The determination of flow direction of air velocity using ball type sensors. Richtungsbestimmung der Luftgeschwindigkeit mittels Kugelsensor.
![](https://www.aivc.org/sites/default/files/default_images/default_image_5.png)
Year:
1994
Bibliographic info:
Germany, Ki Luft-und Kaeltetachnik, 8, 1994, pp 384-388, 7 figs, 5 refs, 3 in German.