Table 2-1. Estimated Overall PWL for the Easing Noise of Diesel

Table 2-2. Frequency Adjustments (in dB) for Casing of Reciprocating Engines

Power Plant Acoustics - index
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13

rections are different for the different engine speed

Octave-band PWLs can be obtained by subtracting

groups.

the table 22 values from the overall PWL given

by table 2l or equation 2-l. The octave-band cor-

2-5

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