Numerical study of the enhancement produced in absorption processes using surfactants

International Journal of Heat and Mass Transfer

Volumn 47, Issue 14-16, 2004, Pages 3463-3476

  Castro, J ^a   Leal, L ^a   Perez Segarra C D ^a   Pozo, P ^a  

^a UNIVERSITAT POLITÈCNICA DE CATALUNYA   (Spain)

Author keywords

1 octanol; 2 Ethyl 1 hexanol; Absorption; CSF; Falling film; Free surface; LiBr; Navier stokes; Refrigeration; Surfactants; VOF

Indexed keywords

ABSORPTION; MASS TRANSFER; NAVIER STOKES EQUATIONS; NUMERICAL METHODS; SURFACE ACTIVE AGENTS;

ABSORPTION ENHANCEMENT; MARANGONI EFFECT;

HEAT TRANSFER;

ADSORPTION; HEAT TRANSFER; MATHEMATICAL ANALYSIS; MODEL; NAVIER-STOKES EQUATIONS;

EID: 2342539009     PISSN: 00179310     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijheatmasstransfer.2004.01.012     Document Type: Article

References (21)

1. J.W. Andberg, Absorption of vapours into liquid films flowing over cooled horizontal tubes, Ph.D. thesis, University of Texas, Austin, USA, 1986
2. R. Wassenaar, Simultaneous heat and mass transfer in a horizontal tube absorber, Ph.D. thesis, Delft University of Technology, The Netherlands, 1994
3. W.A. Miller, H.P. Blanco, Vertical-tube aqueous LiBr falling film absorption using advanced surfaces, in: Proceedings of the International Absorption Heat Pump Conference, vol. 31, ASME, 1993, pp. 185-202
4. Ziegler F. Grossman G. Review paper: heat transfer enhancement by additives International Journal of Refrigeration 19 5 1996 301-309
5. Hihara E. Saito T. Effect of surfactant on falling film absorption International Journal of Refrigeration 16 5 1993 339-346
6. Daiguji H. Hihara E. Saito T. Mechanism of absorption enhancement by surfactant International Journal of Heat and Mass Transfer 40 8 1997 1743-1752
7. J. Castro, C. Oliet, H. Schweiger, A. Oliva, Application of a two-dimensional model for the study of water vapour absorption in falling films of LiBr aqueous solutions with the action of a surfactant, in: Proceedings of the Fourth European Computational Fluid Dynamics Conference (ECCOMAS), vol. 1, Athens, 1998, pp. 286-291
8. Hozawa M. Ionue M. Sato J. Tsukada T. Imaishi N. Marangoni convection during steam absorption into aqueous LiBr solution with surfactant Journal of Chemical Engineering of Japan 24 1991 209-214
9. M.S. Koenig, G. Grossman, K. Gommed, Additive-induced enhancement of heat and mass transfer in a static absorber: A numerical study, in: Proceedings of the International Absorption Heat Pump Conference, Munich, 1999, pp. 359-366
10. Min J.K. Choi D.H. Analysis of the absorption process on a horizontal tube using Navier-Stokes equations with surface-tension effects International Journal of Heat and Mass Transfer 42 24 1999 4567-4578
11. Hirt C.W. Nichols B.D. Volume of fluid (VOF) method for the dynamics of free boundaries Journal of Computational Physics 39 1981 201-225
12. Brackbill J.U. Kothe D.B. Zemach C. A continuum method for modelling surface tension Journal of Computational Physics 100 1992 335-354
13. Patankar S. Numerical heat transfer and fluid flow 1980 McGraw-Hill
14. J. Castro, L. Leal, M. Soria, A. Oliva, Calculation of enhanced water vapour absorption in falling films of LiBr aqueous solutions using the domain decomposition method, in: Proceedings of the European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS), volume in CD format, Barcelona, 2000
15. Ashrae, ASHRAE HANDBOOK Fundamentals, 1997
16. Kelkar K.M. Patankar S.V. Numerical method for the prediction of free surface flows in domains with moving boundaries Numerical Heat Transfer, Part B 31 1997 387-399
17. Kothe D.B. Mjolsness R.C. RIPPLE: A new model for incompressible flows with free surfaces AIAA journal 30 11 1992 2694-2700
18. Sasmal G.P. Hochstein J.I. Marangoni convection with a curved and deforming free surface in a cavity Journal of Fluids Engineering 116 1994 577-582
19. Kim K.J. Berman N.S. Wood B.D. Surface tension of aqueous lithium bromide+2-ethyl-1-hexanol Journal of Chemical Engineering Data 39 1994 122-124
20. Koenig M.S. Grossman G. Gommed K. The role of surfactant adsorption rate in heat and mass transfer enhancement in absorption heat pumps International Journal of Refrigeration 26 2003 129-139
21. Kulankara S. Herold K.E. Surface tension of aqueous lithium bromide with heat/mass transfer enhancement additives: The effect of additive vapor transport International Journal of Refrigeration 25 2002 383-389