Course detail

Dynamics of Power Machines and Their Accessories

FSI-LDSAcad. year: 2018/2019

The goal of this subject is to show the students examples of the interaction of systems of diferent physical naturel and their dynamic behaviour. Above all, the physical basis and modelling of system elements in real operating conditions will be discussed. Based on the system modelling, the diagnostic fundamentals and tuning of coupled systems of energetic machinery will be explained.

Learning outcomes of the course unit

The diagnose and tuning ability of the dynamic system in energetic services with respect to noise and vibrations.

Prerequisites

Basics in hydrodynamics, thermo mechanics and the body dynamics

Co-requisites

Not applicable.

Recommended optional programme components

Not applicable.

Recommended or required reading

JULIŠ, Karel a Rudolf BREPTA. Mechanika. Díl 2, Dynamika. Praha: Státní nakladatelství technické literatury, 1987. Technický průvodce, sv. 66.
JULIŠ, Karel a Rudolf BREPTA. Mechanika. Díl 2, Dynamika. Praha: Státní nakladatelství technické literatury, 1987. Technický průvodce, sv. 66.
POCHYLÝ, František. Dynamika tekutinových systémů: Určeno pro posl. fak. strojní. 1. vyd. Praha: Mezinárodní organizace novinářů, 1990. Učební texty vysokých škol. ISBN 80-214-0139-7.
POCHYLÝ, František. Dynamika tekutinových systémů: Určeno pro posl. fak. strojní. 1. vyd. Praha: Mezinárodní organizace novinářů, 1990. Učební texty vysokých škol. ISBN 80-214-0139-7.
Childs, D., 1993, Turbomachinery Rotordynamics. Phenomena, Modeling and Analysis, John Wiley & Sons, Inc. ISBN-10: 047153840X

Planned learning activities and teaching methods

The course is taught through lectures explaining the basic principles and theory of the discipline. Exercises are focused on practical topics presented in lectures.

Assesment methods and criteria linked to learning outcomes

Credit and Examination (oral exam)

Language of instruction

Czech

Work placements

Not applicable.

Aims

The aim is deepening interaction of mechanical, hydrodynamic, thermal and electrical systems.

Specification of controlled education, way of implementation and compensation for absences

Seminars and written tasks on the excercises

Classification of course in study plans

  • Programme M2I-P Master's

    branch M-TEP , 1. year of study, summer semester, 5 credits, compulsory-optional
    branch M-TEP , 1. year of study, summer semester, 5 credits, compulsory-optional
    branch M-FLI , 1. year of study, summer semester, 5 credits, compulsory
    branch M-FLI , 1. year of study, summer semester, 5 credits, compulsory
    branch M-ENI , 1. year of study, summer semester, 5 credits, compulsory-optional
    branch M-ENI , 1. year of study, summer semester, 5 credits, compulsory-optional

Type of course unit

 

Lecture

39 hours, optionally

Teacher / Lecturer

Syllabus

1. Coordinate systems and their transformation
2. The vibrations excitation of machines and constructions – force and kinematical
3. Vibrations. The frequency and intensity of damping. The system stability.
4. Resonation. Dynamical damper, the system balancing.
5. Self excited vibrations
6. Damping – inner, outer, structural
7. The sound wave transmission
8. Bearings, sealing, design elements
9. The rotor dynamic, flexible rotor balancing
10. Nonlinear dynamic systems
11. Modal analysis of mechanical systems
12. The mechanical quantity measurement, the sensors

seminars in computer labs

26 hours, compulsory

Teacher / Lecturer

Syllabus

1. The rotational transformations – the matrix derivation
2. The response on kinematical excitation of machine
3. The stability review in the magnetic flow dependence
4. The animation of the rotor resonance passing
5. Self excited vibrations of the wind power plant
6. The standard body model – the clutch
7. The hydraulic system design with the anti-noise protection
8. The rotor design with the self-lubricating bearing
9. The rotor balancing design
10. The nonlinear flexible clutch design
11. The modal analysis of the turbo machine blade
12. The spectral power density determination