Hi, we need to calculate the pipe noise insulation for water and steam pipe lines in power plant. We have sound limit of 75 decibel for all equipment's like valves ,pumps etc. If we go with ISO code 15665-2003, we have noise class A, B, C. where we get insulation of 50 mm or 100 mm for pipe for specified insulator density. WE have mineral wool as insulator or we use some different insulator than how to get the insulation thickness for noise. How to get any formulation that govern the pipe insulation thickness as per insulation material.how get distributed 75 Db level in Octave band frequency.
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