When specifying cooling equipment, engineers are faced with myriad decisions affecting performance and layout. One critical consideration is the noise emitted. As population density rises in major ...

The dynamic range and frequency response required to make sound measurements on passing trains in a variety of environments. The methodologies used to analyze the measured data. The considerations ...

The world is getting louder. People cannot escape noise pollution in their everyday lives whether from traffic, infrastructure, music or more, but employees can and must be protected from excessive ...