Hydraulic Transients Induced by Pigging Operation in Pipeline with a Long Slope

Table 4

Summary of the field trial and numerical simulation.

	The field trial	Numerical simulation
Number of compressor	1	1
Total time of pigging process	36 Hours	35.5 Hours
Value of the impulse pressure	1.576 MPa	1.51 MPa
Bursting pressure	20.83 MPa	20.83 MPa