After reading this article you will learn about Sound:- 1. Introduction to Sound 2. Propagation of Sound 3. Complex Waves 4. Octaves 5. Energy 6. Reflection 7. Decibel Scale. Contents: Introduction to Sound Propagation of Sound Complex Sound Waves Octaves Energy in Sound Waves Reflection of Sound Waves and Impedance Decibel Scale 1. Introduction to Sound: The field of noise [...]
For the solution of noise problems, it is very convenient to view the system in terms of a source, a path and a receiver, as shown in Fig. 3 in the form of a block diagram. The source is the point (or points) in space where the noise apparently originates. The path is the line (or lines) in air along [...]
After reading this article you will learn about Vibrations:- 1. Introduction to Vibrations 2. Sources of Vibrations 3. Measurement 4. Effects on Human Body 5. Diseases 6. Safety Measures. Contents: Introduction to Vibrations Sources of Vibrations Vibration Measurement Effects of Vibrations on Human Body Vibration Diseases Safety Measures against Vibration 1. Introduction to Vibrations: Machinery, equipment and power-driven tools, which [...]