Consider that the clarifier linear flow through velocity is set at 0.02m/s to prevent scouring.Estimate the specific gravity of the particle using the following information
diameter of particle = 200 m (micro meter)
darcy weisbach friction factor = 0.03
velocity = 0.02m/s
g = 9.81m/s^-2
density of water = 1000 kg/m^-3
please check whether the value is given in micro meter or mini meter, if it is mini meter then please
replace with 10-6.
v = 0.02 m/s
g = 9.81 m/s2
and viscostiy of water = = 1.31 × 10−6 m2/ s.
we know the specific gravity is calulated by the following formula,
But here velocity is reached the point and become critical velocity. critical velocity is given by:
where S is the specific gravity of the particle. hence solve for S by squarring both sides.
S - 1 = 1.2742 x 10-5
S = 1.00001274
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