State of the art of cavitating water jets for use in coal seam mining

Boyce, Kane (2010). State of the art of cavitating water jets for use in coal seam mining B.Sc Thesis, School of Engineering, The University of Queensland.

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Author Boyce, Kane
Thesis Title State of the art of cavitating water jets for use in coal seam mining
School, Centre or Institute School of Engineering
Institution The University of Queensland
Publication date 2010
Thesis type B.Sc Thesis
Supervisor Cleary, Matthew
Total pages 22
Language eng
Subjects 09 Engineering
Formatted abstract
The present work is a thesis project for which the goal was to improve the knowledge of cavitating water jets for use in coal seam mining. A very comprehensive study of the literature was undertaken and the articles that were most relevant in understanding cavitating water jets for coal seam mining have been included. Utilising the knowledge gained from the review recommendations have been made about future work that could be undertaken to improve the knowledge of cavitating water jets. This proposed future work results in finding probability density functions for the location of micro bubbles in a cavitating jet flow. This objective would be completed by first developing a relationship between jet parameters and the free boundary conditions of a jet. Then using this and generating a numerical model for the flow field of a water jet and coupling it with a numerical model for bubble dynamics, a simulation can be produced that can track the path taken in a Lagrangian reference frame by a micro bubble as it passes through the flow. The PDF’s will provide improved insight into the dynamics of cavitating water jets and can be used to predict the probability of cavitation inception if combined with a pressure field. They can also be utilised in improving current theoretical models of cavitation that ignore or simplify the impact of nuclei distribution within a flow, which is an important factor to consider. The thesis also outlines the thought process that took place during the research in order to justify the content of the literature review and to provide an insight into how the proposed future work was developed.
Keyword Cavitating water jet
Coal seam

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
Citation counts: Google Scholar Search Google Scholar
Created: Wed, 27 Aug 2014, 13:34:57 EST by Tina Macht on behalf of Scholarly Communication and Digitisation Service