Optimal Energy Consumption Analysis of Natural Gas Pipeline

Table 2

Coefficients for the equation for the compressor performance curves.

Model	𝐻1	𝐻2	𝐻3	𝑒1	𝑒2	𝑆1	𝑆2	𝑆3	𝑆4
1	−0.000282	−0.000393	0.000090	−0.001170	0.000144	4620	0.396	8310	1.44
2	−0.001200	0.000167	0.000045	−0.001470	0.000332	3840	0.145	4910	0.533
3	−0.000403	−0.000348	0.000064	−0.001440	0.000140	5920	0.412	10700	1.47
4	−0.001200	0.000167	0.000045	−0.001470	0.000332	3840	0.145	4910	0.533
5	−0.000390	−0.001090	0.000334	−0.002180	0.000392	3080	0.145	5970	0.585
6	−0.000640	0.000012	0.000023	−0.000883	0.000141	5010	0.342	8520	1.26
7	−0.000183	−0.001100	0.000314	−0.001990	0.000362	3260	0.173	6270	0.79
8	−0.001190	0.000161	0.000042	−0.001450	0.000317	3610	0.149	4640	0.554
9	−0.000644	−0.000679	0.000252	−0.001790	0.000324	2970	0.165	5340	0.504
10	−0.001190	0.000161	0.000042	−0.001450	0.000317	3610	0.149	4640	0.554