SYMPOSIA PAPER Published: 01 January 1979
STP35813S

Adaptation of Jet Accumulation Techniques for Enhanced Rock Cutting

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The velocity of a waterjet can be increased when the jet impacts a target material or another waterjet. A theory describing such augmentation in terms of velocity, mass, and energy change is considered. The phenomenon is sensitive to jet structure and the jet velocity profile. Jet velocity profiles do not remain constant over great distances from the nozzle, and ultimately disrupt into droplets. Within the droplet the profile is more regular and the velocity constant. The theory is extended to cover the case of droplet collisions, and experimental evidence of jet augmentation and its effects is presented.

Author Information

Mazurkiewicz, M
Instytut Technologii Budowy Maszyn, Politechnika Wroclawska, Poland
Barker, CR
Rock Mechanics and Explosives Research Center, University of Missouri-Rolla, Rolla, Mo.
Summers, DA
Rock Mechanics and Explosives Research Center, University of Missouri-Rolla, Rolla, Mo.
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Details
Developed by Committee: G02
Pages: 473–492
DOI: 10.1520/STP35813S
ISBN-EB: 978-0-8031-4737-9
ISBN-13: 978-0-8031-0334-4