Model of enhancement of vapor absorption in a liquid pool with mass transfer additives

Ganesh R. Iyer, T. Setoguchi, Horacio Perez-Blanco

    Research output: Contribution to journalArticlepeer-review

    2 Scopus citations

    Abstract

    An analysis of the combined heat and mass transfer process taking place in an initially stagnant pool, for absorption of gas and of a vapor is carried out. When the pressure above the pool is constant, as absorption proceeds adiabatically across an interface initially at low temperature, the interface concentration decreases while the interface temperature increases until absorption ceases. In previous work, the assumption of constant interface concentration and temperature limited the applicability of the solution obtained. In the present work, the diffusion and energy equations have been solved yielding concentration and temperature variations depths of the pool. The equations have been solved for both constant interface concentration and temperature and also for interface concentration and temperature varying with time. Comparisons of temperature and concentration profiles without and with additives are given. The solutions obtained are useful for understanding the phenomena of absorption enhancement of vapor in a stagnant pool, and for designing experiments to test the effectiveness of mass transfer additives.

    Original languageEnglish (US)
    Pages (from-to)87-97
    Number of pages11
    JournalJournal of Enhanced Heat Transfer
    Volume1
    Issue number1
    DOIs
    StatePublished - Jan 1 1993

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Mechanical Engineering
    • Fluid Flow and Transfer Processes

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