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The Acoustic Doppler Velocimeter (ADV) is a tool that is designed to record instantaneous velocity components at a single-point with a relatively high frequency. The measurements are performed by measuring the velocity of particles in a remote sampling volume. It consists of a probe head made of 3 to 4 receivers. The measuring distance can be anywhere between 5 and 15 centimeters from the probe head. Figure 1 shows a diagram of a standard ADV. Also, any data taken from an ADV has to be properly analyzed. This is because the ADV is very sensitive to fluctuations and noise, which makes data points taken from any single point unreliable.
Figure 1
ADV in Manifold Research
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This is where you click to record data. The left circle indicates what you click to record data. The right circle indicates where you click to terminate the recording of data.
This is where you click to download data from the ADV when you are done taking measurements. Do this frequently, because the ADV has a limited memory. The program will notify you when it cannot store any more information, and so you should download the data to your computer.
When you are done downloading the data from the ADV to your computer, erase the data from the ADV using this button.