Afzaal, Muhammad Faheem (2014). Breakup and instability analysis of compound liquid jets. University of Birmingham. Ph.D.
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Afzaal14PhD.pdf
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Abstract
This study deals with the temporal instability of compound liquid jets. The presence of an outer column of liquid which is totally immiscible from the inner fluid introduces many interesting features in jet breakup dynamics. The governing equations which model the behavior of a compound jet are in general rather complex due to the presence of multiple free surfaces and different fluids. However, an asymptotic approach can be used to yield a set of one dimensional equations which greatly simplify the resulting analysis. We perform linear and nonlinear analysis to reveal many interesting features of the compound liquid jets. The influence of gravity on the instability and breakup of inviscid and viscous compound jets is also considered. Additionally, we estimate the theoretical breakup lengths, breakup time and droplet sizes of such jets for varying key parameters.
| Type of Work: | Thesis (Doctorates > Ph.D.) | ||||||
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| Award Type: | Doctorates > Ph.D. | ||||||
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| College/Faculty: | Colleges (2008 onwards) > College of Engineering & Physical Sciences | ||||||
| School or Department: | School of Mathematics | ||||||
| Funders: | None/not applicable | ||||||
| Subjects: | Q Science > QA Mathematics | ||||||
| URI: | http://etheses.bham.ac.uk/id/eprint/5492 |
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