Table 2.
Measured first-mode resonant frequencies (f1), damping ratios (z), and quality factors (Q) for the whiskers of the D row
|
Whisker |
Length (mm) |
f1 vib. |
f1 imp. |
ζ vib. |
ζ imp. |
Q vib. |
Q imp. |
|---|---|---|---|---|---|---|---|
| D1 | 49 | 50 | 50.5 | 0.17 | 0.14 | 5.9 | 7.1 |
| D2 | 35 | 91 | 89 | 0.13 | 0.12 | 7.7 | 8.3 |
| D3 | 27 | 126 | 128 | 0.14 | 0.11 | 7.1 | 9.0 |
| D4
|
28
|
85
|
85
|
0.17
|
0.15
|
5.9
|
6.7
|
First-mode resonant frequencies (f1) are given in Hertz. Vib. indicates that the data were obtained from the vibration experiment. Imp. indicates that the data were obtained from the impulse experiment. Q values were calculated as Q=1/2z.