...Subrat Garnayak; Subhasisa Rath For the very first time, this study attempts to address the heat dissipation from an isothermal ribbed sphere under the action of pure natural convection. Semicircular ribs of different radii are superimposed azimuthally on the outer surface of a sphere. The addition...

...R. Ganapathy Free convective heat and mass transfer from a sphere of constant temperature and concentration buried in an unbounded porous medium is studied analytically assuming the validity of the Darcy flow model. Using a regular perturbation analysis, transient and steady-state solutions have...

...Andreas Richter; Petr A. Nikrityuk This work is devoted to the numerical investigation of heat and fluid flow past a sphere with a centric, cylindrical bore. Such spherical rings are of interest in many technological processes. In chemical reactors, for example, spherical rings are used...

.... 16 10 2008 13 01 2009 05 06 2009 entropy finite volume methods heat transfer ice melting solidification latent heat storage heat transfer efficiency energy exergy encapsulated ice discharging sphere cylinder slab temperature Due to the current...

... leads to a generalization that encompasses the cases considered herein. solidification sphere simulation voids Phase change in spherical geometry is of great interest from the theoretical point of view and is of importance for the development of processes based on the use of latent heat...

...Douglas L. Oliver The results of Eq. 16 are compared with the special case of C = 0 on Fig. 1 at the sphere surface ( r = 1 ) and on Fig. 2 at a distance of one radius into the surrounding material ( r = 2 ) . As is demonstrated in Figs. 1 2...

...Sui Lin; Zheng Jiang Freezing processes taking place in a plate, a cylinder and a sphere are investigated by using the improved quasi-steady analysis model developed in the present study. In the improved quasi-steady analysis, an additional term is added to the temperature profile to simulate...