| 1. |
- Rudenko, Oleg, et al.
(författare)
-
Control of the Self-Assembly Processes in a Droplet of a Colloidal Solution by an Acoustic Field
- 2010
-
Ingår i: Acoustical Physics. - : Pleiades Publishing. - 1063-7710 .- 1562-6865. ; 56:6, s. 935-941
-
Tidskriftsartikel (refereegranskat)abstract
- The formation of structured films consisting of ensembles of micro- or nanoparticles and possessing preset functional characteristics is studied both experimentally and theoretically. The films are obtained by drying out droplets of colloidal solutions on a solid substrate under the acoustic effect produced by a standing SAW field.
|
|
| 2. |
- Lebedev-Stepanov, P.V., et al.
(författare)
-
Acoustic Flows in a Fluid Layer on a Vibrating Substrate
- 2013
-
Ingår i: Acoustical Physics. - : Pleiades Publishing, Ltd.. - 1063-7710 .- 1562-6865. ; 59:6, s. 640-643
-
Tidskriftsartikel (refereegranskat)abstract
- The field of radiation forces in a fluid layer on a solid substrate is calculated. This field is formed during propagation of surface capillary wave along a free surface. The wave is excited by substrate vibrations as a result of instability development. The structure of acoustic flows is studied. Their effect on small size particles and the possibilities of generating ordered structures from these particles are discussed.
|
|
| 3. |
- Lebedev-Stepanov, P. V., et al.
(författare)
-
Acoustic microfluidics : Capillary waves and vortex flows in the cylindrical volume of a fluid drop
- 2015
-
Ingår i: Acoustical Physics. - 1063-7710 .- 1562-6865. ; 61:2, s. 173-177
-
Tidskriftsartikel (refereegranskat)abstract
- We calculate the field of radiation forces in a cylindrical fluid layer on a solid substrate formed as a result of the action on a fluid of a capillary wave propagating from the axis along a free surface. We study the structure of acoustic flows excited by the radiation forces. We discuss the action of flows on small-sized particles and the possibilities of these particles to form ordered structures. © 2015, Pleiades Publishing, Ltd.
|
|
| 4. |
- Rudenko, Oleg, et al.
(författare)
-
Wave anisotropy of shear viscosity and elasticity
- 2014
-
Ingår i: Acoustical Physics. - : MAIK NAUKA/INTERPERIODICA/SPRINGER. - 1063-7710 .- 1562-6865. ; 60:6, s. 710-718
-
Tidskriftsartikel (refereegranskat)abstract
- The paper presents the theory of shear wave propagation in a "soft solid" material possessing anisotropy of elastic and dissipative properties. The theory is developed mainly for understanding the nature of the low-frequency acoustic characteristics of skeletal muscles, which carry important diagnostic information on the functional state of muscles and their pathologies. It is shown that the shear elasticity of muscles is determined by two independent moduli. The dissipative properties are determined by the fourth-rank viscosity tensor, which also has two independent components. The propagation velocity and attenuation of shear waves in muscle depend on the relative orientation of three vectors: the wave vector, the polarization vector, and the direction of muscle fiber. For one of the many experiments where attention was distinctly focused on the vector character of the wave process, it was possible to make a comparison with the theory, estimate the elasticity moduli, and obtain agreement with the angular dependence of the wave propagation velocity predicted by the theory.
|
|
