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Николина Тодорова Ковачева

Заемана длъжност: Научен сътрудник I ст.

Секция: Сложни и многофазни течения

Стая: 324

Тел.: (02) 979 6454


Научни степени, организация, година:



Доктор по математика, СУ”Свети Климент Охридски”-БАН-Институт по механика, 1992

Области на професионален интерес (ключови думи):

Механика на флуидите, топло-и масообмен

Допълнителна инфомация

Избрани публикации:


Публикации за периода 2001-2005:

  1. A.I. Zhurov, N. Kovacheva, Linear Shear Flow around Porous Sphere, 10th Jubilee National Congress on Theoretical and Applied Mechanics, Varna 13-16 September 2005, pp.642-647

  2. Toshev, E. and Kovacheva, N., Hydrodynamic Interaction between Solid Spherical Particle and Solid Wall, 9th Workshop on Transport Phenomena in Two-phase Flow, Borovetz, Bulgaria, pp.63-68, 2004.

  3. Polyanin, A.D., Zhurov, A.I., and Kovacheva, N.T., Structure of the Solutions of Linear Nonhomogeneous Heat and Mass Transfer Problems, Journal of Theoretical and Applied Mechanics, Sofia, vol.33, No.1, pp.29-44, 2003.

  4. Kovacheva, N.T., Secondary Streaming Generated by the High-Frequency Translational Oscillations of the Inner Sphere in Eccentric Spherical Annuli, Proc. of the 9th National Congress on Theoretical and Applied Mechanics, 19-22 September 2001, vol. 2, pp.36-41.

Публикации в Acta Mechanica и ZAMM:


  1. Kovatcheva, N.T., and Roesner, K.G., Investigation of Secondary Flows Around Oscillating Bodies Using Computer Algebra, ZAMM (Z. angew. Math. Mech.), v.75, SII, pp.535-536, 1995.

  2. Kovatcheva, N.T., Polyanin, A.D., and Kurdjumov, V.N., Mass Transfer from a Particle in a Shear Flow with Surface Reactions, Acta Mechanica 101, pp.155-160, 1993.

  3. Kovatcheva, N.T., and Polyanin, A.D., Convective Diffusion of Particles in a Viscous Liquid with a Variable Diffusion Coefficient, Trends in Applications of Mathematics to Mechanics (Proc. 8th Symposium on "Trends in Applications of Mathematics to Mechanics", Hollabrunn, Austria, 1989) edited by Wilhelm Schneider, Hans Troger, Franz Ziegler, Longman Scientific & Technical, pp.158-162, 1991 (copublshed in the United States with John Wiley & Sons, Inc., New York).

  4. Kovatcheva, N.T., Polyanin, A.D., and Zapryanov, Z.D., The Change of the Diffusivity with the Change of the Concentration of the Solvent in a Solution,. Acta Mechanica 80, pp.259-272, 1989

  5. Kovatcheva, N.T., Christov, Ch.I., and Zapryanov, Z.D., Secondary Streaming for the High-Frequency Viscous Flow in Eccentric Spherical Annuli, ZAMM (Z. angew. Math. Mech.), v.68, No.2, pp.121-125, 1988.



Моделиране и числено симулиране на многофазни среди с твърди частици и мехури (ориентирано към моделиране и оптимизация на технологични процеси като флотация, сепарация и флуидизация на твърди частици).


Членство в научни организации: EUROMECH


Последна промяна:27-12-2015