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By H. Y. Li, E. S. Geskin, E. I. Gordon (auth.), A. Lichtarowicz (eds.)

This quantity comprises papers awarded on the eleventh foreign convention on Jet slicing know-how, held at St. Andrews, Scotland, on 8-10 September 1992.
Jetting concepts were effectively utilized for a few years within the box of cleansing and descaling. at the present time, despite the fact that, jet slicing is utilized in operations as different as elimination cancerous growths from the human physique, decommissioning sunsea installations and disabling explosive munitions.
the range is mirrored within the papers provided on the convention. The papers have been divided into a number of major sections: jetting fundamentals -- fabrics; jetting fundamentals -- fluid mechanics; mining and quarrying; civil engineering; new advancements; petrochem; cleansing and floor therapy; and production.
The top of the range of papers provided on the convention has extra strengthened its place because the most excellent occasion within the box. the amount could be of curiosity to researchers, builders and brands of structures, gear clients and contractors.

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Example text

The waviness can be predicted from Equation (14). This is the most common case in which the adjacent locations of AWI penetrations are overlapped, resulting in a continuous through-cut over the entire thickness of the workpiece (Figure lla). The less the overlap is, the deeper the striations. The limiting case occurs when the adjacent locations of the AWI at the bottom of the kerf are just tangent to each other, as shown in Figure 116. This case results in the material being barely through-cut, and the striation (waviness) amplitude is at its maximum at the bottom of the cut.

Buletinul al Universita ii Tehnice Tim! Fo, Semercan, AoAo, Filler, FoM. Ao, Znacenie re~ivera pri istecenii vodjanoj strui sverhzvukovoi skorosti o Zurnal Tehniceskoj Fiziki, 1957, Tom XXVII, No. RAMAKRISHNAN Research Scholar Associate Professor Mechanical Engineering Department Indian Institute of Technology BOMBAY-400 076, INDIA. ABSTRACT The analysis of the gas abrasive flow in Abrasive Jet Machining is complex s~nce distribution of particle sizes, momentum coupling between the gas and abrasive phases, velocity distribution of particles, and the velocity lag are to be considered.

K. M. (1986) "A Model for the Surface Finish in Abrasive-Waterjet Cutting, " in Proceedings of the 8th International Symposium on Jet Cutting Technology, Durham, England; sponsored by BHRA, Cranfield, UK. Webb, K. E. S. , University of Nebraska, Lincoln. ACKNOWLEDGMENTS This work was supported by the National Science Foundation under SBIR award number ISI-8860750. The author is grateful to this support. The support of Flow International in preparing this paper is also greatly appreciated. JEITING BASICS - FLUID MECHANICS ATTENUATOR'S VOLUME INFLUENCE ON HIGH PRESSURE'S PULSATIONS IN A JET CUTTING UNIT ROMEO SUSAN-RESIGA Technical University of Timisoara Bd.

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