ISO 9827:1994 Preview
Measurement of liquid flow in open channels by weirs and flumes -- Streamlined triangular profile weirs
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
Specifies methods for the measurement of the flow of water in open channels under steady flow conditions. The flow conditions considered are free flow, which is dependent on the upstream head only, and drowned flow, which depends on both upstream and downstream water levels.
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