Výsledky vyhledávání - "N. I. Mikheev"

Investigating a pulsating flow in the smooth channel and at the bifurcation section with regard to the popliteal artery hemodynamics

Autor: V M Molochnikov, N I Mikheev, A N Mikheev, A A Paereliy, A E Goltsman

Publikováno v: Journal of Physics: Conference Series. 2119:012020

Experimental setup is described. Pulsating flow in a smooth channel, and steady and pulsating flows at a bifurcation section simulating the distal end of an artery anastomosis at different flow rates in the main and outflow channels are studied. Indi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17932e67df0629b5023a17dc40613df1
https://doi.org/10.1088/1742-6596/2119/1/012020

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Anomalous intensification of separated flow and heat transfer in one and multiple row deep inclined oval trench dimples on the wall of a narrow channel and on the plate

Autor: E E Son, S A Isaev, D V Nikushchenko, S. V. Guvernyuk, M. A. Zubin, A G Sudakov, I A Popov, A I Leontiev, N I Mikheev

Publikováno v: Journal of Physics: Conference Series. 2088:012018

At the stands of Research Institute of Mechanics at the Moscow State University, we experimentally confirmed the mechanism of anomalous intensification of the separation flow and heat exchange in inclined oval-trench dimples (OTD) on the plate, which

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::149f3868b0ee32a41754cc9e56ef0cc6
https://doi.org/10.1088/1742-6596/2088/1/012018

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Vortex heat transfer enhancement in the separated flow near structured dimpled surfaces

Autor: A G Sudakov, D V Nikushchenko, S. V. Guvernyuk, M. A. Zubin, N I Mikheev, I A Popov, S A Isaev

Publikováno v: Journal of Physics: Conference Series. 2057:012002

The numerically discovered phenomena of abnormal enhancement of the separated flow in the inclined oval-trench dimple (OTD) and the flow acceleration in the dimpled narrow channel are substantiated experimentally. The analysis of turbulent flow aroun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51f5112d53d0532a22fbdc41f1fb0c2d
https://doi.org/10.1088/1742-6596/2057/1/012002

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Numerical and experimental study of abnormal enhancement of separated turbulent flow and heat transfer in inclined oval-trench dimples on the plate and on the narrow channel wall

Autor: S A Isaev, I A Popov, D V Nikushchenko, S. V. Guvernyuk, N I Mikheev

Publikováno v: Journal of Physics: Conference Series. 2039:012009

The numerically found abnormal enhancement of separated flow and heat transfer in inclined oval-trench dimples (OTDs) on the plate and on the wall of the narrow channel was experimentally confirmed at the stands of the Research Institute of Mechanics

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a7c4f24ffaed9962125df480caca9ed5
https://doi.org/10.1088/1742-6596/2039/1/012009

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Heat transfer from a cylinder in pulsating cross-flow

Autor: N. I. Mikheev, V. M. Molochnikov, A. A. Paereliy, A. N. Mikheev

Publikováno v: Thermophysics and Aeromechanics. 24:569-575

The paper presents results on heat transfer from a cylinder in pulsating flow. The results are local heat transfer distributions that match four different flow modes identified previously by the authors. A new kind of dimensionless number was introdu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56cdf96c67598cc09f2f2b610d4e9222
https://doi.org/10.1134/s0869864317040084

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Promising dimple technologies of vortex heat and mass transfer enhancement in energy and microelectronics

Autor: S. A. Isaev, S. V. Guvernyuk, N I Mikheev, D V Nikushchenko, A. G. Sudakov, I. A. Popov

Publikováno v: Journal of Physics: Conference Series. 1675:012004

Turbulent separated air flow and heat transfer at the starting hydrodynamic length of the longitudinal section of the dimpled narrow channel (1 in height, 4 in width, and 84 in length) with inclined one-row oval-trench dimples (OTD) are calculated. P

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f6bd892e654fef929dcf2c23452bd8d
https://doi.org/10.1088/1742-6596/1675/1/012004

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Physical simulation of blood flow in a femoropopliteal artery graft

Autor: V. M. Molochnikov, O. A. Dushina, N I Mikheev, A. A. Paereliy

Publikováno v: Journal of Physics: Conference Series. 1683:022090

The paper describes a new experimental setup intended for simulation of blood flow through stenosis or distal end of anastomosis. The setup is able to reproduce flow rate pulsations with a wave form identical to the one of real blood flow during a ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1144ccd136b4b783a60a3ae8aa81f9f
https://doi.org/10.1088/1742-6596/1683/2/022090

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A method for measuring the dynamics of velocity vector fields in a turbulent flow using smoke image-visualization videos

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

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