338-0008/01 – Hydromechanics (Hydro)
| Gurantor department | Department of Hydromechanics and Hydraulic Equipment | Credits | 5 |
| Subject guarantor | doc. Ing. Sylva Drábková, Ph.D. | Subject version guarantor | doc. Ing. Sylva Drábková, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 3 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 1980/1981 | Year of cancellation | 2006/2007 |
| Intended for the faculties | FBI | Intended for study types | Master |
Subject aims expressed by acquired skills and competences
Students will be introduced to the application of conservation laws and force balance under steady and unsteady fluid flow. They will apply the obtained knowledge of general mechanics while learning about the continuum mechanics principles. They will conduct simple experiments to understand the theory. Having obtained the fundamental knowledge, they will be able to solve practical fluid flow mechanics problems, pressures and pressure forces under steady and unsteady flow in particular, and they will be introduced to more complex engineering problems solutions.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
Hydromechanics deals with equilibrium forces in the fluid at rest and motion. Applies universally valid theorems of mechanics, i.e. the condition of balance of forces and moments, the momentum of change of momentum, the law of weight and energy conservation.
In hydrostatics, attention is focused on calculating the pressure and pressure forces in the fluid at rest. In hydrodynamics, the main topics is a steady and unsteady pipe flow, the discharge of fluid from the vessel through a pipeline or through a hole, a hydraulic pipeline calculation, water pump system solution, uniform flow in the channel, flow over a body and other applications.
Compulsory literature:
DRABKOVA, S.: Fluid Mechanics_Lectures, available at http://www.338.vsb.cz/en/studies/
AL-SHEMMERI, T.T.:Engineering Fluid Mechanics Solution Manual, available at http://bookboon.com/en/engineering-fluid-mechanics-solution-manual-ebook
FOX, R.W., MC DONALD, A.T.: Introduction to Fluid Mechanics, J. Wiley & sons, New York, 1994
Recommended literature:
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1 Basic concepts of fluid mechanics, physical properties of fluids
2 Pressure and pressure forces the liquid at rest, Euler's equation of hydrostatics,
Pascal law and its application
3 Compressive strength of flat and curved surfaces, floatation, Archimedes' law
4 Fuids in relative calm
5 Introduction to fluid flow, continuity equation and Bernoulli's equation for
ideal fluid flow
6 Flow of real fluids, the Navier-Stokes equations, Bernoulli's equation,
liquid in a gravitational field
7 Measurement of pressure and flow in pipes
8 Steady flow in pipes, laminar flow in a narrow slit, laminar and turbulent flow in pipes of circular cross section
9 Hydraulic friction and local resistance, the calculation of hydraulic pipes,
characteristic lines, the graphic solution
10 flow throuhg orifice, the liquid discharge through large rectangular hole in
side wall of the container, emptying of containers
11 Unsteady flow of an incompressible fluid pipeline, hydraulic shock
12 Bernouliho equation for the rotating channel centrifugal pump characteristic
pumping system
13 Force effects of flowing liquids on surfaces and body, body wrap
14 Flow in open channels, the physical similarity
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
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