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Fluid Elements and Systems

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

Course Unit Code338-0541/02
Number of ECTS Credits Allocated5 ECTS credits
Type of Course Unit *Compulsory
Level of Course Unit *Second Cycle
Year of Study *First Year
Semester when the Course Unit is deliveredSummer Semester
Mode of DeliveryFace-to-face
Language of InstructionCzech
Prerequisites and Co-Requisites Course succeeds to compulsory courses of previous semester
Name of Lecturer(s)Personal IDName
HRU38doc. Dr. Ing. Lumír Hružík
STO76Ing. Erik Stonawski, Ph.D.
DVO31Ing. Lukáš Dvořák, Ph.D.
VAS024doc. Ing. Martin Vašina, Ph.D.
BUR262Ing. Adam Bureček, Ph.D.
Summary
In the first part of the course Fluid systems and components in more detail, students learn about functions, structures, parameters, characteristics, and calculated using the fluid control elements, in particular hydraulic and pneumatic proportional valves and switchboards, control valves and servo-valves. In addition, sources familiar with the problems of pressure and flow of resources, capabilities and management (control pumps, battery drives, etc.).
In the section devoted to fluid systems become familiar with the properties of selected fluid systems such as systems with batteries, with proportional valves, energy saving systems, systems with two or more motors, systems, ensuring synchronous operation of hydraulic motors, systems for handling massive loads, etc.
Acquainted with the composition of hydraulic and pneumatic drives and hydrostatic transmissions. These systems will be able to design and carry out basic calculation parameters in steady state. They will be able to solve cases of acceleration and braking actuators, and solve the thermal balance of these drives. Meet the basics of reliability, operation and maintenance of fluid systems.
The exercises practiced brand of fluid elements, measuring the static characteristics of the fluid elements on praktikátorech to verify the properties and behavior of fluid systems, practicing the theory of fluid systems, analyze typical hydraulic and pneumatic circuits in steady state solves heats, brake fluid balance and thermal systems. Propose (projects) simpler types of fluid systems.
Learning Outcomes of the Course Unit
Students learn more deeply with hydraulic and pneumatic components, their structures, functions, parameters, characteristics and use in hydraulic and pneumatic circuits. They know how to properly use these elements in hydraulic and pneumatic systems. In detail, students will learn the advanced control technology and servo technology in hydraulic and pneumatic actuators and mechanisms. They know the most important sources of constant pressure, and then use this knowledge to design systems with valve control. In the field of fluid power systems become familiar with key applications, ie, hydraulic and pneumatic machine drives and hydrostatic transmissions. They learn to deal with cases of start-ups and drive mechanisms, and calculate the thermal balance of fluid. They will learn the basics of reliability, operation and maintenance of fluid systems.
Course Contents
Syllabus of lectures:
Week Contents lectures
1th Sources of pressure and flow sources. Hydraulic power packs. Management of hydro. Control pumps and motors.
2 th Hydraulic motors and pneumomotory: structure, characteristics, efficiency, use. Seals in hydraulics.
3 th Flow control valves, flow regulators, distributors, controlled one-way valves, pressure valves.
4th Proportional valve, proportional control valves, proportional pressure valves.
5th Design of proportional distributor with regard to the dynamics of the system.
6th Servo valves. Filtration of working fluid.
7th Actuators. Dynamics of actuators. Sources of constant pressure.
8th Circuits with batteries and accumulators. Circuits for material handling loads.
9th Hydrostatic: structure, function, structural characteristics, the operating point and the drive mechanism.
10th Starting and braking and propulsion mechanism.
11th Circuits with two or more motors. Synchronous motors running.
12th The volume of fluid control actuators. Hydrostatic transmissions. Applications.
13th Valve motion control. Characteristics, comparison, applications.
14th Pneumatic control systems. Applications.


Syllabus of practicals:
Week Contents practicals and seminars
1 Repeating a hydrostatics. The pressure in the liquid. Pressure loss. Flow losses.
2 Repeat : Graphical symbols elements. Analysis of an ideal hydraulic circuit in steadystate: examples.
TEST 1: Physical properties of liquids. The pressure in the liquid. Pressure and flowloss. For the test may receive up to 15 points.
3 Basic hydraulic circuits. Demonstration on hydraulical stand.
4 Design and calculation of parameters of the hydraulic circuit is a real source of the flow in steady state.
Program 1: Design and calculation of parameters of a real hydraulic circuit insteady state. To cast the program can receive up to 10 points.
5 Calculation of the parameters of the circuit flow control valves.
6 Proposal for a hydraulic circuit with proportional valve: Part 1
Program 2: Design a hydraulic circuit with proportional valve. Under the program can receive up to 10 points.
7 Proposal for a hydraulic circuit with proportional valve: Part 2
8 Hydraulic stiffness. Hydraulic natural frequency with load. Effect of fluid compressibilityand leadership.
9 Transfer properties of nine controls.
10 Starting the drive.
11 Synchronous motors running: examples.
12 Circuits with accumulators: examples.
13 Pneumatic control systems: assembly of pneumatic circuits hydraulical stand.
14 Proposal for a pneumatic circuit.
Recommended or Required Reading
Required Reading:
GOETZ, W. Hydraulics. Theory and Applications. Ditzingen: OMEGON, 1998. 291 s. ISBN 3-980-5925-3-7.
BEATER, P. Pneumatic drives: system design, modelling and control. Berlin: Springer, 2007. 323 pp. ISBN 978-3-540-69470-0.
KOPÁČEK, J.; PAVLOK, B. Tekutinové mechanismy. Ostrava: VŠB-TU Ostrava, 1994. 156 s. ISBN 80-7078-238-2.
PAVLOK, B. Hydraulické prvky a systémy. Díl 1. Ostrava: VŠB-TU Ostrava, 1999. 158 s. ISBN 80-7078-620-5.
PAVLOK, B. Hydraulické prvky a systémy. Díl 2. Ostrava: VŠB-TU Ostrava, 2008. 150 s. ISBN 978-80-248-1827-6.
KOPÁČEK, J. Pneumatické mechanismy, Díl I. Pneumatické prvky a systémy. Ostrava: VŠB-TU Ostrava, 1996.
Recommended Reading:
NOACK, S. Hydraulics in Mobile Equipment. Ditzingen: Rexroth Bosch Group + OMEGON, 2001. 202 s. ISBN 0-7680-0886-7.
SMC - eLEARNING. available from http://smctraining.mrooms.net/ (username and password will be assigned by teacher, Pneumatic Systems module, Hydraulics module)
KOLEKTIV AUTORŮ. SMC Training – Stlačený vzduch a jeho využití. Brno: SMC Industrial Automation CZ s.r.o. 4. vydání. 2019. 344 s.
KOPÁČEK, J.; ŽÁČEK, M. Pneumatická zařízení strojů. Ostrava: VŠB-TU Ostrava, 2003.
KOPÁČEK, J. Pneumatické mechanismy. Díl 2. Řízení pneumatických systémů. Ostrava: VŠB-TU Ostrava, 1997.
SOUČEK, P. Elektrohydraulické servomechanismy. Praha: ČVUT, 1992. 158 s. ISBN 80-01-00376-0.
PAVLOK, B.; HRUŽÍK, L.; BOVA, M. Hydraulická zařízení strojů. Ostrava: VŠB-TU Ostrava, 2007. 116 s. Dostupné na: https://www.fs.vsb.cz/338/cs/studium/skripta/
GOETZ, W. Hydraulics. Theory and Applications. Ditzingen: OMEGON, 1998. 291 s. ISBN 3-980-5925-3-7.
SMC - eLEARNING. dostupné z http://smctraining.mrooms.net/ (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/skripta/
Planned learning activities and teaching methods
Lectures, Tutorials, Experimental work in labs, Project work
Assesment methods and criteria
Task TitleTask TypeMaximum Number of Points
(Act. for Subtasks)
Minimum Number of Points for Task Passing
Exercises evaluation and ExaminationCredit and Examination100 (100)51
        Exercises evaluationCredit35 20
        ExaminationExamination65 25