TANEKO Company

Nizhnekamsk, Russia

TANEKO Company

Nizhnekamsk, Russia

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Laptev A.G.,Kazan State Power Engineering University | Basharov M.M.,TANEKO Ltd Corporation
Journal of Engineering Physics and Thermophysics | Year: 2015

Semiempirical approaches to the determination of the average coefficients of heat transfer from rough surfaces of channels are considered. The expressions obtained on the basis of the boundary-layer models of Prandtl, Deissler, Hanratty, and von Kármán are given. The possibility of calculating the parameters of these expressions with account for the channel surface roughness is shown. A comparison of the results of calculations of Nusselt numbers for rough channels from the obtained formulas with calculations by the familiar formulas and with corresponding experimental data is made. A generalizing expression for rough channels has been obtained. © 2015 Springer Science+Business Media New York


Laptev A.G.,Kazan Federal University | Farakhov M.I.,Inzhekhim Engineering Implementation Center | Basharov M.M.,TANEKO Company
Chemical and Petroleum Engineering | Year: 2014

Fundamental problems involving ethylene production and means of their solution are examined. New contact packings and structured contact trays are presented for use in gas-separation units for modernization of tower equipment, and in gas separators (oil catchers). © 2014 Springer Science+Business Media New York

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