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<emphasis role="italic"><emphasis role="bold">NOISE CONTROL TECHNIQUES</emphasis></emphasis>
<emphasis role="italic"><emphasis role="bold">NOISE CONTROL TECHNIQUES</emphasis></emphasis>Environmental noise usually does not emanate directly from the energy source; rather, it is transmitted along mechanical or liquid paths before it finally radiates from some vibrating surface into the surrounding environment.The approaches to treating pump noise generally include the following: 1.Source modification Modify the basic pump design or operating condition to minimize the generation of acoustic energy.
Igor J. Karassik; Joseph P. Messina; Paul Cooper; Charles C. Heald: Pump Handbook, Fourth Edition. NOISE CONTROL TECHNIQUES, Chapter (McGraw-Hill Professional, 2008 2001 1986 1976), AccessEngineering Export