5 papers
Wetting film dynamics and stability
B. Radoev, K. W. Stoeckelhuber, R. Tsekov +1
Although the wetting films are similar in many aspects to other thin liquid films, there are some differences in their behavior, too. In contrast to soap and emulsion films, whose…
Where is liquid-vapor interface located in solutions?
R. Tsekov, B. Cohen, B. Radoev +1
Two-component liquid-vapor systems are modeled as two bulk phases divided by a two-dimensional surface phase and the mass and momentum balances are theoretically studied. Comparing…
Transport coefficients in composites
K. Dimitrov, B. Radoev, R. Tsekov
The Maxwell approach from electrostatics is applied for calculation of transport coefficients in composites. The viscosity of a dilute emulsion is obtained as a function of the vol…
On the rheology of a liquid-vapor interface
Roumen Tsekov, Boryan Radoev
The mass and momentum balances are theoretically studied in heterogeneous two-component systems. Following Gibbs the system is presented as two bulk and a single surface phases. Co…
On the velocity autocorrelation function of a Brownian particle
Roumen Tsekov, Boryan Radoev
Memory effect of Brownian motion in an incompressible fluid is studied. The reasoning is based on the Mori-Zwanzig formalism and a new formulation of the Langevin force as a result…