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Review of Viscous Flows
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ME 437 The National Science Foundation
 Aerosols
Introduction to Aerosols | Drag, Lift Forces | Aerosol Kinetics | Virtual Mass, Basset Forces & BBO Equation | Nonspherical Particles | Brownian Motions | Particle Deposition Mechanisms | Electrodynamics | Aerosol Coagulation |

Drag Force

By taking the limit as ß →∞ in Equations (17)-(21) the drag force on thin disks and needles may be obtained. These are:

Thin Disks of Radius a

For motions perpendicular to the plane of the disk as shown in figure (8a)

(22)

For motions along the plane of the disk as shown in Figure 8b

(23)

Ellipsoidal Needle of Length 2b

For motions along the needle as shown in figure (9a)

(24)

For sideway motions of the needle as shown in Figure 9b

(25)



Dr. Goodarz Ahmadi | Turbulence & Multiphase Fluid Flow Laboratory | Department of Mechanical & Aeronautical Engineering
Copyright © 2002-2005 Dr. Goodarz Ahmadi. All rights reserved.
Potsdam, New York, 13699
ahmadi@clarkson.edu