Abstract
It is noted that regular structured packings, which permit maximum development of the contact surface, are coming into increasingly greater use in the chemical, petroleum-refining, petrochemical, and other branches of industry for implementation of heat-and mass-exchange processes in liquid-vapor (gas) systems. It is demonstrated that for equal surface areas of the elements of irregular and regular granular beds and equal Reynolds numbers, the coefficients of mass exchange are approximately equal, while the coefficient of hydraulic resistance of the regular packing is three orders lower. A simple packing in the form of a block with parallel through channels (passages) is investigated on a structural and production basis. A relationship is presented for the specific surface of the channel and the size of the cell, and it is established that the specific surface, and of course, the active surface decreases by a factor of 30 as the size of the cell increases from 0.5 to 15 mm. The influence exerted by the cross section of the channel on head loss is also demonstrated.
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References
V. A. Ostapenko and M. G. Slin’ko, “Some aerodynamics problems of catalytic reactors,” Collection of Scientific Works “Aerodynamics of Chemical Reactors” [in Russian], Izdatel’skaya Komissiya, Sibirskoe Otdelenie Akademii Nauk SSSR, SKTB Katalizatorov MKHP, Novosibirsk (1976), pp. 5–31.
I. I. Gel’perin, A. M. Kagan, A. S. Bushnov, and V. Yu. Roloff, “Stabilization assessment of the velocity profile of a gas flow in a fixed granular bed,” Khim. Prom., No. 8, 470–473 (1983).
A. A. Makhnin, “Intensification of heat exchange during absorption cleaning of organic solvents from ventilated effluents,” Khim. Neft. Mashinostr., No. 2, 15–16 (2007).
I. A. Arkharov and E. S. Navasardyan, “Simulation of heat and mass exchange in regular packings of distillation towers,” Khim. Neft. Mashinostr., No. 9, 22–25 (2006).
V. M. Ramm, Absorption of Gases [in Russian], 2nd edition, revised and supplemented, Khimiya, Moscow (1976).
S. S. Kutateladze, Heat Transfer and Hydrodynamic Resistance: Reference Manual [in Russian], Moscow (1990).
R. G. Bogoyavlenskii, Hydrodynamics and Heat Exchange in High-Temperature Nuclear Reactors with Spherical Fuel Elements [in Russian], Atomizdat, Moscow (1978).
A. S. Pushnov, M. G. Berengarten, and A. I. Shustikov, “Effect of the geometry of regular-packing channels on hydrodynamics,” Silumos Energetika ir Technologijos — 2007, Technologija, Kaunas (2007), pp. 203–208.
A. A. Zhukauskas, Convective Transfer in Heat Exchangers [in Russian], Nauka, Moscow (1982).
J. Kont-Bello, Turbulent Flow in a Parallel-Wall Channel [Russian translation], Mir, Moscow (1968).
A. D. Al’tshul, Hydraulic Resistances [in Russian], 2nd edition, revised and supplemented, Nedra, Moscow (1982).
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 6, pp. 3–4, June, 2008.
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Pushnov, A.S., Berengarten, M.G., Lagutkin, M.G. et al. Effect of channel geometry in regular ceramic packings on the hydrodynamics of heat and mass exchange. Chem Petrol Eng 44, 307–311 (2008). https://doi.org/10.1007/s10556-008-9054-2
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DOI: https://doi.org/10.1007/s10556-008-9054-2