Syllabus academic year 2011/2012
(Created 2011-09-01.)
HYDROMECHANICSVVR090
Credits: 7,5. Grading scale: TH. Cycle: A (Second Cycle). Main field: Technology. Language of instruction: The course will be given in English. Compulsory for: MWLU1. Optional for: V4vr, W4vr. Course coordinator: Professor Magnus Larson, Magnus.Larson@tvrl.lth.se, Water Resources Engineering. Recommended prerequisits: VVR145 or VVR120 or a corresponding course in basic hydraulics/fluid mechanics. Assessment: Written examination and home assignments. Home page: http://www.tvrl.lth.se/utbildning/courses/.

Aim
The objective of the course is to provide a physical understanding of phenomena and concepts in advanced water flows and to introduce calculation methods to analyze a number of important hydraulic problems. The course deals mainly with free-surface flows with emphasis on open-channel hydraulics.

Knowledge and understanding
For a passing grade the student must

Skills and abilities
For a passing grade the student must

Judgement and approach
For a passing grade the student must

Contents
Hydraulic models, similitude, dimensionless numbers such as the Reynolds number and the Froude number. Dimensional analysis with BuckinghamÂ’s pi-theorem. Boundary layer theory. Surface drag and form drag. Open channel flow in general. The energy principle with specific energy, flow controls, critical flow, Froude number. The momentum principle with the hydraulic jump. Uniform channel flow with ManningÂ’s formula and methods of calculation. Theory and analysis of gradually varying channel flow. Water surface profiles and numerical methods for the calculation of water depths. Spatial change of flow in channels. Practical views on channel design. Discharge measurements in channels. Weirs and flumes. Flow measurements in pipelines. Rapidly varying channel flow - bridge piers, control of the hydraulic jump.

Literature
French, R.: Open Channel Hydraulics, McGraw-Hill, 1994.
Vennard, J. & Street, R.: Elementary Fluid Mechanics, John Wiley & Sons, 6th edition, 1982 (selected parts).
Various handouts.