temperature t =5о
density of water ρ=999,99 kg/m3
kinematic viscosity of water ν=0,0152 cm2
Hydraulic calculation of pipelinePipe diameters are determined by the recommended a calculated rate of water movement in them. The calculated velocity is adopted in accordance with the Table
diameters, mm||Recommended the calculated velocity of
water in the pipes, m/s|
|in the suction
line||in the discharge
Calculated pipe diameter suction line. The average velocity of the fluid
Estimate the diameter of the pipe, the pressure line
/s– pump performance (specified flow rate);
Rated power at the pump shaft
/0,7= 45,39 kW,
where g =9,81m/s2
— acceleration of gravity;
H = 53 m – pump design head;
η - pump efficiency.
Estimated nominal motor power
- Coupling efficiency;
- motor efficiency.
Rated power of the motor mounting
= 1,2•51,39 = 61,67 kW,
where β=1,2 - power factor of safety for the pressure line pipe diameter 0,2 m.
Victor Priymak Chief technical designеr.