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meleschi1

Module Code: ETD 0429104, Fall 2009

University or Institution: Uni. Worcester

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ULTRASONIC TECHNIQUE IN DETERMINATION OF GRID-GENERATED TURBULENT FLOW CHARACTERISTICS AND CAUSTIC FORMATION by Shangari B. Meleschi A Masters Thesis submitted to the Faculty of the WORCESTER POLYTECHNIC INSTITUTE in partial fulfillment of the requirements for the Degree of Master of Science in Mechanical Engineering by Shangari B. Meleschi April, 2004 Approved: Dr. William W. Durgin, Advisor Dr. Hamid Johari,...

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TECHNIQUE ULTRASONIC IN DETERMINATION OF GRID-GENERATED TURBULENT FLOW CHARACTERISTICS AND CAUSTIC FORMATION by Shangari B. Meleschi A Masters Thesis submitted to the Faculty of the WORCESTER POLYTECHNIC INSTITUTE in partial fulfillment of the requirements for the Degree of Master of in Science Mechanical Engineering by Shangari B. Meleschi April, 2004 Approved: Dr. William W. Durgin, Advisor Dr. Hamid Johari, Committee Member Dr. Zhikun Hou, Grad...

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Uni. Worcester - ETD - 0429104
AbstractThe present study utilizes the ultrasonic travel time technique to diagnose grid generated turbulence. Ultrasonic flow metering technology relies on the measurement and computation of small perturbations in the travel time of acoustic ultra
Uni. Worcester - ETD - 0429104
AcknowledgementsI would like to express my sincere thanks and appreciation to my advisor, Professor William W. Durgin. His confidence in my abilities to learn and be successful on the graduate level has inspired me to persevere, and strive for exce
Uni. Worcester - ETD - 0429104
Table of ContentsLIST OF FIGURES LIST OF TABLES CHAPTER 1. INTRODUCTION 11.1 1.2 1.3 1.4History of Ultrasonic Flow Metering Review of Sound Propagation through Random Media Review of Ultrasonics & Ultrasonic Flow Metering Methods Objectives and
Uni. Worcester - ETD - 0429104
Chapter 6.Conclusions and RecommendationsIn this work we have highlighted the pertinent issues which influenced our experimental investigation on non-linear effects in relation to the formation of caustics. The collected and analyzed data from se
Uni. Worcester - ETD - 0429104
BibliographyAnderson, J. D. Fundamentals of Aerodynamics: second edition. New York: McGrawHill, 1991. Andreeva, T. A., Meleschi, S. B., and Durgin, W. W. "Experimental Investigation of Statistical Moments of Travel Time in Grid-Generated Turbulence.
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