A Proposed Solution for the Settling Velocity of Coplanar Aggregates of Identical Spheres in Creeping Motion.

Journal of Applied Fluid Mechanics

Yuri Mendez¹ 

[1] 196 Britannia Road, Ottawa, On. K2B 5W9. Canada;

关键词: Doublet;    Triplet;    Settling velocity;    Wall shear;    Expansion;    Non spherical particles;    Spherical aggregates;    Pressure gradient.;   

DOI  :  

来源: DOAJ

【 摘 要 】

This paper derives a solution for the settling velocity of isolated coplanar aggregates of n identical spherical particles in creeping motion based on the Wall Shear-Pressure Gradient-Expansion model (WPE) previously derived by the author. The solution is reached by developing geometry-equilibrium mathematical constructs to decide on the dimensions of the free ambient expansions surrounding the aggregates to compute the entire velocity profile. A rational to decide on the orientation and stability of rotation is also proposed. The results compare well with the outcome of available theory and some relevant data sets.

【 授权许可】

Unknown