Dear All,

I have a roject for Irrigation that need calculation of friction loss, I tried the freecall but not sure if its correct. The problem are for case 1 & 2

1. Diameter of the pipe : 20"

Material of pipe : PVC

Length of pipe : 1600 Metre Horizontal

Elevation : 5 Metre

Flow rate that i use : 300 Litre/second

Pressure at : 1,5 Bar

After that i used reducer and add another Pump for :

Diameter of the pipe : 16"

Material of pipe : PVC

Length of pipe : 1035 Metre Horizontal

Elevation : 1 Metre

Flow rate that i use : 150 Litre/second

Pressure at : 4 Bar

Can anyone help me count the friction loss pleaseeeeeeeee, i need urgently

2. Diameter of the pipe : 20"

Material of pipe : PVC

Length of pipe : 2100 Metre Horizontal

Elevation : 5 Metre

Flow rate that i use : 300 Litre/second

Pressure at : 1,5 Bar

After that i used reducer and add another Pump for :

Diameter of the pipe : 16"

Material of pipe : PVC

Length of pipe : 1740 Metre Horizontal

Elevation : 0 Metre

Flow rate that i use : 150 Litre/second

Pressure at : 4 Bar

Can anyone help me count the friction loss pleaseeeeeeeee, i need urgently

and how much losses at PVC Tee 20", PVC Elbow 20", Gate Valve cast iron 20".

Thank you very much... please... please.... somebody... helppppp