Milltronics OCM II PL-269, Instruction Manual

Page: 51 / 107

P2= 4 BS-3680 RECTANGULAR-PROFILE WEIR
U0 = Q
cal
The flowrate at full head
enter: [value from specs.]
U1 = t
cal
The time units of Q
cal
enter: [0] per second
[1] per minute
[2] per hour
[3] per day
U2 = h
cal
The head at which Q
cal
occurs
enter: [value from specs.]
U3 = p Height of weir above bottom of approach channel
enter: [value from specs.]
U4 = L Width of the weir in the direction of flow
enter: [value from specs.]
VALUES CALCULATED BY OCM II
U5 = C Coefficient of discharge at current head
U6 = Cp Correction factor for C (varies with h/p)
U7 = C
cal
Coefficient of discharge at h
cal
U8 = Cp
cal
Correction factor for C at h
cal
Flowrate is given by: Q = Q
cal
x C/C
cal
x Cp/Cp
cal
x (h/h
cal
)
1.5
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