Hydroentangling jet strip device defining an orifice

Details Hydroentangling jet strip device defining an orifice Hydroentangling jet strip device defining an orifice

2007-12-04

2007-12-04

Nguyen, Dung Van (Department: 3723)

Abrading

Machine

Sandblast

C451S040000

Reexamination Certificate

active

11008583

ABSTRACT:
A hydroentangling jet strip device is provided, wherein such a device comprises a plate member having opposing sides and defining at least one nozzle orifice extending between the opposing sides. Each of the at least one nozzle orifice includes an axially-extending capillary portion having an aspect ratio between a length of the capillary portion and a diameter of the capillary portion, wherein the aspect ratio is less than about 0.70 so as to be capable of providing a cavitation-free constricted waterjet.

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Begenir et al., “The Role of Orifice Design in Hydroentanglement”, Master of Science Thesis, North Carolina State University, Raleigh. 2002.
Ghassemieh et al., “Effect of Nozzle Geometry on the Flow Characteristics of Hydroentangling Jets”,Textile Res. J., 2003, pp. 444-450, vol. 73 No. 5.
Tafreshi et al., “The Effects of Nozzle Geometry on Waterjet Breakup at High Reynolds Numbers”,Experiments in Fluids, 2003, pp. 364-371, vol. 35.

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