Courses list

Wersja polska

Course code: IISS10060o16
Semester: 2016/2017 summer
Name: Fluid mechanics
Major: Environmental Engineering
Study Type: first cycle
Course type: compulsory
Study Semester: 2
ECTS points: 7
Hours (Lectures / Tutorials / Other): 30 / 42 / 0
Lecturer: dr hab. inż. Tomasz Tymiński, dr inż. Robert Głowski
Language of instruction: Polish
The course taught in English if the group has ≥6 students. The course taught in Polish with a possibility of support in English if the group has <6 students - Contact person: dr inż.Robert Głowski

Learning outcomes: The student knows the principles of static and dynamic action of liquid onto flat and curved surfaces, either floating or submerged; is familiar with the laws related to the flow of liquids and can describe related phenomena; is familiar with modelling in fluid mechanics. Skills The student can calculate the static and dynamic forces acting onto the surfaces limiting the liquid both in rest and in motion; can perform hydraulic calculations required to dimension the conduits, channels and hydro-engineering structures; can do laboratory experiments to investigate the basic hydraulic phenomena and to get the most important hydraulic parameters.

Competences: The knowledge of fundamental laws describing the motion of liquids and gases will allow him/her to take correct decisions in critical situations based on the analyses carried out thanks to his/her knowledge of these phenomena.

Prerequisites: mathematics, physics

Course content: The subject is to acquaint the students with the physical properties of fluids and fundamental rights that describe their movement and static and dynamic impact on the surrounding surfaces. Hydraulic calculation policies closer and modelling fluid flow by the engineering equipment (pipelines, channels, structures and others) and trough the opened and liquid and solid particles. Fundamental physical properties of liquids and gases. Hydrostatics – hydrostatic pressure and thrust. The thrust of liquid onto flat and curved walls. Basic notions of fluid kinetics, continuity equation, Euler equation. Bernoulli equation for the ideal fluid and for the real fluid, hydraulic head and hydraulic gradient. Laminar and turbulent flow - Reynolds experiment, resistance to motion in general, loss along the length - the Darcy-Weisbach formula, linear drag coefficient, local loss, calculation of flows through pressurized pipes, water hammer. Motion of liquid in open flumes and channels. Specific energy, critical depth, rapid motion and calm motion, hydraulic jump. General equation for changeable motion, backwater, swelling curve. Overfalls. Flow from under a lift gate. Hydraulic dimensioning of the hearth trough and the hearth sill. Outflow of liquid through openings and mouthpieces. Hydrodynamic thrust onto the walls, reaction of the stream of liquid. Modelling of phenomena in fluid mechanics. Calculation of discharge and flow for gases. Bernoulli equation for gases in the adiabatic process. Gas discharge through openings and nozzles. Settling of solid particles in liquids. Flow of mixtures in pipelines.

Recommended literature: 1. Granet Irving, Fluid Mechanics, 4th ed. A Simon & Schuster Company, Englewood Cliffs, New Jersey, 1996, 2. Mott, Robert L., Applied Fluid Mechanics, 4th ed. New York: Macmillan Publishing Co., 1994 3. Shames, Irving H., Mechanics of Fluids, 3rd ed. New York: McGraw-Hill, Inc., 1992, 4. Novak P., Moffat A. I. B., Nalluri C. and Narayanan R., Hydraulic structures, Taylor and Francis, London and New York, 2007, 5. Sobota J.: Hydraulics and Fluid Mechanics, Agriculture University of Wrocław 2003, (in Polish) 6. William S. Janna, Introduction to Fluid Mechanics, 4th Edition, CRC Press, Taylor & Francis Group, 2010.

Assessment methods: laboratory exercise, training design and written work situational communication task of decision

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