Noise and Vibration in Environment
Data is displayed for the academic year: 2024./2025.
Course Description
Basic noise and vibration parameters. Noise and vibration measurement transducers. Sound propagation in free field, tubes and ducts. Noise protection measures, noise barriers, noise maps. Active noise protection. Personal means of noise protection. Systems with single and multiple degrees of freedom. Methods of vibration damping and protection. Norms and regulation.
Prerequisites
To successfully follow the course, knowledge acquired in the courses Mathematical Analysis 1, Physics and Fundamentals of Electrical Engineering from the first year of undergraduate studies at FER, or equivalent courses from other studies, is required.
Study Programmes
University undergraduate
[FER3-EN] Computing - study
Elective Courses
(5. semester)
[FER3-EN] Electrical Engineering and Information Technology - study
Elective Courses
(5. semester)
Learning Outcomes
- distinguish sound and vibration indicators based on sound pressure, intensity and power levels and vibration levels
- explain the origin of mechanical vibrations and basic principles of their abatement
- calculate measures for indoor and outdoor noise protection
- operate instruments for measuring noise and vibration levels
- use noise maps and other indicators for estimating imission levels and evaluating soundscapes
- apply noise and vibration protection laws and regulations for determining their influence on people
Forms of Teaching
Lectures
Lectures are held in 2 terms, 3 hours per week. Short exams and solving of numerical examples will be integrated into the lectures.
Independent assignmentsIndividual work for selected topic from the field of the whole course
Laboratory6 laboratory exercises will be organized, 2 hours each, that follow the contents of the lectures.
Grading Method
Continuous Assessment | Exam | |||||
---|---|---|---|---|---|---|
Type | Threshold | Percent of Grade | Threshold | Percent of Grade | ||
Laboratory Exercises | 0 % | 20 % | 0 % | 0 % | ||
Homeworks | 0 % | 10 % | 0 % | 0 % | ||
Mid Term Exam: Written | 0 % | 35 % | 0 % | |||
Final Exam: Written | 0 % | 35 % | ||||
Exam: Written | 0 % | 50 % | ||||
Exam: Oral | 50 % |
Week by Week Schedule
- Noise indicators
- Methods of noise protection
- Airborne sound insulation; Impact noise sound insulation
- Noise barriers
- Noise maps
- Sound in tubes and ducts
- Measurement microphones
- Midterm exam
- Norms and regulation, Personal noise protection
- Advanced noise control in single channel and multi channel systems, Control systems with feedback
- Single degree of freedom systems, Multi degree of freedom systems
- Characteristics and parameters of vibration, Vibration damping methods
- Measurement accelerometers
- Hand-arm vibration; Whole-body vibration, Norms and regulation
- Final exam
Literature
Domitrović, Hrvoje; Jambrošić, Kristian; Petošić, Antonio (2015.), Prijenos zvuka, Element
Tihomil Jelaković (1978.), Zvuk, sluh, arhitektonska akustika, Školska knjiga
General
ID 223334
Winter semester
5 ECTS
L2 English Level
L1 e-Learning
45 Lectures
0 Seminar
0 Exercises
12 Laboratory exercises
0 Project laboratory
0 Physical education excercises
Grading System
89 Excellent
76 Very Good
63 Good
50 Sufficient