Water flow calculator (Imperial)

100.43

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Beschrijving

PIPES, DUCTS OR CIRCULAR SECTON
One side of the calculator solves the rational formula for water flow in pipes and ducts of circular section. The answers have been checked against a large number of well authenticated practical tests on actual pipelines from small metal tubes to long concrete tunnels up to 6 metres dia. and give accuracy appreciably better than the usual Hazen Williams formula.
Flow 0,1 l/s to 100 m3/s Diameter 16 to 6.300 mm

OPEN CHANNELS
The reverse side solves the Manning formula for the flow in open channels.
Flow 15 l/s to 1.500 m3/s
Channel Area 0,07 to 200 m2

MODEL
Imperial, Metric or U.S.

SIZE
7-5/8″ diameter

DESIGN
Two sided, 3 colour
Velocity scales have been added to both sides of the calculator.
Complete in case with full instructions

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