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Method for Calculating Pressure Losses in an Upward Cocurrent Flow

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Abstract

In an upward cocurrent gas-liquid flow in a vertical tube, the dependence of the pressure gradient on the gas velocity is known to be extremal. At a certain gas velocity w = w 0, the pressure gradient takes the minimal value ϕ = ϕ0. It is also known that stable modes of upward cocurrent flow, which are of the greatest practical importance for adsorption processes, occur at w ≥ w 0. By analyzing a large body of primary experimental data obtained by various researchers over a wide parameter range, corrections are made to a known relation between the pressure gradient and the gas velocity in a column. An algorithm for calculating the pressure loss is developed.

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Authors and Affiliations

  1. Moscow State University of Environmental Engineering, Staraya Basmannaya ul. 21/4, Moscow, 107884, Russia

    V. N. Novozhilov & A. M. Kutepov

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  1. V. N. Novozhilov
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  2. A. M. Kutepov
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__________

Translated from Teoreticheskie Osnovy Khimicheskoi Tekhnologii, Vol. 39, No. 3, 2005, pp. 319–326.

Original Russian Text Copyright © 2005 by Novozhilov, Kutepov.

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Novozhilov, V.N., Kutepov, A.M. Method for Calculating Pressure Losses in an Upward Cocurrent Flow. Theor Found Chem Eng 39, 299–306 (2005). https://doi.org/10.1007/s11236-005-0078-4

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  • DOI: https://doi.org/10.1007/s11236-005-0078-4

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