9049 / 2024

هياكل قياس التدفق – U مجاري مستطيلة وشبه منحرفة وعلى شكل حرف(ISO 4359:2022)(متبناة)

This document specifies methods for the measurement of flow in rivers and artificial channels under steady or slowly varying flow conditions, using certain types of critical-depth flumes (also known as “standing-wave flumes”). A wide variety of flumes h