Unsteady free convection from a heated sphere at high Grashof number
Abstract
The freeconvective boundarylayer flow over the surface of a sphere whose temperature is suddenly raised to a value greater than its surroundings is considered. Numerical solutions of the boundarylayer equations are presented which give a complete description of the flow and which confirm the appearance of a singularity in the solution at the upper pole after a finite time.
 Publication:

Journal of Engineering Mathematics
 Pub Date:
 December 1983
 DOI:
 10.1007/BF00040179
 Bibcode:
 1983JEnMa..17..355O
 Keywords:

 Boundary Layer Flow;
 Convective Flow;
 Free Convection;
 Hot Surfaces;
 Spheres;
 Unsteady Flow;
 Boundary Layer Equations;
 Grashof Number;
 Singularity (Mathematics);
 Fluid Mechanics and Heat Transfer