MEC 2002 - Fluid Dynamics I

Credits:   4 
Lectures/Tut.:   2 hr/wk 
Labs:  3 sessions 
Prerequisite: None 
Leads to:  MEC 3104

• Hydrostatics: Forces on plane and curved surfaces. Centre of pressure. Buoyancy. Centre of Buoancy.  Metacentric height. Stability of submerged and floating bodies.
• Aerostatics: The atmosphere. The temperature lapse rate. Variation of pressure, temperature and density with altitude. The standard atmosphere.
• Viscosity: Viscous shear stress. Newton’s law of viscosity. Absolute and kinematic viscosity.  Problems involving linear and non-linear velocity profiles. Viscosity measurement: the rotating cylinder viscometer,  the falling sphere viscometer and the Saybolt viscometer.
• Laminar Flow in Circular Pipes: Reynolds experiments. Critical Reynolds Number.  Velocity distribution and pressure drop in laminar pipe flow. The friction factor. Power lost.
• Laminar flow between two large parallel flat plates.

Laboratory Work

• The stability of floating bodies.
• The falling sphere viscometer.
• The impact of a water jet on a flat surface.

Assessment
Coursework - 10% 
Exam - 90%

Reference Texts

• Douglas J.F. & Matthews R.D., Solving Problems in Fluid Mechanics Vol. I 3rd edition  Publishers:  Addison Wesley Longman Ltd.
• White F. M., Fluid Mechanics, 3rd edition Publishers: McGraw Hill.