Closed streamline flows past rotating particles: Inertia effects, lateral migration, heat transfer
Abstract
The behavior of rotating cylinders and spheres freely suspended in twodimensional linear shear fields was studied for three separate cases. In the first study, it was found experimentally that the flow around a cylinder or a sphere, freely rotating in a simple shear flow, is steady only up to a particle shear Reynolds number Re of about 6, beyond which the flow in the immediate vicinity of the body develops instabilities. The second study is an experimental investigation into the lateral migration of a neutrally buoyant rigid sphere freely suspended in a rectilinear Couette flow, for particle shear Reynolds numbers Re up to about 6. In the final study, a heat transfer problem was solved, first for an infinitely long, heated cylinder and then for a small, heated sphere, each freely suspended in a general linear flow at Reynolds numbers Re much greater than 1.
 Publication:

Ph.D. Thesis
 Pub Date:
 December 1975
 Bibcode:
 1975PhDT........31P
 Keywords:

 Heat Transfer;
 Inertia;
 Migration;
 Rotating Cylinders;
 Rotating Spheres;
 Shear Flow;
 Couette Flow;
 Laminar Flow;
 Reynolds Number;
 Fluid Mechanics and Heat Transfer