Determination of localized hydrological disturbance from ADV frame in measuring volume

by Andrew Hume last modified Dec 02, 2008 04:20 PM
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Determination of localized hydrological disturbance from ADV frame in measuring volume

Posted by Andrew Hume at December 01. 2008

Hi,

I have a fix Vector sitting inside a tripod frame lander with rather thick legs (about 30 cm x 10 cm) that are about 70 cm from the measuring volume. I would like to determine if the legs are creating any localized hydrological disturbance when the current switches and they are upstream of the ADV.

 

I can determine the current direction from QuickWave software for every 8.5min and I know the ADV heading, so I thought about modeling the velocity flow field, but I was hoping there might be an easier way. Any ideas?

 

 

 

Re: Determination of localized hydrological disturbance from ADV frame in measuring volume

Posted by Atle Lohrmann at December 02. 2008

Dear Andrew

Maybe you could caluclate a running value for velocity standard deviation?  I would think that interference from one of the lander legs would coincide with increased turbulent intensity?

- Atle Lohrmann

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