Exact(2)
The crust is a cool boundary layer and a density filter, which impedes the upward transfer of hot, dense "primary" picritic and komatiitic liquids.
An optimally designed piston head crevice, determined by a number of criteria, can largely overcome this problem by eliminating the mixing of the cool boundary layer gas with the hot compressed core gas.
Similar(58)
The lack of shape effects were attributed to the three-sided cooling boundary conditions.
The main unknowns of the design problem are the heating and/or cooling boundary conditions on the mold walls.
Two cases are examined: (a) constant temperature boundary conditions and (b) asymmetric convective cooling boundary conditions for inside and outside surfaces.
Porous tubes or channels have been under considerable attention because of their various applications in biomedical engineering, design of filters, transpiration cooling boundary layer control, and gaseous diffusion.
Also the flow in porous tubes or channels has been under considerable attention in recent years because of its various applications in biomedical engineering, transpiration cooling boundary layer control, and gaseous diffusion.
Resolution of phase change is first checked by comparison with the analytical results of Worster [M.G. Worster, Solidification of an alloy from a cooled boundary, J. Fluid Mech. 167 (1986) 481 501] for purely diffusive solidification.
As they form in areas of minimal vertical wind shear, the thunderstorm's rainfall creates a moist and relatively cool outflow boundary with undercuts the storm's low level inflow, and quickly causes dissipation.
A cooler mantle would in turn provide a cooler outer boundary for the core, a necessary condition for its own convection to begin and kickstart the dynamo.
While CO can be desirable in some syngas processes, it is a dangerous emission from fires, gas heaters, gas stoves, or furnaces where insufficient oxygen in the core reaction prevents complete oxidation of fuel to carbon dioxide and water, particularly when the reaction is interrupted by interaction with relatively cool solid boundaries.
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