Fluid handling – Processes – Affecting flow by the addition of material or energy
Patent
1990-01-05
1991-03-12
Chambers, A. Michael
Fluid handling
Processes
Affecting flow by the addition of material or energy
137828, F15C 104
Patent
active
049985531
ABSTRACT:
The movement of particles in a liquid flowing in a duct is controlled by an ultrasonic standing wave having nodal fronts at a small angle to one pair of side walls of the duct. As the liquid flows along the duct, particles responsive to the acoustic energy are held on the oblique nodal fronts and are carried along these by the flow so that they also move towards one side wall. Particles in the vicinity of that one side wall are swept from the nodal fronts by the liquid drag forces. At the duct exit the particles will therefore tend to be concentrated in that portion of the liquid flow that passes nearer said one wall.
REFERENCES:
patent: 2949166 (1960-08-01), Coleman et al.
patent: 3398758 (1968-08-01), Unfried
patent: 3500951 (1970-03-01), Beeken
patent: 3500952 (1970-03-01), Beeken
patent: 3529615 (1970-09-01), Kishel
patent: 3604441 (1971-09-01), Rockwell, Jr.
patent: 3730202 (1973-05-01), Wolf
patent: 3785405 (1974-01-01), Quinn
H. W. Curtis and E. J. Stephans, "Ultrasonic Continuous Flow Plasmapheresis Separator", IBM Technical Disclosure Bulletin, vol. 25, No. 1, Jun., 1982.
Chambers A. Michael
National Research Development Corporation
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