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Experimental Investigation of Water Jet Orifice Efficiency by a Novel Laser Doppler Velocimetry Technique

[+] Author Affiliations
Massimiliano Annoni, Loredana Cristaldi, Michele Norgia, Cesare Svelto

Politecnico di Milano, Milano, Italy

Paper No. ESDA2006-95537, pp. 839-846; 8 pages
  • ASME 8th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 4: Fatigue and Fracture, Heat Transfer, Internal Combustion Engines, Manufacturing, and Technology and Society
  • Torino, Italy, July 4–7, 2006
  • ISBN: 0-7918-4251-7 | eISBN: 0-7918-3779-3
  • Copyright © 2006 by ASME


The problem of efficiency evaluation of water jet nozzles has been dealt in the present work and a novel Laser Doppler Velocimetry (LDV) technique has been proposed in order to acquire high-speed water velocity at the exit of the cutting head nozzles. A standard LDV technique has been implemented for the first experimental trials with the aim of applying the theoretical approach to measured velocity values. A novel LDV technique has been proposed outlying of the critical aspects to be taken into account for future developments and improvements in measurement dynamic range, resolution, and accuracy.

Copyright © 2006 by ASME



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