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Diagrams for determination of film thickness in an ascending cocurrent flow

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Abstract

A theoretically obtained relationship between specific reflux density and film thickness in an ascending cocurrent flow (laminar wave-free flow of liquid over a vertical plane) is examined. A diagram for determination of the film thickness in constant-diameter tubes for a water-air system, and correction curves for this diagram are presented. A diagram is constructed for determination of the film thickness in variable-diameter tubes, which is more general — not constrained by specific properties of the liquid and gaseous phases. Examples of the use of the diagram are presented.

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Authors and Affiliations

  1. NPF NOVOTEKh, Moscow, Russia

    V. N. Novozhilov

  2. Moscow State University of Engineering Ecology (MGUIE), Moscow, Russia

    D. A. Baranov & V. I. Voitovich

Authors
  1. V. N. Novozhilov
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  2. D. A. Baranov
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  3. V. I. Voitovich
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 7, pp. 5–7, July, 2008.

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Novozhilov, V.N., Baranov, D.A. & Voitovich, V.I. Diagrams for determination of film thickness in an ascending cocurrent flow. Chem Petrol Eng 44, 357–361 (2008). https://doi.org/10.1007/s10556-008-9072-0

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  • DOI: https://doi.org/10.1007/s10556-008-9072-0

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