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Heat Transfer Research
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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v32.i4-6.120
7 pages

Calculation of Heat and Mass Transfer Processes in Binary Two-Phase Systems Used in Absorption Thermotransformers

N. I. Grigor'eva
S. S. Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk
V. E. Nakoryakov
S. S. Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Pr. Ac. Lavrentev, 1, Novosibirsk, 630090, Russia

ABSTRACT

Processes of interrelated heat and mass transfer in a film of the solution running off the surface and absorbing vapor which is in contact with the film are studied. The models allowing for heat liberation in absorption that leads to a change in equilibrium values of temperature and concentration on the phase interface are suggested for description of interrelated process of transfer in these systems. On the basis of the solutions obtained a technique is developed for calculation of combined heat and mass transfer in absorption in the case of film running-off along the package of horizontal tubes.


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