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Faculty of Mechanical Engineering

ECTS Course Overview



Fluid Mechanisms

* Exchange students do not have to consider this information when selecting suitable courses for an exchange stay.

Course Unit Code338-0302/06
Number of ECTS Credits Allocated5 ECTS credits
Type of Course Unit *Choice-compulsory
Level of Course Unit *First Cycle
Year of Study *
Semester when the Course Unit is deliveredWinter Semester
Mode of DeliveryFace-to-face
Language of InstructionEnglish
Prerequisites and Co-Requisites Course succeeds to compulsory courses of previous semester
Name of Lecturer(s)Personal IDName
HRU38doc. Dr. Ing. Lumír Hružík
DVO31Ing. Lukáš Dvořák, Ph.D.
VAS024doc. Ing. Martin Vašina, Ph.D.
FOJ077Ing. Kamil Fojtášek, Ph.D.
BUR262Ing. Adam Bureček, Ph.D.
Summary
In the subject "Fluid Mechanisms", students deal with function, structure, properties and applications of fluid, i.e. hydraulic and pneumatic mechanisms. The subject is divided into the following sections: general introduction, basic calculations of fluid mechanisms, elements of fluid systems, their construction, functions and characteristics, hydraulic and pneumatic drives and transmissions, including ways of their control, application of fluid mechanisms. The exercise is focused on calculations of fluid mechanisms and laboratory measurements.
Learning Outcomes of the Course Unit
Students will learn the basic concepts of fluid mechanisms: hydraulic mechanism, pneumatic mechanisms, hydraulic and pneumatic circuit. Become familiar with the composition of hydraulic and pneumatic circuits, basic hydraulic and pneumatic components, their functions, structures, characteristics using the circuit. Students will learn to count instances hydraulic and pneumatic circuits in steady state and solve the starting and braking hydraulic actuators. Learn to design simple hydraulic and pneumatic circuits and compile them on trainer in the laboratory. Students acquire basic knowledge of the operation, maintenance, measurement and diagnostics of hydraulic and pneumatic equipment.
Course Contents
Week Lectures

1. Fluid mechanism, fluid drive, fluid circuit.
2. Hydraulic and pneumatic circuits: composition, graphical symbols of elements, functional circuit diagrams. Basic hydraulic and pneumatic circuits.
3. Working fluids of hydraulic circuits: properties, types, applications. Compressed air and its properties.
4. Pressure energy sources - hydraulic pumps: design, function, parameters, characteristics, control.
5. Rotary hydraulic motors and actuators: construction, functions, parameters.
6. Hydraulic cylinders: design, function, parameters.
7. Flow direction control elements: directional valves, check valves, pilot operated check valves.
8. Flow size control elements: throttle valves, flow control valves, orifices, and throttles.
9. Pressure control valves: pressure relief and reducing valves.
10. Proportional control technology, applications of proportional control technology.
11. Fundamentals of servo engineering and its applications.
12. Accessories for hydraulic and pneumatic circuits: accumulators, filters, pipes, hoses, tanks, coolers, etc.
13. Introduction to pneumatic mechanisms.


Questions to exam

1. Basics of hydromechanics - Pascal´s law, Law for pressure propagation, Equation of continuity, laminar and turbulent flow, major(local) and minor pressure drops, Bernoulli´s equation.
2. Fluid mechanisms - advantages, disadvantages, applications.
3. Fluid mechanisms - energy transfer (principle), basic principle of hydraulic systems (figure and description).
4. Fluids in systems - their purpose in systems, types, applications.
5. Hydrostatic converters - types, purpose, ideal converters (equations).
6. Hydrostatic converters - real converters (equations), efficiencies.
7. Basic characteristics of real rotary converters.
8. Rotary hydraulic pumps - types, basic principles, advantages, and disadvantages.
9. Rotary hydraulic motors - types, basic principles, advantages, and disadvantages.
10. Rotary actuators - types, basic principles, advantages, and disadvantages.
11. Hydraulic cylinders - types, basic principles, advantages, and disadvantages.
12. Check valves, shut-off valves, cartridge valves - types, basic principles, applications, graphical symbols.
13.Directional valves - types, basic principles, applications, graphical symbols.
14. Throttle valves - types, flow equation, basic principles, applications, graphical symbols, characteristics.
15. 2-way and 3-way flow control valves - their purpose, basic principles, applications.
16. Pressure control valves - types, basic principles, applications, graphical symbols.
17. Accumulators - types, basic principles, advantages, and disadvantages.
18. Accumulators - their functions in systems, examples of their applications in hydraulic systems (figures).
19. Filters and filtration technology - filter types, purpose, location in systems.
20. Tanks - purposes, types, heat flow, stabilization circuit (temperature, filtration).
21. Heat exchangers - types, power equations.
22. Pressure intensifiers - their purpose in systems, types, applications, pressure gain.
23. Electrohydraulic components in hydraulic systems - purpose, function, types, characteristics.
24. Basics of pneumatic mechanisms.
Recommended or Required Reading
Required Reading:
[1] FOJTÁŠEK, K., HRUŽÍK, L., BUREČEK, A., STONAWSKI, E., DVOŘÁK, L., VAŠINA, M.: Fluid Mechanisms - Hydraulic Mechanisms, VŠB-TU Ostrava, 2022, 227 s. Available at: https://www.fs.vsb.cz/338/cs/studium/skripta/
[2] FOJTÁŠEK, K., HRUŽÍK, L., DVOŘÁK, L, BUREČEK, A., STONAWSKI, E., VAŠINA, M.: Fluid Mechanisms - Practical Tasks and Basics of Pneumatics, VŠB-TU Ostrava, 2022, 167 s. Available at: https://www.fs.vsb.cz/338/cs/studium/skripta/
[3] EXNER, H. et al. Hydraulics, Basic Principles and Components. Würzburg, Germany: Bosch Rexroth AG., 2011. 326 p. ISBN 978-3-9814879-3-0.
[4] GÖTZ, W. Hydraulics. Theory and Applications. Ditzingen, Germany: OMEGON, 1998. 291 s. ISBN 3-980-5925-3-7.
[5] DODDANNAVAR, RAVI BARNARD, ANDRIES. (2005). Practical Hydraulic Systems - Operation and Troubleshooting for Engineers and Technicians. Elsevier. Online version available at:
https://app.knovel.com/web/toc.v/cid:kpPHSOTET2/viewerType:toc
[1] FOJTÁŠEK, K., HRUŽÍK, L., BUREČEK, A., STONAWSKI, E., DVOŘÁK, L., VAŠINA, M.: Tekutinové mechanismy - Hydraulické mechanismy, VŠB-TUO, 2022, 225 s. Dostupné z: https://www.fs.vsb.cz/338/cs/studium/skripta/
[2] FOJTÁŠEK, K., HRUŽÍK, L., DVOŘÁK, L, BUREČEK, A., STONAWSKI, E., VAŠINA, M.: Tekutinové mechanismy - Praktické úlohy a základy pneumatiky, VŠB-TU Ostrava, 2022, 165 s. Dostupné z: https://www.fs.vsb.cz/338/cs/studium/skripta/
[3] PAVLOK, B., HRUŽÍK, L., BOVA, M. Hydraulická zařízení strojů. Ostrava : VŠB-TU Ostrava, 2007. 116 s. Dostupné z: https://www.fs.vsb.cz/338/cs/studium/skripta/
[4] KOPÁČEK, J., Žáček, M. Pneumatická zařízení strojů. Ostrava : VŠB-TU Ostrava, 2003. 94 s. ISBN 80-248-0442-5.
[5] KOPÁČEK, J., PAVLOK, B. Tekutinové mechanismy. Ostrava : VŠB-TU Ostrava,
1994. 156 s. ISBN 80-7078-238-2.
Recommended Reading:
[1] EWALD, R. et al. Proportional and Servo-valve Technology. Lohr am Main, Germany: Bosch Rexroth AG, 2003. 300 p.
[2] HEHN, H. et al. Fluid Power Troubleshooting. New York : Marcel Dekker. 1995. 647 p. ISBN 0-8247-9275-0.
[3] MANRING. (2005). Hydraulic Control Systems. John Wiley & Sons. Online version available at:
https://app.knovel.com/web/toc.v/cid:kpHCS0000E/viewerType:toc
SMC - eLEARNING. available from https://digital.smctraining.com/?lang=cs (username and password will be assigned by teacher, Pneumatic Systems module, Hydraulics module)
Another study support - https://www.fs.vsb.cz/338/cs/studium/studijni-opory/
[1] PAVLOK, B. Základní konstrukční celky. Ostrava: VŠB – TU Ostrava, 2008. 41 s. Dostupné z: https://www.fs.vsb.cz/338/cs/studium/skripta/
[2] PAVLOK, B. Potrubní systémy a armatury. Ostrava: VŠB – TU Ostrava, 2011. 81 s. Dostupné z: https://www.fs.vsb.cz/338/cs/studium/skripta/
[3] PAVLOK, B. Hydraulické prvky a systémy. Díl 1. Ostrava: VŠB – TU Ostrava, 1999. 158 s. ISBN 80-7078-620-5.
[4] PAVLOK, B. Hydraulické prvky a systémy. Díl 2. Ostrava: VŠB – TU Ostrava, 2008. 150 s. ISBN 978-80-248-1827-6.
[5] KOPÁČEK, J. Pneumatické mechanismy. Díl I. Ostrava: VŠB – TU Ostrava, 1996. 267 s. ISBN 80-7078-306-0.
[6] PIVOŇKA, J. A KOL. Tekutinové mechanismy. Praha : SNTL, 1987. 623 s.
[7] Rexroth, Bosch Group. Fluidní technika. Průmyslová hydraulika. Základy. Brno: Bosch Rexroth, spol. s r. o., 2012. 260 s.
[8] EXNER, H. et al. Hydraulics, Basic Principles and Components. Würzburg, Germany: Bosch Rexroth AG., 2011. 326 p. ISBN 978-3-9814879-3-0.
[9] EWALD, R. et al. Proportional and Servo-valve Technology. Lohr am Main, Germany: Bosch Rexroth AG, 2003. 300 p
SMC - eLEARNING. dostupné z https://digital.smctraining.com/?lang=cs (uživatelské jméno a heslo přidělí vyučující, modul Pneumatické systémy - česká a anglická verze, modul Hydraulics - anglická verze)
Další studijní opory na https://www.fs.vsb.cz/338/cs/studium/studijni-opory/
Planned learning activities and teaching methods
Lectures, Tutorials, Experimental work in labs, Project work
Assesment methods and criteria
Tasks are not Defined