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The New Jersey Institute of Technology's
Electronic Theses & Dissertations Project

Title: Investigation of velocity distribution within high speed waterjet
Author: Cao, Hong
View Online: njit-etd1995-071
(xv, 83 pages ~ 2.2 MB pdf)
Department: Department of Mechanical and Industrial Engineering
Degree: Master of Science
Program: Mechanical Engineering
Document Type: Thesis
Advisory Committee: Geskin, E. S. (Committee chair)
Chen, Rong-Yaw (Committee member)
Ji, Zhiming (Committee member)
Date: 1995-01
Keywords: Laser Doppler velocimeter.
Water jets.
Fluid dynamic measurements.
Availability: Unrestricted
Abstract:

The aim of this research was to investigate velocity distribution within the water jet at different conditions of jet formation. The water jet (WJ) velocity was measured by the use of Laser Transit Anemometer (LTA) and statistical technique which improved the accuracy of the velocity determination.

The velocities were measured for different diameters of the sapphire nozzle under different water pressures at different axial stand off distances and radial distances across the jet. The experiments performed in this study enabled us to evaluate the effects and conditions of the water jet on the velocity distribution. The acquired results provide information for the nozzle formation and establishing numerical model for predicting the jet properties. Important peculiarities of the jet behavior were also identified.


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