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2D numerical model of particle-bed collision in fluid-particle flows over bed
immediately after collision are expressed as function of the particle translational of particle-bed collision is performed. It is shown that this model allows describing double collisions of the parti...
BK - Mechanika tekutin
- 2006 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Collision with bed and magnus effect in numerical simulation of solid particle saltation over rough bed.
The particle motion in an open channel over rough bed is consider. Mainly the process of collision with the bed controls the particle angular velocity. Conditions of the particle-bed collision is discussed...
BK - Mechanika tekutin
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
3D numerical model of an ellipsoidal particle collision with a rough bed
The paper deals with 3D numerical model of an ellipsoidal particle collision with rough bed. The dependences of values of the particle translational and angular velocities immediately after the collision on the val...
BK - Mechanika tekutin
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
Basset history force for the particle-particle collision
In fluid flows with solid particles the particle collisions with other particles are possible. The particle collision results in large particle acceleration to the particle c...
BK - Mechanika tekutin
- 2010 •
- D
Rok uplatnění
D - Stať ve sborníku
3D numerical model of particle-bed collision in particle-laden flow in channels with rough bed
spherical particle-bed impact and rebound for saltation movement of a particle in channels with rough bed. The collision height and the contact point are defined as random variables of the collision process. The <...
BK - Mechanika tekutin
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
3D mathematical model of collision of an ellipsoidal particle with rouhg bed
of the particle-bed collision model. The particle shape influences substantially on the parameters of the collision like this elongated shapes colliding with the bed at the proper orientation seem to result in hig...
BK - Mechanika tekutin
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Numerical model of non-spherical particle saltation
of an ellipsoidal particle saltation movement. The two stages of saltation are considered: the particle movement in fluid and the particle-bed collision. For the first stage the system of equations are derived. Th...
BK - Mechanika tekutin
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Mechanical model of oblique asymmetrical collision of spherical particle with rough flat wall in liquid medium
The dynamics of spherical particle collision with a rough flat wall in liquid environment with respect to the effect of collision angle, liquid viscosity, and the sphere and wall physical parameters was studied experimental...
BK - Mechanika tekutin
- 2013 •
- D
Rok uplatnění
D - Stať ve sborníku
2D numerical simulation of non-spherical particle collision with rough bed
The paper deals with a theoretical analysis of a collision of saltating solid particles of ellipsoid shape with a rough bed. Form known values of translational and rotational velocity of the particle and initial position be...
BK - Mechanika tekutin
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Improvement of calculation of 2D pattern of particle-channel bed collision
2D pattern of collision of the saltating spherical particle with rough bed case is characterised by two random parameters: collision height h and collision angle. The first is the distance between the particle<...
BK - Mechanika tekutin
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
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