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RISA Numerical Method of Determining the Rate of Evaporation of Small Water Drops Falling at Terminal Velocity in Air
Publisher: American Meteorological Society
Abstract: Accurate, numerical solutions of the Navier-Strokes equations of motion and the equation of mass transfer have been obtained for the steady-state transfer of a chemically inert substance from the surface of a single rigid ...
A Numerical Study of the Effect of Forced Convection on Mass Transport from a Thin Oblate Spheroid of Ice in Air
Publisher: American Meteorological Society
Abstract: Numerical solutions have been found for the vapor density field around a simple ice plate, idealized as an oblate spheroid of axis ratio 0.05, having Reynolds numbers between 0.1 and 20, and failing in a fluid of Schmidt ...
A Numerical Investigation of the Efficiency with which Simple Columnar Ice Crystals Collide with Supercooled Water Drops
Publisher: American Meteorological Society
Abstract: The Navier-Stokes equation of motion for two-dimensional, viscous, steady-state incompressible flow past an infinitely long circular cylinder was solved by numerical techniques for Reynolds numbers between 0.1 and 50. From ...
A Numerical Study of Viscous Flow Past a Thin Oblate Spheroid at Low and Intermediate Reynolds Numbers
Publisher: American Meteorological Society
Abstract: The flow past a thin oblate spheroid falling at terminal velocity in an infinite, viscous fluid was investigated using a numerical solution of the steady-state Navier-Stokes equations of motion. The detailed streamfunction ...
A Numerical Determination of the Efficiency with Which Spherical Aerosol Particles Collide with Spherical Water Drops Due to Inertial Impaction and Phoretic and Electrical Forces
Publisher: American Meteorological Society
Abstract: A theoretical model to compute the efficiency with which aerosol particles of radius 0.5≤r≤10 ?m collide with water drops of radius a=42, 72, 106, 173, 309 and 438 ?m falling at terminal velocity in air is presented. ...
A Numerical Study of the Drag on a Sphere at Low and Intermediate Reynolds Numbers
Publisher: American Meteorological Society
Abstract: Accurate solutions of the steady-state Navier-Stokes equations of motion have been obtained by means of a numerical method to determine the hydrodynamic drag on a rigid sphere falling at its terminal velocity in an unbounded ...
A Numerical Investigation of the Effect of Electric Charges and Vertical External Electric Fields on the Collision Efficiency of Cloud Drops
Publisher: American Meteorological Society
Abstract: The aerodynamic interaction between electrically charged cloud drops in the presence of vertical external electric fields was numerically investigated for 800 mb and +10°C. The collector drops had radii between 11.4 and ...
A Theoretical and Experimental Study of the Internal Circulation in Water Drops Falling at Terminal Velocity in Air
Publisher: American Meteorological Society
Abstract: Four theoretical approaches are presented for quantitatively determining the intensity of the internal circulation and the flow patterns inside and outside liquid water spheres falling at terminal velocity in air. The first ...
A Numerical Investigation of the Effect of Electric Charges and Vertical External Electric Fields an the Collision Efficiency of Cloud Drops: Part II
Publisher: American Meteorological Society
Abstract: The numerical model of Schlamp et al. (1976) for determining the collision efficiency of electrically charged or unchanged cloud drops in the presence or absence of a vertical electric field has been extended to study the ...