:
Holger Siebert, Armann Gylfason, Katrin Lehmann, Sergiy Gerashchenko, Raymond A. Shaw, Lance R. Collins, Zellman Warhaft
Publikováno v:
Atmospheric Research. 97:426-437
The role of turbulence in droplet growth in clouds is controversial, in part because of the difficulty of studying underlying processes in the cloud environment, and in part because of the difficulty of achieving real cloud conditions in controlled l
Publikováno v:
Journal of Fluid Mechanics, 658, 229-246. Cambridge University Press
Recent experiments in a turbulent boundary layer by Gerashchenko et al. (J. Fluid Mech., vol. 617, 2008, pp. 255–281) showed that the variance of inertial particle accelerations in the near-wall region increased with increasing particle inertia, co
Publikováno v:
Journal of Fluid Mechanics. 617:255-281
Two-dimensional Lagrangian acceleration statistics of inertial particles in a turbulent boundary layer with free-stream turbulence are determined by means of a particle tracking technique using a high-speed camera moving along the side of the wind tu
Autor:
Oleksandr Varunkiv, Mariana Kulynych-Miskiv, Vasyl Miskiv, Iryna Savelikhina, Sergiy Gerashchenko, Mykola Ostrovskyy, Olena Deltsova
Publikováno v:
3.3 Mechanisms of Lung Injury and Repair.
Background: It is estimated that COPD afflicts from 4% to 10% of adults and is the fourth leading cause of death worldwide. Tiotropium may reduce the economic burden of COPD by reducing the frequency of COPD exacerbations and COPD-related hospitaliza
Autor:
Yu. N. Kharchenko, V. I. Kut'ko, O. V. Miloslavskaya, Lucyna Macalik, Krzysztof Hermanowicz, Sergiy Gerashchenko, Jerzy Hanuza, N. M. Nesterenko
Publikováno v:
Journal of Molecular Structure. :359-364
Layered rhombic double molybdates of the family M I M III (MoO 4 ) 2 reveal the sequences of phase transitions of different types which take place in the temperature region from 300 K down to helium temperatures. The aim of this work is to investigat
Publikováno v:
Low Temperature Physics. 25:992-995
Low-frequency IR transmission spectra for a series of isostructural single crystals of CsDy1−xBix(MoO4)2 (x=0, 0.05, 0.1, 0.2, 0.3, 0.5, and 0.7) are measured at low temperatures (T≃6 K). It is found experimentally that absorption band broadening