338-0008/03 – 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 | 2 | Semester | winter |
| | Study language | Czech |
Year of introduction | 2007/2008 | Year of cancellation | |
Intended for the faculties | HGF | Intended for study types | Bachelor |
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
Credit:
Present form of study: 2 continuous tests, laboratory measurements with subsequent evaluation and processing of the protocol (3 tasks). The maximum number of points for the credit is 30, the minimum required for the credit is 20 points.
Combined form of study: An individual program covering 25 examples. The maximum number of points for the credit is 30, the minimum required for the credit is 20 points.
Exam: the same form for both full-time and combined form of study
It consists of a written and an oral part. The written part contains two examples to solve and 10 test questions. The maximum number of points is 30, the minimum number of points required for the oral examination is 12 points.
The oral part consists of two questions - hydrostatic, hydrodynamics. For each correct question is 20 points. The student must demonstrate knowledge of both hydrostatic and hydrodynamics.
E-learning
Other requirements
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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