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Global Water
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XVII.
Flow Calculation Setup:
The Flow Calculation menu is where the flow parameters are set. The five modes
supported here are No Flow Calculation, Manning's Equation, Flume, Weir and
Table File. When a mode is selected by clicking the button associated with it, only
those data fields required for that mode will be displayed, the others will be dimmed.
No Flow Calculation: In this mode, no flow calculations are done. The main screen
will show level, temperature and battery voltage only; as will the downloaded
historical record.
Manning's Equation Mode:
The Manning's Equation predicts flow and velocity in gravity fed open channels but
in this software, is limited to partially full round pipes. Since velocity is a product of
this equation, it allows for an easy way to check the calculated data by measuring
water velocity with a probe. Flow and velocity are shown on the main screen as
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