Research Article

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

Table 3

Summary of numerical simulation of the two accidents.

The first accidentThe second accident

Number of compressor21
Total time of pigging process19.6 Hours36.7 Hours
Maximum of air pressure1.03 MPa
Maximum of outlet pressure30.50 MPa37.03 MPa
Bursting pressure20.83 MPa20.83 MPa