Hydraulic and Mechnaical Gears (FSI-FHM)

Academic year 2024/2025
Supervisor: doc. Ing. Miroslav Škopán, CSc.  
Supervising institute: ÚADI all courses guaranted by this institute
Teaching language: Czech
Course type: departmental course
Aims of the course unit:
 
Learning outcomes and competences:
 
Prerequisites:
 
Course contents:
 
Teaching methods and criteria:
 
Assesment methods and criteria linked to learning outcomes:
 
Controlled participation in lessons:
 
Type of course unit:
    Lecture  13 × 3 hrs. optionally                  
    Laboratory exercise  6 × 1 hrs. compulsory                  
    Exercise  7 × 1 hrs. compulsory                  
Course curriculum:
    Lecture 1. Theory of hydrostatic mechanisms, continuity equation, Bernoullis relation.
2. Hydraulic resistances in the hydrostatic mechanisms.
3. Transmission of pressure energy in the hydrostatic mechanisms, resistances H, R, D.
4. Switching-in resistances of the same and different type, resistance network.
5. Starting and braking hydrostatic mechanisms, heat calculation of hydrostatic circuits.
6. Components of hydrostatic mechanism: converters and their parameters.
7. Hydraulic generators: construction, characteristic curves, circuits.
8. Rotary and rectilinear hydraulic motors: construction, characteristic curves, connection in circuit.
9. Elements for pressure, direction and rate of flow control.
10. Proportional elements, auxiliary elements.
11. The ground of hydrostatic mechanisms design.
12. Hydrostatic propulsive circuits of mobile working machines.
13. Hydrodynamic couplings and hydraulic torque converters.
    Laboratory exercise 6. Construction and maintenance of main elements of hydrostatic circuits.
7. Drawing up a hydraulic generator characteristic curve.
8. Control of hydraulic motors speed in open hydraulic circuits. 
    Exercise 1. Fluids of hydrostatic circuits and their properties.
2. Hydraulic loss in hydrostatic mechanisms.
3. Calculation of resistances across movement, acceleration, deformation.
4. Calculation of starting and braking hydrostatic mechanisms.
5. Heat calculation of hydrostatic mechanisms.
Literature - fundamental:
1. MÁLIK, Ladislav. Konštruovanie. III, Mechanické, hydraulické a hydromechanické prenosy. 2. preprac. vyd. V Žiline: Žilinská univerzita, 2012, 514 s. ISBN 978-80-554-0476-9.
2. BAROŠKA, Ján. Hydrostatické mechanizmy. Žilina: Hydropneutech, 2012, 388 s. ISBN 978-80-970-89726.
3. Majmudar, R.S.: Oil Hydraulics Systems, McGraw-Hill 2003, ISBN 0-07-140669-7
Literature - recommended:
1. ŠKOPÁN, M.: Hydraulické převody strojů. Elektronická verze, VUT Brno 2009
2. PAVLOK, Bohuslav. Hydraulické prvky a systémy. Díl 1., Kapaliny v hydraulických mechanismech, hydrostatické převodníky. 3. vyd. Ostrava: VŠB - Technická univerzita Ostrava, 2013. ISBN 978-80-248-2983-8.
3. PAVLOK, Bohuslav. Hydraulické prvky a systémy. Díl 2., Řídicí prvky hydrostatických systémů, příslušenství hydraulických obvodů. 2. vydání. Ostrava: VŠB - Technická univerzita Ostrava, 2015. ISBN 978-80-248-3777-2.
4. SUBRAMANYA, K. 1000 solved problems in fluid mechanics (includes hydraulic machines). New Delhi: Tata McGraw-Hill, 2005, ix, 456 s. : il. ISBN 978-0-07-014476-7.
The study programmes with the given course:
Programme Study form Branch Spec. Final classification   Course-unit credits     Obligation     Level     Year     Semester  
B-STR-P full-time study SSZ Machine and Equipment Construction -- Cr,Ex 4 Compulsory 1 3 W
C-AKR-P full-time study CZS -- Cr,Ex 4 Elective 1 1 W