Multiple met masts

Hello!

I am coming back on a subject that was disscussed previously but needs more clarification (to me at least....). If I have two or more anemometers on the same mast, but at different hight, how is it possible to calculate a single wind map taking in consideration the tab files of each anemometer? And, if this is not possible, if I create a different wind map for each tab file, can a generate an energy report taking in consideration all data?

Sorin C

Hi Sorin,

You could create a met mast for each height. I think that the WindMap code would then attempt to fit to both heights but I'm not sure as its been a while since I looked at that code.

Do you have a roughness map? Usually, people would just use the highest instrument height for estimating the wind resource and use the lower instrument heights to estimate the shear. You can then compare the shear at the mast to the shear that you calculate from the roughness map.

Everyone has multiple instrument heights. The way you incorporate the lower ones is through shear. In the wind-flow module in openWind that would be done by checking the roughness map and adjusting if necessary.

Nick

Hi!

Thanks Nick for your answer. I am using a roughness map. I'll go more into detail regarding this issue and I'll come back.

SorinC