Zobrazeno 1 - 10
of 10
pro vyhledávání: '"R. V. Konovalov"'
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 63-68 (2012)
Numerical modeling of heat transfer coefficient on the surface of the water-cooled rod with a slotted and jet cooling was made. calculations were carried out in a free, open source CFD software package OpenFOAM. it is shown that jet cooling is more u
Externí odkaz:
https://doaj.org/article/0ce4da0a8f384f468ed9370c00f5a7ab
Publikováno v:
Безопасность информационных технологий, Vol 17, Iss 3, Pp 47-52 (2010)
Volume reduction of storing the data is one of the ways to increase the safety of information streams storage. Thus arising problem of formal representation of the data flow is shown in the form of a problem of identification of a time row with the n
Externí odkaz:
https://doaj.org/article/9293cf42508f4723a180033415a36e89
Autor:
Y. P. Kulyabichev, R. V. Konovalov
Publikováno v:
Безопасность информационных технологий, Vol 17, Iss 2, Pp 28-34 (2010)
In this paper explores aspects of a system of passenger lists control to ensure security of air transport. The proposed approach uses the techniques of fuzzy search.
Externí odkaz:
https://doaj.org/article/f088e7cbe60c4d5e81bff269dcfe9b73
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 4, Pp 34-38 (2009)
The influence of the ingot diameter of alloy AK18 on speed of its hardening and microstructure at flooded-jet cooling is studied
Externí odkaz:
https://doaj.org/article/85541a838fb640a1913ddc9828efaed0
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 118-120 (2013)
Influence of ways of the mold cooling on structure of castings with diameter of 135 mm from AK15M3 silumin at vertical centrifugal casting is investigated. It is established that for production of castings with diameter 135 mm from AK15M3 silumin wit
Externí odkaz:
https://doaj.org/article/bde26a1261a8493c8c10d429c687cef2
Autor:
V. Ju. Stetsenko, R. V. Konovalov
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 44-46 (2010)
Increase by 30–40% the linear speed of solidification of ingot with diameter 100 mm, to produce the castings with eutectic modified microstructure.
Externí odkaz:
https://doaj.org/article/7d11078eebc74b7c950db06c23fb764a
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 17-18 (2011)
It is shown that the maximum cooling ability of the flooded stream with diameter of 3,5 mm at input pressure of the cooler 0,1–0, 25 µPa is reached at distance between the stream nozzle and the cooled surface, equal 8 mm.
Externí odkaz:
https://doaj.org/article/032e977c322f4a8e8bc28c0d800e0a5f
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 118-119 (2009)
It is shown that continuous horizontal casting of alloy AK12 in jet crystallizer allows to obtain ingots of 70 mm in diameter with superfine microstructure without application of modifying fluxes and addition alloys
Externí odkaz:
https://doaj.org/article/294aa830326645e78d7976b7d41c4da4
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 120-121 (2009)
Procedure of definition of rational design of the device of submerged-Jet secondary cooling of billets of 75 mm in diameter is developed. It is shown that the maximum cooling ability of the device is reached at width of ring slot of 10 mm and distanc
Externí odkaz:
https://doaj.org/article/f92e6534f6524b5b8df0115f6fe137fe
Determination of heat transfer coefficients during solidification of a casting in a jet crystallizer
Publikováno v:
Journal of Engineering Physics and Thermophysics. 85:195-202
The problem of determining heat transfer coefficients in thermal processes described by nonlinear initial boundary-value problems for heat conduction equations in a cylindrical coordinate system is considered subject to axial symmetry. An algorithm i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9504f652a5a3e8cc9301afbd705a3f14
https://doi.org/10.1007/s10891-012-0638-5
https://doi.org/10.1007/s10891-012-0638-5