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Lecturer(s)
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Novotný Jan, doc. Ing. Ph.D.
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Nováková Ludmila, doc. Ing. Ph.D.
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Kašpárek Miloš, Ing. Ph.D.
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Course content
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1. General definitions, physical properties of fluids, forces acting in flid, hydraulic pressure. 2. Euler's equations of force equilibrium, fluid under gravity field. Fluid action on the surface (straight and curved). 3. Fluid relative equilibrium (translational and rotational motion). 4. Hydrodynamics. Continuity equation, Bernoulli's equation for steady-state convection. Euler's equations of hydrodynamics. 5. Liquid convention, potential, swirled, flow of real fluids. 6. Laminar and turbulent flow, Reynolds number, Laminar flow of real fluids, Navier - Stokes's equation. 7. Liquid outflow in small and wide orifice, overflow. Fluid free flow. 8. Effect of flow onstable and moving surfaces, pressure losses in pipelines. 9. Non-stationary flow, hydraulic shock. 10. Principles of hydraulic devices - principle of blading. Euler's energy equation (turbine theorem). 11. Wrapping of bodies, buoyancy, resistance of the environment.
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Learning activities and teaching methods
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unspecified
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Learning outcomes
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Objectives: The subject introduces students to the importance of fluid flow and behavior. It defines basic terms, forces acting in fluid and relative equilibrium of fluids (liquids). Flow of ideal and real fluid, Bernoulli equation, laminar and turbulent flow, hydraulic resistances and their importance for real machines. Continuous flow, force effect of liquid flow. Characteristics of body wrap, physical similarity in fluid mechanics.
Students will learn the basics of hydrostatics and hydrodynamics, they will be able to derive basic relations for expressing processes, relationships and dependencies in hydromechanics. They will then be able to apply this knowledge both at the theoretical level and further develop it, and work with them in specific technical applications in practice. The foundations are then used in further studies, for example in hydraulic mechanisms, in thermomechanics, etc.
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Prerequisites
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unspecified
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Assessment methods and criteria
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unspecified
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Recommended literature
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Drábková, S. a kol. Mechanika tekutin, učební text, VŠB Ostrava, 2002.
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Maštovský, O. Hydromechanika, SNTL Praha, 1964.
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Munson, B. Fundamentals of Fluid Mechanics, 2 ed., 1994.
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Noskievič. Mechanika tekutin, SNTL - ALFA, 1987.
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Nožička J. Mechanika tekutin. ČVUT v Praze, 2007.
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Šob, F. Hydromechanika. VUT Brno, 2002.
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White, F. M. Fluid Mechanics, 3 ed., 1994.
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