Dan's Wiki test page
distance (cm) | [math]\displaystyle{ \theta\ }[/math] (degrees) | expected [math]\displaystyle{ \omega_b \ (kHz) }[/math] | measured [math]\displaystyle{ \omega_b \ (kHz) }[/math] |
---|---|---|---|
0 | 0 | 0 | 0 |
.74 | 5 | 24.5 ± 2.235 | 53 |
1.48 | 10 | 48.8 ± 2.235 | 73 |
2.20 | 15 | 72.8 ± 2.235 | 95 |
2.91 | 20 | 96.2 ± 2.235 | 121 |
3.59 | 25 | 118.9 ± 2.235 | 140 |
4.25 | 30 | 140.6 ± 2.235 | 188 |
4.88 | 35 | 161.33 ± 2.235 | 188 |
5.46 | 40 | 180.8 ± 2.235 | 226 |
6.01 | 45 | 198.9 ± 2.235 | 226 |
6.96 | 50 | 215.5 ± 2.235 | 249 |
7.36 | 55 | 230.4 ± 2.235 | 264 |
7.70 | 60 | 243.9.66 ± 2.235 | 270 |
[math]\displaystyle{ \omega_b=\mid\omega_1-\omega_2\mid \ }[/math]
- [math]\displaystyle{ \omega_1 \ }[/math] is the frequency before the Doppler shift
- [math]\displaystyle{ \omega_2 \ }[/math] is the frequency after the Doppler shift
[math]\displaystyle{ \omega_1=\frac{c}{\lambda} \ }[/math]
[math]\displaystyle{ f_d=\frac{c}{\lambda}-\frac{V_r}{\lambda} \ }[/math]
[math]\displaystyle{ V_\amalg=sin(\theta)\omega r \ }[/math]
[math]\displaystyle{ \omega_b=\frac{sin(\theta)\omega r }{\lambda} \ }[/math]
[math]\displaystyle{ \theta\ }[/math]
[math]\displaystyle{ \phi \ }[/math]
[math]\displaystyle{ \omega_b=cos(\theta)* \ }[/math]
[math]\displaystyle{ cos(\theta-\frac{\pi}{2})=sin(\theta) \ }[/math]
[math]\displaystyle{ \omega_1=\frac{c}{\lambda}-\frac{cos(\theta)\omega r}{\lambda} \ }[/math]
[math]\displaystyle{ \omega_2=\frac{c}{\lambda} \ }[/math]
[math]\displaystyle{ \omega_b=\frac{\omega r}{\lambda}(cos(\theta)) \ }[/math]
[math]\displaystyle{ V_\amalg \ }[/math]
[math]\displaystyle{ \frac{dVol}{dt}=A v \ }[/math]
[math]\displaystyle{ V_\perp \ }[/math]
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MIDDLE!
V=9.4 Volts
time | Volume Filled (mL) | [math]\displaystyle{ \frac{dVol}{dt} (mL/s)\ }[/math] | velocity (m/s) | Single Shift Expected [math]\displaystyle{ \omega_b \ (kHz) }[/math] |
---|---|---|---|---|
11.86 | 200 | 16.8634 | 1.6863 | 689.72 |
13.67 | 240 | 17.5567 | 1.7557 | 718.08 |
12.9 | 210 | 16.9753 | 1.6975 | 694.30 |