Recent
Publications:

A.I.
Zhurov, N. Kovacheva, Linear Shear Flow around Porous Sphere,
10^{th}
Jubilee National Congress
on Theoretical and Applied Mechanics, Varna 1316 September 2005,
pp.642647

Toshev,
E. and Kovacheva, N., Hydrodynamic Interaction between Solid
Spherical Particle and Solid Wall, 9^{th}
Workshop on Transport Phenomena in Twophase Flow, Borovetz,
Bulgaria, pp.6368, 2004.

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.2944, 2003.

Kovacheva,
N.T., Secondary Streaming Generated by the HighFrequency
Translational Oscillations of the Inner Sphere in Eccentric
Spherical Annuli, Proc. of the 9th National Congress on
Theoretical and Applied Mechanics, 1922 September 2001, vol. 2,
pp.3641.
Some
works published in Acta Mechanica and ZAMM:

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.535536, 1995.

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.155160, 1993.

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. 8^{th}
Symposium on "Trends in Applications of Mathematics to
Mechanics", Hollabrunn, Austria, 1989) edited by Wilhelm
Schneider, Hans Troger, Franz Ziegler, Longman Scientific &
Technical, pp.158162, 1991 (copublshed in the United States with
John Wiley & Sons, Inc., New York).

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.259272, 1989

Kovatcheva,
N.T., Christov, Ch.I., and Zapryanov, Z.D., Secondary Streaming
for the HighFrequency Viscous Flow in Eccentric Spherical
Annuli, ZAMM (Z. angew. Math. Mech.), v.68, No.2, pp.121125,
1988.
