Table 6 Comparison of measured values of effective sound pressure level of radiated noise at four field points before and after optimization of test gearbox (dB(A))
From: Optimal Design and Experimental Verification of Low Radiation Noise of Gearbox
Field point 1 | Field point 2 | Field point 3 | Field point 4 | Average value | |
|---|---|---|---|---|---|
Original model | 93.15 | 89.96 | 83.94 | 82.96 | 87.50 |
Optimization model 2 | 83.74 | 88.35 | 82.73 | 84.62 | 84.86 |
Optimization model 4 | 85.87 | 88.15 | 82.78 | 83.07 | 84.97 |