Institute of Mechanics

Position: Assoc. Prof.

Department: Fluid Mechanics

Room number: 330

Phone: +359 2 979 6459

E-mail: penka@imbm.bas.bg

Scientific degrees, institution, year:

PhD, Sofia University “St. Kl. Ohridski”,

Faculty of Math. and Mech., 1988

Fields of Research:

Asymptotic methods, boundary layers; heat and mass transfer in fluids; thermocapillary and soluto-capillary convection – stability, liquid films.

Recent Publications:

1. Slavtchev S., Kalitzova-Kurteva P., The effect of surface-active solutes on Marangoni instability in liquid-liquid systems, J. Calcutta Math. Soc., vol. 3, No. 1&2. pp. 25-52 (2007).

2. Slavtchev S. G., Kalitzova-Kurteva P. G., Influence of surface-active solutes on Marangoni instability in liquid-liquid systems, In: Proc. Thirty Sixth Spring Conference of the Union of Bulgarian Mathematicians, St. Konstantin & Elena resort, Varna, 2-6 April, 2007, Mathematics and education in mathematics, pp. 305-311 (2007).

3. Kalitzova-Kurteva P. G., Slavtchev S. G., Mendes M. A., Marangoni instability of liquid-liquid systems with a surface-tension-increasing solute, J. Theor. Appl. Mech., vol. 36, № 4, pp. 17-38 (2006).

4. Slavtchev S., Kalitzova-Kurteva P., Mendes M. A., Marangoni instability of liquid-liquid systems with a surface-active solute, Colloids and Surfaces A: Physicochem. Eng. Aspects, vol. 282-283 pp. 37-49 (2006).

5. Slavtchev S., Kalitzova-Kurteva P., Mendes A., Marangoni convection in binary liquid-liquid systems with added surface-active solutes, In: 3^rd International Berlin Workshop (IBW3) on Transport Phenomena with Moving Boundaries, 6^th-7^th October 2005, Berlin, Germany, pp.48-62 (2005).

6. Славчев Славчо, Симеонов Георги, Калицова-Куртева Пенка, Математическое моделирование переноса воды и минеральных солей в коренном модуле космической оранжереи, SES’2005 Scientific Conference “SPACE, ECOLOGY, SAFETY” with International Participation, 10-13 June 2005, Varna, Bulgaria, BOOK II, pp. 326-331 (2005).

7. Kalitzova-Kurteva P., Slavtchev S., Mendes M.-A., Marangoni convection in binary liquid-liquid systems in the presence of surfactants, In: Proc. 10^th International summer school of chemical engineering, Heat and mass transfer processes, chemical and biochemical reactors, May 24-31, 2004, Varna, Bulgaria, pp. 205-209 (2004).

8. Slavtchev S., Kalitzova-Kurteva P., Mendes M.-A., Stationary Marangoni instability of binary liquid-liquid systems with added surfactants, In: Proc. 8^th Workshop on Transport Phenomena in Two-Phase Flow, Sunny Beach’2003, September 13-18, 2003, Bourgas – Sunny Beach, Bulgaria, (Ed. by Ch. Boyadjiev and J. Hristov), pp.1-10 (2003).

9. Simeonov G., Slavtchev S., Kalitzova-Kurteva P., Evaporation of two-component laminar falling liquid films, In: Proc. 6^th Workshop on Transport Phenomena in Two-Phase Flow, Bourgas’2001, September 11-16, 2001, Bourgas, Bulgaria, (Ed. by Ch. Boyadjiev and J. Hristov), pp. 143-149 (2001).

10. Kalitzova-Kurteva P. G., Oscillatory Marangoni convection during non-isothermal gas absorption or desorption, J. Theor. Appl. Mech., vol. 31, No. 1 pp. 9-17 (2001).

11. Kalitzova-Kurteva P. G., Slavtchev S. G., Kurtev I. A., Linear instability in liquid layers on an inclined, non-uniformly heated wall, J. Theor. Appl. Mech., vol. 30, No. 4, pp.12-23 (2000).

12. Slavtchev S., Kalitzova-Kurteva P., Kurtev I., Marangoni instability in a binary liquid layer due to non-isothermal gas absorption, Z. Angew. Math. Mech., v. 80 supp3, pp. S707-S708 (2000).

13. Slavtchev Slavtcho G., Kalitzova-Kurteva Penka G., Kurtev Ivan A., Marangoni convection during non-isothermal gas absorption or desorption, Bulgarian Chemical Communications, vol. 31, № 3/4, pp. 339-361 (1999).

14. Slavtchev S. G., Kalitzova-Kurteva P. G., Kurtev I. A., Oscillatory Marangoni instability in a liquid layer with temperature-dependent viscosity and deformable free surface, Microgravity sci. technol., vol. XI/1, pp. 29-34 (1998).

15. Kalitzova-Kurteva P. G., Slavtchev S. G., Kurtev I. A., Stationary Marangoni instability in a liquid layer with temperature-dependent viscosity and deformable free surface, Microgravity sci. technol., vol. IX/4, pp. 257-263 (1996).

16. Slavtchev S., Miladinova S., Kalitzova-Kurteva P., Unsteady film flow of power-law liquids on a rotating disk, J. Non-Newtonian Fluid Mech., vol. 66, pp. 117-125 (1996).

17. Kalitzova-Kurteva P. G., Slavtchev S. G., Kurtev I., Unsteady heat transfer in a liquid film on a rotating disk, Arch. Mech.,Warszawa, vol. 47, No 6, pp. 1113-1124 (1995).

18. Slavtchev S. G., Kalitzova-Kurteva P. G., An exact solution to the Navier-Stokes equations for unsteady flow in a liquid film on a rotating disk, In: Some Applied Problems in Fluid Mechanics, Ind. Statistical Inst., Calcutta, pp. 45-57 (1993).

19. Kalitzova-Kurteva P. G., Zapryanov Z. D., Boundary layer growth on two circular cylinders, Journal of Engineering Mathematics, vol. 25, pp. 207-221 (1991).

20. Kalitzova-Kurteva P. G., Zapryanov Z. D., Boundary layer growth on two spheres, ZAMP, vol. 41, pp. 20-37 (1990).

Recent Projects:

1. “Marangoni instability in binary mixtures with nonlinear Soret effect”, Joint project between the Department of Fluid Mechanics and Technion-Israel, Institute of Technology, Haifa, 2008-2010.

2. “Marangoni convection in binary mixtures with Soret effect”, Joint project between the Department of Fluid Mechanics and Technion-Israel, Institute of Technology, Haifa, 2006-2007.

3. “Marangoni convection in binary liquid/liquid systems with added surfactants”, Joint project between the Department of Fluid Mechanics and Imperial College, London, UK, 2002-2005.

4. “Improvement of evaporators for nutritional liquids by enhanced surfaces”, INCO-Copernicus Project, № ERB IC15 – CT98 – 0908, 1999-2001.

5. “Mathematical modeling of transport of fluids and nutrients in capillary-porous medium” Project of MES, KI -1-02/03, 2003-2007

Institute of Mechanics tel.: +359 2 973 31 40; fax: +359 2 870 74 98; e-mail: office@imbm.bas.bg