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Strutt|Input Data|Empirical|Muffler inserts the approximate insertion loss of typical reactive mufflers used with reciprocating engines.

Insertion loss values are sourced from Table 10-6, Laymon Miller. The input required is the muffler size (small, medium or large) and pressure drop (low or high).

References:

• Miller, L.N., Noise Control for Buildings and Manufacturing Plants, p10-20