Research Article
Research on the Low Frequency Broadband Piezoelectric-Magnetostrictive Hybrid Transducer
Table 4
Comparison between MPT (NUMC) and Hybrid transducer (this paper).
| | | MPT (NUMC) | Hybrid transducer (this paper) |
| | Length (mm) | 406 | 235 |
| | Radiating surface (mm) | Square, 190.5 × 190.5 | Circle, |
| | Weight (kg) | | | | Without house | 29.5 | 2.61 | | With house | 40 | 3.3 |
| | Volume of piezoelectric ceramic (×103 mm3) | Not known | 15.87 |
| | Volume of magnetostrictive material (×103 mm3) | Not known | 22.86 |
| | Bias magnetic field (kA/m) | 60 | 40 |
| | Number of turns () | 300 | 682 |
| | Resonance frequency (kHz) | | | | Low | 1.8 | 1.82 | | High | 3.5 | 3.76 |
| | Max transmitting response (dB) | 152 (TVR)
Voltage drives in both piezoelectric and magnetostrictive sections | 124.5 (TVR)
Only voltage drives in the piezoelectric section
185.4 (TCR)
Only current drives in the magnetostrictive section |
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