Hydrometry — Open channel flow measurement using thin-plate weirs
液体测量 - 使用薄板堰开放通道流量测量
发布日期:
2017-05-02
ISO 1438:2017规定了在自由流动条件下,使用矩形和三角形(V形缺口)薄板堰测量明渠清水流量的要求。它包括在淹没(淹没)水流条件下使用全宽矩形薄板堰的要求。
ISO 1438:2017 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It includes the requirements for the use of full-width rectangular thin-plate weirs in submerged (drowned) flow conditions.