Acoustic Doppler Velocimeter (ADV)
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.
Figure 1
ADV in Manifold Research
The ADV used in for the manifold research was a Nortek Vectrino. It was positioned outside of each port in order to measure the velocity in each jet. Through use and acclimation to this particular model, it was found that the probe head should be positioned approximately 17 cm (instead of the suggested 15 cm) from the sampling volume. Figure 2 shows the position and placement of an ADV in the inlet manifold model.
Figure 2
ADV software
The software required for the specific ADV model can be found through the Nortek Website. The following screenshots show how to set up and change the preferences for the ADV.
This is the front page of the ADV program.
This is what you click to configure the ADV.
We used a sampling rate of 16 Hz and a velocity range of 1.0 m/s