Research Article
Numerical Monitoring of Natural Gas Distribution Discrepancy Using CFD Simulator
Table 12
Final deviations between numerical estimates of gas flow parameters and the results of their measurements.
| Object | Parameter | Dimension of value | Initial mode | Resulting mode | Relative deviation,
| Absolute deviation |
| CGP 1 | Pressure | | 1147720.899 | 1147759.439 | 0.003358 | 38.540622 | CGP 2 | Pressure | | 1147720.903 | 1147877.809 | 0.013671 | 156.906444 | CGP 3 | Pressure | | 1147720.902 | 1147830.983 | 0.009591 | 110.080606 | CGP 4 | Pressure | | 1147720.906 | 1147877.812 | 0.013671 | 156.906295 | CGP 5 | Pressure | | 1147721.174 | 1147771.6 | 0.004394 | 50.425668 | CGP 6 | Pressure | | 1147721.173 | 1147871.127 | 0.013065 | 149.953759 | GDS 1 | Flow rate | | 78.819448 | 77.927585 | 1.131526 | 0.891863 | GDS 2 | Flow rate | | 78.819448 | 77.637163 | 1.499991 | 1.182285 | GDS 3 | Flow rate | | 78.819448 | 77.637168 | 1.499985 | 1.182280 | Valve 2 | Pressure | | 1157667.282 | 1157510.376 | 0.013554 | 156.906437 | Valve 5 | Pressure | | 1157667.279 | 1157510.373 | 0.013554 | 156.906265 | Valve 8 | Pressure | | 1157667.552 | 1157512.29 | 0.013412 | 155.261578 |
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