# DEGREE REGULATIONS & PROGRAMMES OF STUDY 2015/2016

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# Undergraduate Course: Fluid Mechanics 2 (SCEE08003)

 School School of Engineering College College of Science and Engineering Credit level (Normal year taken) SCQF Level 8 (Year 2 Undergraduate) Availability Available to all students SCQF Credits 10 ECTS Credits 5 Summary The student should develop an awareness of the qualitive behaviour of fluids in typical situations so that models of problems can be set up for solution. The course's objectives are to: 1. Produce quantitative solutions for models derived from some useful applications in the fields of measurement and pipe flow; 2. Establish enough theoretical background to enable the range of validity of these basic solutions to be understood; and to 3. Provide a starting point with respect to terminology and theory for more advanced study in subsequent years. Course description L1 Properties of Fluids Shear stress, viscosity, density, compressibility, surface tension. L2 Simple Flow Fields and Phenomena 1 Laminar and turbulent flow states; flow in a duct, flow over a flat plate; flow round objects; separation & wakes; vortex shedding; drag. L3 Simple Flow Fields and Phenomena 2 Reynolds number; Strouhal number. More simple flow fields; orifice flow, flow round bends. Terminology: external/internal; steady/transient, real/ideal, laminar/turbulent, compressible/incompressible; vectors, streamlines & pathlines. L4 Introduction to Dimensional Analysis L5 Fluid Statics 1 Pressure; variation of pressure with height; 'head'; manometers and other pressure measurement devices. L6 Fluid Statics 2 Forces on submerged surfaces - 'centre of pressure', 'centre of force'. L7 The Continuity Equation The continuity equation; flow between plane walls. pipe flow. L8 Equations of Motion Equation of motion along a streamline; steady-state equation (Euler's momentum equation); motion perpendicular to a streamline - significance of pressure gradients. L9 Bernouilli¿s Equation Time dependent Bernoulli equation; Steady state Bernoulli equation. L10 Applications of Bernouilli Example applications of Bernoulli equation: siphons, flow with area change, flow around a pipe bend. L11 Velocity and Flow Rate Measurement Pitot tube & Pitot-static tube. Flow rate measurement - restriction flow meters (general); venturi meter. L12 Hydraulic Structures Orifice plate; reservoir-orifice flow; linked reservoirs; orifice flow under varying head; flow over weirs. L13 Laminar and Turbulent Flow Laminar flow between plates. Laminar flow through a round pipe - Hagen Poiseuille equation. L14 Turbulent Flow in Pipes Head/pressure losses due to friction; friction coefficient - functional dependency via dimensional analysis. L15 Losses in Real Pipes Moody diagram & equation. L16 Pipe Systems Losses in bends and fittings; loss coefficient. L17 The Momentum Equation The momentum equation for steady flow. L18 Applications of the Momentum Equation Force of jet on plates and vanes; force on pipe bends; head loss due to sudden expansion / contraction L19 Revision / contingency L20 Revision / contingency
 Pre-requisites Co-requisites Prohibited Combinations Other requirements None Additional Costs PPE (lab coat, safety glasses, safety shoes/boots as prescribed by programme handbook).
 Pre-requisites None High Demand Course? Yes
 Academic year 2015/16, Available to all students (SV1) Quota:  None Course Start Semester 1 Timetable Timetable Learning and Teaching activities (Further Info) Total Hours: 100 ( Lecture Hours 22, Supervised Practical/Workshop/Studio Hours 3, Formative Assessment Hours 1, Summative Assessment Hours 3.5, Programme Level Learning and Teaching Hours 2, Directed Learning and Independent Learning Hours 68 ) Assessment (Further Info) Written Exam 80 %, Coursework 20 %, Practical Exam 0 % Additional Information (Assessment) 80% Examination 20% Coursework Feedback Not entered Exam Information Exam Diet Paper Name Hours & Minutes Main Exam Diet S1 (December) Fluid Mechanics 2 1:30 Resit Exam Diet (August) 1:30
 On completion of the course students should be able to: 1. Qualitatively describe and categorise fluid flow regimes, including internal vs external flows; laminar vs turbulent flows; boundary layers and velocity profiles; separation and wakes. 2. Appreciate the importance of Dimensional Analysis techniques and dimensionless parameters in fluid mechanics; Reynolds number; Mach number. 3. Calculate form and skin friction drag forces using appropriate drag formulae and coefficients. 4. Solve basic hydrostatics problems involving manometers and submerged surfaces. 5. Explain the significance of pressure gradients parallel to, and normal to a streamline. 6. Understand the concept of continuity, and be able to use the continuity equation to calculate the flow rate in a duct using an appropriate velocity profile; 7. Understand physical basis of Bernoulli's equation, and apply it in flow measurement (orifice and Venturi meter, Pitot-static tube), and to a variety of problems involving area change and height change. 8. Solve basic problems involving pressure losses through pipes and pipe bends and fittings. 9. Understand the basic Momentum equation and the concept of a control volume. Use the equation to calculate impulse and reaction forces due to the interaction of a fluid stream with objects, and pressure drops.
 Civil ¿ Chadwick, Morfett & Borthwick: Hydraulics in Civil and Environmental Engineering, 5th edition, Spon, £38 Chemical ¿ McCabe, Smith and Harriott: Unit Operations of Chemical Engineering, Intl edition, McGraw Hill, £53 Mechanical ¿ Douglas, Gasiorek, Swaffield & Jack: Fluid Mechanics, 6th edition, Pearson, (with ¿free¿ on-line tools) £47.50 but I suggest that you don¿t rush off and buy¿ try library copies of these and others; consider 2nd hand copies (earlier editions usually fine)
 Graduate Attributes and Skills Not entered Keywords Not entered
 Course organiser Dr Tom Bruce Tel: (0131 6)50 8701 Email: Tom.Bruce@ed.ac.uk Course secretary Miss Lucy Davie Tel: (0131 6)51 7073 Email: Lucy.Davie@ed.ac.uk
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