Course objectives:
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The aim of this course is to provide the students with more detailed information of sound and vibration relationship and related measurement methods used in technical acoustics. Students will be introduced to advanced methods for noise and vibration measurement, noise source identification and modal analysis of mechanical structures.
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Requirements on student
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1. lab attendance
2. reports of all measured excercises
3. combined exam success
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Content
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1. Sound - basic terms and quantities.
2. Sound pressure measurement, equipment, environmental noise measurement.
3. Frequency analysis of sound, methods based on FFT and 1/n-octave analysis - part 1.
4. Frequency analysis of sound, methods based on FFT and 1/n-octave analysis - part 2.
5. Sound intensity and sound power measurement, methods useful in near-field and far-field.
6. Methods of noise sources identification.
7. Vibration - basic terms and quantities, sound and vibration relationship.
8. Vibration measurement, types and principle of sensors, signal conditioning - part 1.
9. Vibration measurement, types and principle of sensors, signal conditioning - part 2.
10. Vibration testing - part 1.
11. Vibration testing - part 2.
12. Experimental modal analysis.
13. Possibilities and principles of noise reduction of machines and equipment.
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Activities
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Fields of study
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Guarantors and lecturers
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Guarantors:
Ing. Oldřich Tureček, Ph.D. ,
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Lecturer:
Ing. Oldřich Tureček, Ph.D. (50%),
Ing. Ladislav Zuzjak, Ph.D. (50%),
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Tutorial lecturer:
Ing. Oldřich Tureček, Ph.D. (50%),
Ing. Ladislav Zuzjak, Ph.D. (50%),
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Literature
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Recommended:
MELLOW, T. BERANEK, L. Acoustics: Sound Fields and Transducers. 2012. ISBN 978-0-12-391421-7.
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Recommended:
Randall, R. B. Frequency Analysis. 1987. ISBN 87-87355-07-8.
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Recommended:
Malcolm J. Crocker. Handbook of Noise and Vibration Control. 2007. ISBN 978-0471395997.
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Recommended:
NOVÝ, R. Hluk a chvění. 2009. ISBN 978-80-01-04347-9.
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Recommended:
Broch, J. T. Mechanical Vibration and Shock Measurements. 1984. ISBN 87-87355-34-5.
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On-line library catalogues
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Time requirements
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All forms of study
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Activities
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Time requirements for activity [h]
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Contact hours
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26
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Preparation for an examination (30-60)
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50
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Preparation for laboratory testing; outcome analysis (1-8)
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8
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Practical training (number of hours)
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26
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Total
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110
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Prerequisites
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Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
to use basic knowledge of physics and electric circuits |
to use the basic knowledge of the signal processing |
Skills - students are expected to possess the following skills before the course commences to finish it successfully: |
to connect an electrical circuit for measurement of particular electrical quantity |
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Learning outcomes
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Knowledge - knowledge resulting from the course: |
to explain the basic terms of technical acoustics |
to use suitable methods for sound and vibration frequency analysis |
Skills - skills resulting from the course: |
to use appropriate methods of noise and vibration measurement |
Competences - competences resulting from the course: |
N/A |
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Assessment methods
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Knowledge - knowledge achieved by taking this course are verified by the following means: |
Combined exam |
Skills - skills achieved by taking this course are verified by the following means: |
Skills demonstration during practicum |
Individual presentation at a seminar |
Competences - competence achieved by taking this course are verified by the following means: |
Skills demonstration during practicum |
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Teaching methods
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Knowledge - the following training methods are used to achieve the required knowledge: |
Lecture |
Lecture with visual aids |
Skills - the following training methods are used to achieve the required skills: |
Laboratory work |
Competences - the following training methods are used to achieve the required competences: |
Laboratory work |
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