ME432 ACOUSTICS AND NOISE CONTROL ENGINEERIN

Course Code:5690432
METU Credit (Theoretical-Laboratory hours/week):3 (3.00 - 0.00)
ECTS Credit:5.0
Department:Mechanical Engineering
Language of Instruction:English
Level of Study:Undergraduate
Course Coordinator:Assoc.Prof.Dr. MEHMET BÜLENT ÖZER
Offered Semester:Fall and Spring Semesters.

Course Objectives

At the end of this class students will be able to:

  • understand fundamentals of wave propagation in gas medium.
  • understand the concept of  impedance.
  • able to recognize different acoustic sources and know fundamentals properties these sources.
  • know fundamentals of hearing and evaluate the effects of noise on hearing.
  • analyze the quality of sound in rooms and closed environments.
  • know the fundamentals active and passive noise control.

Course Content

Wave motion, wave equation and its solutions. Acoustic plane waves, spherical waves, energy relations. Sound transmission and transmission loss. Mechanism of hearing, sound perception. Noise limits and legislation. Room acoustics. Reverberation. Sabine`s equation. Wave theory. Noise control at the source in the path and at the receiver. Design principles to limit noise.


Course Learning Outcomes

1. Ability to grasp the fundamentals of wave propagation in gases.

2. Ability to calculate SPL and acoutic power of sound and noise.

3. Ability to derive the acoustic wave equation.

4.  Ability to calculate the sound field due to different sound sources.

5. Ability ro determine the hazards and hearing loss due to long time exposure to sound.

6. Ability to caclulate the  propagation and radiation of sound from wave guides.

7. Ability to determine the caclulation of reverberation times in rooms.

8. Ability to define active and passive different noise control strategies.


Program Outcomes Matrix

Contribution
#Program OutcomesNoYes
1Ability to establish the relationship between mathematics, basic sciences and engineering sciences with engineering applications.
2Ability to find and interpret information
3Ability to follow the literature and technology related to his/her topic of interest
4Recognition of the need to keep oneself up to date in his/her profession
5Possession of written and oral communication skills
6Ability to conduct team work (within the discipline, inter-disciplinary, multi-disciplinary)
7Ability to produce original solutions
8Use of scientific methodology in approaching and producing solutions to engineering problems and needs
9Openness to all that is new
10Ability to conduct experiments
11Ability to do engineering design
12Awareness of engineering ethics, knowledge and adoption of its fundamental elements
13Ability to take societal, environmental and economical considerations into account in professional activities
14Possession of pioneering and leadership characteristics in areas related to the profession