Dr Alan Packwood (7 lectures)
Momentum equation
· Impact of jets
· Force on a pipe bend
· Force on an orifice plate
· Energy loss in a sudden expansion
Viscous (laminar flow)
 Poiseuille flow in a pipe
Dimensional analysis
Buckingham’s P theorem
 Poiseuille flow written in dimensionless form
Scale models (Re, Fr, Ma)
 Examples of empirical use (e.g. C_{f} vs Re and C_{D} vs Re)
Professor Rex Thorpe (78 lectures)
· Turbulent flow
· Film model and 1/7^{th} power law for time averaged flow in pipes
· Friction factors and pressure gradients in pipes (effect of roughness; Moody chart)
· Hydrodynamic resistance of sudden expansions, valves, bends, tees etc.
· Discussion of flat plates, including variation of shear stress with distance from leading edge. No discussion of integralmomentum equation
· Pumps and turbines
· Types of pump and turbine
· Head/flow rate characteristics (esp. centrifugal pumps)
· Pumps in series (includes mention of NPSH) and parallel
· Dimensional analysis of pumps (but not vector analysis)
· Pump and pipework calculations
· Balancing pumps against hydrodynamic resistances (but not pipe networks or multireservoir problems).
· Introduction to boundary layers on a flat plate
Professor RB Thorpe (14 lectures)
1 Turbulent flow in a pipe
· Revision of 1/7^{th} power law
· The universal velocity profile.
· Eddy viscosity and its link to eddy diffusivity
· Mixing of fluids
2 Two phase gasliquid flow in pipes
· Flow pattern maps in horizontal and vertical flow
· Pressure differences (incl. Method of Lockhart and Martinelli)
3 Equipment for pumping gases
· Types and their characteristics
· Reminder of intercooling
· Surge and recycle
4 Compressible flow of gases
· Reminder of basic equations (Continuity, Ideal gas law, adiabatic equations, steady flow energy equations)
· Isothermal compressible flow in pipelines (density changes, speed of sound, choking)
· Isentropic compressible flow through valves (density changes, speed of sound, choking, existence of shock waves). How to predict whether a valve is choked. Calculation of relief valve capacity
· When is a flow likely to be isothermal or isentropic? Mention of polytropic flows.
· Brief discussion of convergentdivergent nozzles.
5 Terminal velocity
· Drag coefficients for a sphere
· Force balance for a sphere in free fall
· Equations for terminal velocity
6 NonNewtonian Fluids including Colloids
· Types of nonNewtonian behaviour
· Van der Waals’ forces and colloidal rheology
· Stabilisation and electrical double layer
