Course detail
Hydraulic and Mechnaical Gears
FSI-FHM Acad. year: 2024/2025 Winter semester
Supervisor
Department
Learning outcomes of the course unit
Prerequisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Language of instruction
Czech
Aims
Specification of controlled education, way of implementation and compensation for absences
The study programmes with the given course
Programme C-AKR-P: , Lifelong learning
branch CZS: , 4 credits, elective
Programme B-STR-P: Engineering, Bachelor's
branch SSZ: Machine and Equipment Construction, 4 credits, compulsory
Type of course unit
Lecture
39 hours, optionally
Teacher / Lecturer
Syllabus
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 hours, compulsory
Teacher / Lecturer
Syllabus
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
7 hours, compulsory
Teacher / Lecturer
Syllabus
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.