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EM40JJ: FLUID DYNAMICS (2017-2018)

Last modified: 16 Nov 2016 18:26


Course Overview

The course begins with consideration of boundary layer development over a flat plate and curved surfaces, leading to boundary layer separation and forces on immersed bodies. This is followed by study of water wave theory with particular application to coastal and offshore engineering. These topics are also part of the EG40JF Civil Engineering Hydraulics course. The second part of the course concentrates on compressible flow. Using the fundamental conservation equations, the characteristics of converging-diverging nozzles and accelerating supersonic flows are examined. Plane and oblique shock waves, Prandtl-Meyer flow and Navier-Stokes equations are then introduced.

Course Details

Study Type Undergraduate Level 4
Session First Sub Session Credit Points 10 credits (5 ECTS credits)
Campus None. Sustained Study No
Co-ordinators
  • Professor Thomas O'Donoghue

Qualification Prerequisites

  • Either Programme Level 3 or Programme Level 4

What courses & programmes must have been taken before this course?

What other courses must be taken with this course?

None.

What courses cannot be taken with this course?

Are there a limited number of places available?

No

Course Description

1.    Boundary layer description, momentum integral equation, laminar and turbulent boundary layer over flat plate. Boundary layer separation and fluid drag. (6 lectures)

2.    Wave mechanics: Development of linear wave theory. Wave kinematics. Wave energy and power. Wave forces on structures. Wave shoaling and refraction. (6 lectures)

3. Main Relations of Gas Flow. Nozzles.  

Basic equations of compressible flow: Mass, Momentum, Energy conservation. The speed of sound in gases: The wave equation, Mach number, Simple nozzles. Converging-diverging nozzles (de Laval nozzles): Isentropic relations, Choking, Isentropic flow tables. (6 lectures)

4. Shock Waves. Supersonic Flight.  

Normal shocks: normal shock equations, shock tables. Oblique shocks: oblique shock equations, detached shocks, re-entry vehicle. Prandtl-Meyer flow: expansions and compressions, mach waves. Supersonic flight: lift and drag on supersonic airfoils, engine inlet design. (5 lectures )

Degree Programmes for which this Course is Prescribed

  • Bachelor of Engineering in Eng (Mech with Oil & Gas Studies)
  • Bachelor of Engineering in Eng (Mechanical and Electrical)
  • Bachelor of Engineering in Engineering (Mechanical)
  • Master of Engineering in Mechanical Eng with Management

Contact Teaching Time

32 hours

This is the total time spent in lectures, tutorials and other class teaching.

Teaching Breakdown


Assessment

1st Attempt: 1 three-hour written examination paper (90%) and continuous assessment (10%).

Formative Assessment

None.

Feedback

a) Students can receive feedback on their progress with the Course on request at the tutorial/feedback sessions.

b) Students will receive feedback from their class tests.

c) Feedback on the final exam will be via posting of the exam paper solutions on MyAberdeen. Students can request more detailed individual feedback on their exam performance by contacting the Course Coordinator.

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