Rubina, the 90° V-notch weir ...
Published by Dr. M.P Sukumaran Nair, www.drmpsukumarannair.com
Rubina, the 90° V-notch weir flow (inclined outwardly at 45°) in open channels is ideally suited for accurate measurement of flow of water in the range of 150 to 1500 cubic meters per hour. Dr MP Sukumaran Nair