Noise Control Manual - ICEweb

Noise Control ManualBulletin OZ3000 01/02 Experience, Knowledge & ControlTable of Valve Noise .. Terminology .. Response to Sources of Noise .. Noise Prediction .. Introduction to the Prediction Method .. Explanation of the Prediction Method .. Additional Comments .. Control Valve Noise Reduction .. Static Restrictor Selection .. Vent Systems .. Calculation Procedure ..5 Hydrodynamic Noise .. Guidelines and Equipment Selection ..Appendix: Installation Considerations ..2OZ3000 01/021. Control Valve IntroductionNoise pollution will soon become the third greatest menaceto the human environment after air and water Noise is a by-product of energy conversion, there will be increasing Noise as the demand for energy for transportation, power, food, and chemicals the field of Control equipment, Noise produced by valveshas become a focal point of attention triggered in part byenforcement of the Occupational Safety and Health Act,which in most cases limits the duration of exposure to noisein industrial locations to the levels shown in Table Acoustic TerminologyNoiseNoise is unwanted is a form of vibration which propagates through elastic media such as air by alternately compressing andrarefying the media.

1. Control Valve Noise 1.1 Introduction Noise pollution will soon become the third greatest menace to the human environment after air and water pollution.

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