Course
| code | EC522 |
| credit_hours | 3 |
| title | Acoustics |
| arbic title | |
| prequisites | EC341 |
| credit hours | 3 |
| Description/Outcomes | Selected topics in room and underwater acoustics. |
| arabic Description/Outcomes | |
| objectives | Describe the nature of the acoustic wave equation and its solutions.
Define the acoustic power and energy.
Define the sound levels.
Describe the environmental acoustics.
Define the Electro-acoustic transducers.
Describe the underwater acoustics. |
| arabic objectives | |
| ref. books | Frey Kensiler, "Fundamentals of acoustics". |
| arabic ref. books | |
| textbook | B. Forouzan, Data Communications Networking. 3rd ed. New York: McGraw-Hill, 2004. |
| arabic textbook | |
| objective set | bullets |
| content set | bullets |
Course Content
| content serial |
Description |
| 1 |
Acoustic wave and velocity of sound: Velocity of sound in air and water and metal.
|
| 2 |
The one-dimensional wave equation / Impedance of mediums: The one- dimensional wave equation Condensation.
|
| 3 |
Solution of the one dimensional wave equation: The general solution of the one dimensional wave equation Definition of impedance?s. Freely traveling plane wave.
|
| 4 |
Solution of the one dimensional wave equation: The general solution of the one dimensional wave equation Definition of impedance?s. Freely traveling plane wave.
|
| 5 |
Sound intensity and power, Impedance of the freely traveling spherical wave, Intensity, power, energy density, levels and loudness.
|
| 6 |
Energy density and levels: Acoustic power and directivity, Energy density.
|
| 7 |
Multiple sources and levels (power, intensity), Multiple sources, Loudness + 7th Week Exam
|
| 8 |
Environmental acoustics: Environmental acoustics; weighted SPL.
|
| 9 |
Equivalent SPL and assessment of noise: Combination of levels, Assessment of noise, Leq , Ld , Ln , Ldn.
|
| 10 |
Analogy between mechanical and electrical circuits: Introduction, Mechanical circuit elements, Analogy between mechanical and electrical circuits.
|
| 11 |
Analogy between mechanical and electrical circuits: Velocity of sound in air and water and metal, Analogy between acoustical and electrical circuits.
|
| 12 |
Acoustical resonators and filters: Acoustical resonator and filters, Transducer +12th Week Exam
|
| 13 |
Transducers and sensitivity of microphones and Loudspeakers: Sensitivity and types of mics, Efficiency and types of Loudspeakers, hi-fi multispeaker system.
|
| 14 |
Hi-fi system and underwater acoustics: Introduction to underwater acoustics, Velocity of sound in seawater, Sound transmission loss in seawater.
|
| 15 |
Velocity profile and SONAR: Thermocline and velocity profiles, Refraction of sound in seawater, SONAR.
|
| 16 |
Final Examination
|