Milltronics OCM II PL-269, Инструкция по эксплуатации

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P2=1 BS-3680 ROUND-NOSE HORIZONTAL CREST WEIR
U0 = Q
cal
The flowrate at full head
enter: [value from specs.]
U1 = t
cal
The time units of Qcal
enter: [0] per second
[1] per minute
[2] per hour
[3] per day
U2 = h
cal
The head at which Qcal occurs
enter: [value from specs.]
U3 = b Width of weir crest
enter: [value from specs.]
U4 = B Width of approach channel (usually equal to U3)
enter: [value from specs.]
U5 = p Height of weir crest above bed level
enter: [value from specs.]
U6 = L Length of crest in direction of flow
enter: [value from specs.]
VALUES CALCULATED BY OCM II
U7 = m Side slope (0 for RNHC weir)
U8 = Cv Velocity coefficient at current head
U9 = Cs Shape coefficient (1 for RNHC weir)
U10= Cd Discharge coefficient at current head
U11= A Area of approach channel
U12= Cv
cal
Velocity coefficient at h
cal
U13= Cd
cal
Discharge coefficient at h
cal
U14= Cs
cal
Shape coefficient (1 for RNHC weir)
U15= h The liquid head above weir crest
Flowrate is given by: Q = Q
cal
x Cv/Cv
cal
x Cd/Cd
cal
x Cs/Cs
cal
x (h/h
cal
)
1.5
PL-269 7 – 17