Zobrazeno 1 - 10
of 114
pro vyhledávání: '"I. L. Povkh"'
Publikováno v:
Journal of Engineering Physics and Thermophysics. 70:46-50
Rational applicability limits of a turbulent model of momentum and heat transfer in a solidifying melt in an enclosure are determined based on multivariant calculations of hydrodynamic and thermophysical processes during casting and solidification of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c106f462d15ae51a2366cedc35b89c15
https://doi.org/10.1007/s10891-997-0009-9
https://doi.org/10.1007/s10891-997-0009-9
Publikováno v:
Journal of Engineering Physics and Thermophysics. 67:859-865
A generalized mathematical model has been developed for heat transfer and hydrodymanics with account for turbulence in the stages of pouring and subsequent formation of a steel ingot.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3503d02e7b5920250ecc0d005dada5a
https://doi.org/10.1007/bf00853010
https://doi.org/10.1007/bf00853010
Autor:
N. V. Finoshin, I. L. Povkh
Publikováno v:
Journal of Mathematical Sciences. 68:730-733
A study has been made on the decisive effect from the exit cone on the total resistance of a variable cross section tube composed of alternating divergent and convergent parts, whose radii vary on a cosine law. Numerical calculations have been perfor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::720a31552b2511f406dc18f6daf6e02b
https://doi.org/10.1007/bf01249417
https://doi.org/10.1007/bf01249417
Autor:
N. V. Finoshin, I. L. Povkh
Publikováno v:
Journal of Engineering Physics and Thermophysics. 62:373-380
A method is suggested of reducing the hydrodynamic resistance by replacing circular cylindrical tubes (CT) by socalled asymmetrical wavy tubes of varying cross section with long exist cone and short nozzle portions. Mathematical simulation of laminar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fabde021cc99b1918fcb5e67a90ad6b
https://doi.org/10.1007/bf00854948
https://doi.org/10.1007/bf00854948
Publikováno v:
Journal of Soviet Mathematics. 56:2814-2816
Results are presented of an analytic construction and investigation of adaptive data classification algorithms for intermittent turbulence. A decision making rule is presented, relationships are derived to estimate the classification accuracy. A thre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8256163048e445066d4e5e4717e5ea1
https://doi.org/10.1007/bf01097462
https://doi.org/10.1007/bf01097462
Publikováno v:
Journal of Applied Mechanics and Technical Physics. 18:812-815
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af3ea10117cefc28f41b3a7bc726c1db
https://doi.org/10.1007/bf00851157
https://doi.org/10.1007/bf00851157
Autor:
V. G. L'vov, L. K. Martinson, I. Ya. Tokar, V. V. Lozovetskii, V. K. Mel'nik, L. A. Kozdoba, S. S. Gromov, N. P. Kovalenko, Yu. A. Zhuravlev, I. L. Povkh, M. A. Galakhov, M. M. Tumarkin, L. V. Kazandzhyan, V. I. Eliseev, V. A. Levchenko, V. V. Perevezentsev, B. I. Katorgin, E. V. Lesnikov, Yu. M. Aivazyan, M. V. Boichuk, I. N. Bogaenko, A. I. Serdyuk, L. E. Kostikov
Publikováno v:
Journal of Engineering Physics. 37:1246-1254
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1c4d4478d4e60c2fc85325e57efd7e8
https://doi.org/10.1007/bf00861006
https://doi.org/10.1007/bf00861006
Autor:
M. A. Bezrukova, B. P. Makogon, A. I. Toryanik, S. I. Klenin, E. N. Bykova, Yu. F. Ivanyuta, I. L. Povkh
Publikováno v:
Journal of Engineering Physics. 49:1022-1027
This article discusses findings obtained regarding the effect of a hydrodynamic field on the reduced viscosity, effect of turbulent friction reduction, light scattering, double refraction, and optical density of aqueous solutions of hydrolyzed polyac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e35f5423048a01b32e20d5b7f4c91dd
https://doi.org/10.1007/bf00872743
https://doi.org/10.1007/bf00872743
Autor:
I. L. Povkh, V. V. Chernyuk
Publikováno v:
Journal of Engineering Physics. 57:1267-1270
Results are presented from an experimental investigation of the effect of the addition of polyacrylamide additives on the hydraulic resistances of conical converging sections.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f366880c6497efbf831912706ff1340
https://doi.org/10.1007/bf00871258
https://doi.org/10.1007/bf00871258
Publikováno v:
Journal of Engineering Physics. 38:188-192
The article investigates the dynamics of a viscous incompressible liquid in a rotating cylindrical tank in the presence of forces of heat convection.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc1205e8d6964cc7855588ec1e022d89
https://doi.org/10.1007/bf00861877
https://doi.org/10.1007/bf00861877