units

MAE4965

Faculty of Engineering

18 September 2017
10 December 2023

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## 6 points, SCA Band 2, 0.125 EFTSLRefer to the specific census and withdrawal dates for the semester(s) in which this unit is offered.
## SynopsisThis unit introduces differential and integral forms of governing equations in tensor notation, reviews inviscid and viscous aerodynamic flows and analyses the derivation of thin shear layer equations. Solution methods for boundary layer equations for the prediction of drag, lift and boundary layer separation on airfoil surfaces follows. Flow instability and transition from laminar to turbulent flow is examined and boundary layer stability analysis is introduced. Turbulence physics and turbulent shear flows and the analysis of turbulent shear flows are covered together with an introduction to statistical analysis in turbulence and aerodynamic flow control. ## Objectives
- Understand the tensorial development of the governing conservation equations for aerodynamics problems
- Understand the physics of inviscid and viscous aerodynamics
- Understand the derivation of the equations governing boundary layer flow and shear flows in general
- To be able to solve the boundary layer equations for generic geometries using both differential analysis and integral analysis to predict drag, lift and boundary layer separation on airfoil surfaces
- Understand the physics of flow instability and laminar-turbulent transition
- Understand the analysis of Tollmien-Schlichting instability and transition in boundary layer flow and recognize factors controlling laminar-turbulent boundary layer transition
- Understand statistical analysis of turbulence and the general properties of turbulent shear flows
- Understand the structure of turbulent boundary layer flow and to be able to derive and interpret the equations governing the mean flow, kinetic energy and Reynolds stresses of a turbulent boundary layer
- Understand the quantitative description of turbulent boundary layer flow and to be able to calculate turbulent boundary layer drag and predict adverse pressure gradient separation on airfoils
- To recognise and interpret boundary layer control methodologies on airfoils to minimize drag and avoid boundary layer separation and loss of lift.
## Assessment
Project/Assignment: 30% ## Chief examiner(s)## Contact hours3 hours lectures, 2 hours practice sessions or laboratories and 7 hours of private study per week ## Prerequisites |