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Fluid Mechanics (ENGR30002)

Undergraduate level 3Points: 12.5On Campus (Parkville)

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Year of offer2019
Subject levelUndergraduate Level 3
Subject codeENGR30002
Semester 1
Semester 2
FeesSubject EFTSL, Level, Discipline & Census Date


This subject concerns the fundamental science of fluid flow relevant to a range of engineering applications, and is essential for specialisations relating to Chemical, Civil and Environmental Engineering.


Topics covered include - Fluid statics, manometry, derivation of the continuity equation, mechanical energy balance, friction losses in a straight pipe, Newton’s law of viscosity, treatment of pipe roughness, valves and fittings; simple pipe network problems; principles of open channel flow; compressible flow, propagation of pressure wave, isothermal and adiabatic flow equations in a pipe, choked flow. Pumps – pump characteristics, centrifugal pumps, derivation of theoretical head, head losses leading to the actual pump head curve, calculating system head, determining the operating point of a pumping system, throttling for flow control, cavitation and NPSH, affinity laws and pump scale-up, introduction to positive displacement pumps; stirred tanks- radial, axial and tangential flow, type of agitators, vortex elimination, the standard tank configuration, power number and power curve, dynamic and geometric similarity in scale-up; Newtonian and non-Newtonian fluids, Multi-dimensional fluid flow-momentum flux, development of multi-dimensional equations of continuity and for momentum transfer, Navier-Stokes equations, application to tube flow, Couette flow, Stokes flow.

Intended learning outcomes


On completion of this subject the student is expected to:

  1. Apply the fundamental conservation laws of fluid mechanics to solve engineering problems
  2. Solve mechanical energy balances in pipe flow, scale-up pumps and mixers
  3. Apply the Navier-Stokes equations to determine velocity profiles in axisymmetric and planar flows
  4. Predict the flow depth in various open-channel flow scenarios
  5. Calculate forces on submerged objects
  6. Understand the key dimensionless parameters in fluid mechanics

Generic skills

  • Ability to undertake problem identification, formulation and solution
  • Capacity for independent thought
  • Ability to plan work and to use time effectively.

Last updated: 11 October 2019