Effect of the Nonstationary Viscous Flow in the Capillary on Oscillating Bubble and Oscillating Drop Measurements.
The dynamic behavior of a bubble or drop oscillating at the tip of a capillary immersed in a surfactant solution is considered. The pressure variation in the cell and the nonstationary flow in the capillary are taken into account. The amplitude- and phase-frequency characteristics of the system are obtained, which contain information about the relaxation processes at the interface and in the bulk phases. Their dependency on the system geometry, the bulk properties of contacting media, and the viscoelastic properties of the interface is analyzed. Copyright 2000 Academic Press.
Kovalchuk
VI
Institute of Bio-colloid Chemistry, Ukrainian National Academy of Sciences, 42 Vernadsky Avenue, Kiev, 252680, Ukraine
Krägel
J
Miller
R
Fainerman
VB
Kovalchuk
NM
Zholkovskij
EK
Wüstneck
R
Dukhin
SS