Ex: A natural gas pipeline corrist of three deferent pipe segments connected in series, pumpinp the same uniform flow rate of

3M(m^(3))/()

day at

20\\\\deg C

. The fint segment, DN 500 with

12mm

wall thickness, is

20km

long. The second segment is DN 400 ,

10mm

wall thickness and licm long. The last segmest is DN 300,

6mm

wall thickess and

^(25)1km

long. The inlet prosure is

8500kPa

. Assuning flat terrain, calulate delivery pressure, using General flow equation and Colebrook friction factor of 0.02 . The gas gravirty is 0,65 and viscosity

=0.000119

.\ The compr factor

Z=0,9

. The base temp,

/bar (Tb)=15\\\\deg C

and\ b) The base prossure

P_(b)=101kR

.\ Compare results using equivalent length method as well as The method using individual pipe segment pressure drops.

Ex: A natural gas pipeline comsist of three dyferent pipe segments connected in series, pumpinp the same uniform flow rate of 3Mm3/ day at 20C. The firt segment, DN 500 with 12mm wall thickness, is 20km long. The second segment is DN 400 , 10mm wall thickness and km long. The last segmest is DN 300, 6mm wall thickess and 25km long. The inlet premure is 8500kPa. Assuming flat terrain of, calulate delivery pressure, using General flow equation and Colebrook friction factor of 0,02 . The gas grawity is 0.65 and viscosity =0.000119. The comp. factor z=0,9. The base temp, 1b=15C a nol b) The base prosure Pb=101kR. Compare results using equivalent length method as well as The method using individual pipe segment pressure drops