Zobrazeno 1 - 10
of 24
pro vyhledávání: '"N. S. Dushin"'
Autor:
V. M. Molochnikov, N. S. Dushin, N. D. Pashkova, Ya. A. Gataulin, E. M. Smirnov, A. D. Yukhnev
Publikováno v:
Fluid Dynamics. 58:214-226
Abstract The results of experimental studies and numerical simulation of the flow structure in the separation region downstream of an asymmetric narrowing of smooth canal that simulates 70% one-sided stenosis of the artery are presented. The Reynolds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::145df92f7a8867f31627085a4013d186
https://doi.org/10.1134/s0015462822602303
https://doi.org/10.1134/s0015462822602303
Publikováno v:
Russian Aeronautics. 65:764-771
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8572412a0a5e4d5dbfc02b4162ebf02
https://doi.org/10.3103/s1068799822040171
https://doi.org/10.3103/s1068799822040171
Publikováno v:
Russian Aeronautics. 62:484-488
The present paper puts forward and experimentally tests a hypothesis of correlation between heat transfer and flow characteristics in the near-wall region. Heat transfer in the separation region has been shown to depend linearly on streamwise fluctua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98b21e179b2f7cd3e39b4fbcdb67140f
https://doi.org/10.3103/s1068799819030176
https://doi.org/10.3103/s1068799819030176
Publikováno v:
Flow Measurement and Instrumentation. 60:88-94
Implementation of advanced experimental techniques such as High-speed Time-resolved planar Particle Image Velocimetry is associated with big data processing and implies time-consuming operations. The Parallel Projection Correlation (PPC) technique is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dba84f9850b8a215f2ecbe7868384cb
https://doi.org/10.1016/j.flowmeasinst.2018.02.019
https://doi.org/10.1016/j.flowmeasinst.2018.02.019
Publikováno v:
Russian Aeronautics. 60:583-590
A technique that allows simultaneous heating of the heat-exchange surface and estimation of its local temperature from the corresponding electrical resistance of the heating element is presented. The systematic error in measurements of the local heat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39bbafc5e4008395a44d44b291191e06
https://doi.org/10.3103/s1068799817040158
https://doi.org/10.3103/s1068799817040158
Publikováno v:
Experiments in Fluids. 60
The challenge of turbulent kinetic energy dissipation rate estimation, in general, is associated with errors embedded in measured velocity vectors and spatial resolution of appropriate optical method. Different optical methods together with different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d479e976fb86bb32ed1af0d47e705f75
https://doi.org/10.1007/s00348-018-2663-4
https://doi.org/10.1007/s00348-018-2663-4
Autor:
N. I. Mikheev, N. S. Dushin
Publikováno v:
Instruments and Experimental Techniques. 59:882-889
A new optical method for determining flow-velocity vector fields that allows investigations of unsteady and fast processes is described. The method is based on measuring the displacements of turbulent structures, which are visualized in a light sheet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e432931467d26ebeba6212acc63aef3
https://doi.org/10.1134/s0020441216060063
https://doi.org/10.1134/s0020441216060063
Publikováno v:
Journal of Physics: Conference Series. 1565:012083
Heat transfer and turbulence in channel flows past either a single rib or a rib array installed on the wall have been studied experimentally. It has been revealed that the local heat transfer coefficient behind a rib and a rib array is statistically
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82c8d22d156a6bb4c413a63b77df3fe6
https://doi.org/10.1088/1742-6596/1565/1/012083
https://doi.org/10.1088/1742-6596/1565/1/012083
Publikováno v:
MATEC Web of Conferences, Vol 115, p 02020 (2017)
The heat transfer coefficient has been measured in the channel with square ribs for the case of periodic flow rate variation. New technique for heat transfer coefficient measurements has been applied in the study. It allows simultaneous surface heati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ceb3f462706e6f4b29714bbb83447bc9
https://doaj.org/article/78b8aafe12cb4559b438b6352888cfcf
https://doaj.org/article/78b8aafe12cb4559b438b6352888cfcf
Publikováno v:
Journal of Physics: Conference Series. 1382:012024
The paper presents the experimental data on velocity fluctuation spectra and reattachment lengths observed in turbulent flows past low-profile elements of discrete roughness mounted on the wall. The discrete roughness elements were shaped as semicirc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2c281a93420556bcc07ea80c9ec2d96
https://doi.org/10.1088/1742-6596/1382/1/012024
https://doi.org/10.1088/1742-6596/1382/1/012024