Table 4 Effective sound pressure level of radiated noise at each field point before and after topology optimization design of single-stage 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 | 95.19 | 92.61 | 85.79 | 84.23 | 89.46 |
Optimization model 1 | 81.82 | 86.14 | 80.51 | 80.96 | 82.36 |
Optimization model 2 | 81.64 | 86.45 | 80.63 | 80.12 | 82.21 |
Optimization model 3 | 84.04 | 86.76 | 81.76 | 81.05 | 83.40 |
Optimization model 4 | 84.47 | 86.27 | 81.48 | 81.24 | 83.37 |