Lecturer(s)


Linhart Jiří, Prof. Ing. CSc.

Pospíšil Vít, Ing.

Course content

Topics of lectures by weeks 1 Basic properties of fluids: compressibility, expansibility, extensibility; surface tension, viscosity ? examples. 2 Sound velocity in gases and liquids. Statics of fluids, Euler´s static equation, Pascal´s law and its application. 3 Relative balance of fluids: liquid in gravitational field, rectilinear accelerated movement of vessel, rotational movement round vertical and horizontal axis  examples. 4 Fluid forces acting on plane and curved surfaces including determination of hydrostatic centre ? examples. 5 Stability of floating bodies ? example. Introduction to fluid dynamics, criterions for simplification of flows, Euler´s and Lagrange´s description, basic notions (stream and vortex filament etc.). 6 Continuity and movement equations for stream tube. Kinematics of fluids: solution of velocities and pressures in unviscid fluid. 7 Simple potential flows and their compositions ? examples. 8 Viscous flows: tension in flowing fluid, movement equation NavierStokes, direct solution of simple cases by help of NS equation. 9 Simplification of NS equation to Bernoulli equation, technical applications for uncompressible and compressible flow. 10 Similarity in fluid mechanics, similarity criterions and their physical meaning, criterion equations. 11 Total, static, dynamic pressure and their meassurement. Linear momentum equation with examples of using. 12 Laminar and turbulent velocity profiles in channels of different cross section shape. Liquid outflow from a vessel and calculation of outflow time. Examples. 13 Formation of cavitation. Recognition of hydraulic smooth and rough surfaces. Local and friction pressure losses in tubes ? examples. Topics of seminars by weeks. 1 Compressibility, expansibility, extensibility; surface tension, capilar elevation and depression ? examples. 2 Velocity of sound in gases and liquids solved by calculation. Laboratory training: measurement by pneumatic probes. 3 Examples dealing with pressure and pressure level distribution in vessels at different kinds of movement. 4 Calculations of hydrostatic forces (including centres) acting on plane and curved surfaces. Laboratory training: measurement of velocities and turbulences by hot wire anemometer. 5 More complex calculation of liquid forces acting on curved surfaces needing grafical analysis. Stability calculations of flowing bodies. 6 Analysis of mass and momentum balance equations from the physical and mathematical point of view. Derivation of tensor and operater modifications. Laboratory training: Demonstration of flow visual representation and velocity measurement by Particle Image Velocimetry method. 7 Analytical solution of simple examples of potential flow: velocities, streamlines, pressures. 8 Solution of simple problems by using NavierStokes equation. Laboratory training: Measurement of the nuclear reactor fuel element model from the streaming point of view. 9 Calculation of invisced tasks by using general and algebraic Bernoulli equations together with contiunity equation. 10 Problems connected with similarity in fluid mechanics. Illustration of making criterion equation. Laboratory training: Acquainting the students with 2 stends for the flow induced vibrations in fluid coupled systems ? measurement demonstration.. 11 Examples oriented on linear momentum equation and its using for blade turbomachines, their output or input. 12 Calculations of velocity profiles of laminar and turbulent flow in various channels (for instance in wedgeshaped gap of segment bearing). Laboratory training: Measurement on water turbin model. 13 Calculations of local and friction pressure losses in tubes and tube networks.

Learning activities and teaching methods

Lecture with practical applications, Laboratory work, Seminar classes
 Preparation for an examination (3060)
 58 hours per semester
 Preparation for comprehensive test (1040)
 20 hours per semester
 Contact hours
 78 hours per semester

prerequisite 

professional knowledge 

Successfully finished 2 examinations in mathematics on MEF (Mechanical Egineering Faculty), FAS (Faculty of Applied Sciences), EEF (Electrical Engineering Faculty) or at some other technical university. 
learning outcomes 

A successful student will know fundamental properties of not flowing and flowing fluids and methods of their determination. He will be able to solve simple tasks computationally and experimentally and applied knowledge obtained in flow laboratory education to other problems 
teaching methods 

Laboratory work 
Lecture with practical applications 
Seminar classes 
assessment methods 

Combined exam 
Recommended literature


Linhart, Jiří. Mechanika tekutin I. 2. vyd. Plzeň : Západočeská univerzita v Plzni, 2009. ISBN 9788070437667.

Noskievič, Jaromír. Mechanika tekutin. 1. vyd. Praha : SNTL, 1987.

Pěta, Milan. Mechanika tekutin : sbírka příkladů. Vyd. 1. Praha : Vydavatelství ČVUT, 2005. ISBN 8001031454.
