ISO 4371-1984 堰、槽明渠水流测量 在非矩形渠道上对自由溢流量估算的末端测深法(近似法)

标准号：ISO 4371-1984
中文标准名称：堰、槽明渠水流测量 在非矩形渠道上对自由溢流量估算的末端测深法(近似法)
英文标准名称：Measurement of liquid flow in open channels by weirs and flumes; End depth method for estimation of flow in non-rectangular channels with a free overfall (approximate method)
标准类型：P12
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：P12
国际标准分类号：17.120.20
适用范围：Specifies a method for the estimation of subcritical flow of clear water in smooth, essentially horizontal, straight open channels with a vertical drop and discharging freely. Gentle positive slopes not greater than 1 in 2000 are admissible. Covers channels with the following types of cross-section, the nappe being confined: a) trapezoidal; b) triangular; c) parabolic; d) circular.