Nomenclature
|
Cv |
Concentration of Solids in Mixture, by Volume (percent) |
|
Cw |
Concentration of Solids in Mixture, by Weights (percent) |
|
D |
Inside diameter of pipe (m) |
|
d50 |
Average particle size of solids in a given dry sample. This size is equal to the screen aperture which would retain exactly 50% by weight of the total sample (mm) |
|
ER |
Efficiency Ratio |
|
f |
Darcy Friction Factor (dimensionless) |
|
FL |
Limiting Settling Velocity Factor (dimensionless) |
|
g |
Gravitational Constant |
|
Hm |
Total Dynamic Head Developed by Pump (m) |
|
HR |
Head Ratio |
|
Hatm |
Atmospheric Pressure Head at Pump Location (m) |
|
Hf |
Friction Head Loss (m) |
|
L |
Total Equivalent Length of Pipe |
|
M |
Mass flow rate of dry solids (t/h) |
|
n |
Pump Rotational Speed (r/min or RPM) |
|
NPSHa |
Net Positive Suction Head available at Pump (m) |
|
NPSHr |
Net Positive Suction Head required at Pump (m) |
|
Hvap |
Absolute Vapour Pressure Head of Suspending Liquid at Pumping Temperature (m) |
|
P |
Power Consumed at Pump Shaft (kw) |
|
Q |
Mixture Flow Rate (l/s, m3/h) |
|
S |
Specific Gravity of Dry Solids |
|
SG |
Specific Gravity |
|
Sm |
Specific Gravity of Mixture |
|
V |
Average Velocity of Mixture in a Pipe (m/s) |
|
VL |
Limiting Settling Velocity of Mixture (m/s) |
|
Z |
Net Static Head |
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Contact Person：Michael
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