ENCI638-12S1 (C)
Semester One 2012
Environmental Fluid Dynamics
Description
Introduction to environmental fluid dynamics - physical mechanisms. Turbulence - structure of turbulent flows, governing equations, scales, turbulence modelling, turbulent mixing in the environment, turbulent dispersion in rivers, and turbulent jets. Buoyancy effects - governing equations and scale analysis for free and forced convection, convection in horizontal layers, plumes, waves.
This paper is a master's course that aims to develop research skills as well as cover certain technical material.
....Student background
Students taking this course are assumed to have a background in appropriate areas of applied mathematics – in particular, calculus, the solution of ordinary and partial differential equations, and vector calculus. A sound background in fluid mechanics is also assumed. This would normally mean that students are familiar with the equations governing fluid flow (ie the Navier Stokes equations), be able to perform a scale analysis on these equations, be familiar with inviscid, irrotational flow concepts, boundary layer concepts and the process of dimensional analysis.
Any student who intends to take this course and does not possess the necessary background should discuss their situation with the lecturer.
....Topics
..Introduction to Environmental Fluid Dynamics - Physical mechanisms [3 hours]
....Turbulence:
Structure of turbulent flows, governing equations, scales, turbulence,modelling, turbulent mixing in the environment, turbulent dispersion in rivers and turbulent jets. [11 hours]
....Buoyancy Effects:
Governing equations and scale analysis for free and forced convection, convection in horizontal layers, plumes, linear wave theory. [10 hours]
Learning Outcomes
Environmental Fluid Dynamics is a Masters course designed with the following aims:
• to provide you with a broad overview of the important physical mechanisms operating in naturally occurring fluid bodies,
• to introduce you to a selection of interesting phenomena that arise from these mechanisms,
• to provide a detailed introduction to turbulent and convective/stratified fluid flows
• to provide you with the opportunity to undertake two small research projects that explore different aspects of environmental fluid dynamics, and
- to develop your independent learning skills.
Subject to approval of the Head of Department.
Course Administrator
Roger Nokes
Assessment
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Final exam
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50%
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Turbulence Assignment
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01 Apr 2011
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7%
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Turbulence Project
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08 Apr 2011
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18%
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Buoyancy assignment
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27 May 2011
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7%
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Buoyancy Project
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03 Jun 2011
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18%
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You cannot pass this course unless you achieve a mark of at least 40% in the final exam. A student who narrowly fails to achieve 40% in the exam may be eligible for a pass in the course.
• All assignments must be submitted by the due date. Late submissions will not be accepted. If a student is unable to complete and submit an assignment by the deadline due to personal circumstances beyond their control they should discuss this with the lecturer involved as soon as possible.
• Students in this course can apply for aegrotat consideration provided they have sat the final exam and/or have completed all of the internal assessment.
Textbooks
There are many books on fluid dynamics in the university libraries – some with a particular emphasis on environmental fluid mechanics. Most fluid dynamics journals include papers that are relevant to the general area of environmental fluid dynamics. There is in fact a journal dedicated to the area - Environmental Fluid Mechanics. The following texts are examples of books that may be useful in your study and research work. The list is by no means exhaustive.
For further information see
Civil and Natural Resources Engineering.
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ENCI638-12S1 (C)
Semester One 2012
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