Studying online

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Units with modes Online timetabled and Online flexible are available for any student to self-enrol and study online.

Units available in Online Restricted mode have been adapted for online study only for those students who require the unit to complete their studies and who are unable to attend campus due to COVID border closures. To be enrolled in a unit in Online Restricted mode, students should contact their Student Advising Office through askUWA and include which of the below criteria applies:

  • You are a student who is currently offshore and unable to enter Australia.
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Click on an offering mode for more details.

ENVE4403 Fluid Transport, Mixing and Dispersion

Credit
6 points
Offering
(see Timetable)
AvailabilityLocationMode
Semester 1UWA (Perth)Face to face
Semester 1OnlineOnline timetabled
Content
The aim of this unit is to gain a quantitative knowledge of the fluid dynamics of both freshwater and marine environments. Topics covered include: physical laws governing fluid motion and exact solutions an introduction to scaling as a means of simplifying complex equations; introduction to turbulence—Reynolds-averaged Navier-Stokes equations, basic statistical descriptions and concept of eddy viscosity, molecular versus turbulent diffusion; mixing in rivers—boundary layers, velocity profiles, hydraulic jumps, transport equation, shear dispersion; mixing in a density-stratified fluid—models of mixing, concept of mixing efficiency and mixing across density interfaces, applications to estuaries, the coastal ocean and lakes; and, turbulent jet, plume and buoyant jet dynamics for wastewater discharge design.
Outcomes
Students are able to (1) explain the equations that govern the mean flow in environmental systems and derive solutions for flow fields under simplified conditions ; (2) characterise turbulence in environmental flows and its impact on instantaneous flow properties and mixing ; (3) predict the spatial and temporal variability of flows in riverine, coastal and atmospheric systems; (4) distinguish between molecular diffusion, turbulent diffusion and shear dispersion and apply these concepts to quantify mass transport in environmental flows ; (5) describe the extent to which density stratification can control flow and mixing in environmental systems ; and (6) design a laboratory investigation addressing an important problem in environmental fluid mechanics.
Assessment
Indicative assessments in this unit are as follows: (1) assignments; (2) laboratories; and (3) a final examination. Further information is available in the unit outline.
Unit Coordinator(s)
Dr Marco Ghisalberti
Unit rules
Prerequisites:
enrolment in the Master of Professional Engineering (Environmental Engineering specialisation). This unit is also available to students in the Master of Ocean Leadership with the approval of the course coordinator and completion of an undergraduate major in Engineering Science or equivalent.
Co-requisites:
Nil.
Advisable prior study:
ENSC3010 Hydraulics
Incompatibility:
Nil.
Contact hours
lectures: 2 per week; practical sessions: 2 per week; laboratories: two 3-hour sessions per semester
Recommended
reading

Fischer, H. B. et al. Mixing in Inland and Coastal Waters: Academic Press 1979

Fox, R. W., McDonald, A. T. and Pritchard, P. J. Introduction to Fluid Mechanics, 6th edn: Wiley 2004

Gerhart, P. M., Gross, R. J. and Hochstein, J. I. Fundamentals of Fluid Mechanics, 2nd edn: Addison-Wesley Publication 1993

Kundu, P. K. and Cohen, I. M. Fluid Mechanics, 3rd edn: Elsevier Academic Press 2004

Munson, B. R., Young, D. F. and Okiishi, T. H. Fundamentals of Fluid Mechanics: Wiley 2002

Tennekes, H. and Lumley, J. A First Course in Turbulence: MIT Press 1972

 

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