Added Mass of a Spherical Cap Body

0430348 - ÚCHP 2015 RIV GB eng J - Journal Article
Šimčík, Miroslav - Punčochář, Miroslav - Růžička, Marek
Added Mass of a Spherical Cap Body.
Chemical Engineering Science. Roč. 118, OCT 18 (2014), s. 1-8. ISSN 0009-2509. E-ISSN 1873-4405
R&D Projects: GA MŠMT(CZ) LD13018
Institutional support: RVO:67985858
Keywords : spherical cap * added mass * single particle
Subject RIV: CI - Industrial Chemistry, Chemical Engineering
Impact factor: 2.337, year: 2014

The added mass coefficient C was determined for a single spherical-cap body moving in a uniform unbounded fluid. An approximate simple physical model for C was suggested and was well compared with the analytical result of Kendoush,which likely is the only available theoretical result in the literature,up to date. The correct result for C was obtained via direct numerical flow simulation with CFD. Both the rigid and deformable (bubble,drop)cap body was considered. An approximate model was suggested for the collective added mass in a swarm of spherical cap bodies. A relation was found between the added mass of an unbounded cap body and a bounded spherical body. Practical explicit correlation formulas for C were obtained,suitable for engineering modelling of multiphase flow systems with bubbles,drops and solids. A relation between the added mass, Darwin drift, and fluid mixing was also noted.
Permanent Link: http://hdl.handle.net/11104/0236629