Research Article
An Inverse Transient Nonmetallic Pipeline Leakage Diagnosis Method Based on Markov Quantitative Judgment
Table 3
The third test of X5 node leakage parameters under different pressures.
| | Inlet pressure (MPa) | Flow difference (kg/s) | Node pressure (MPa) | Effective node leakage area (m2) | Real leakage area (m2) | Absolute error (m2) |
| | 0.3 | 0.0032 | 0.12 | 1.137 × 10−5 | 1.256 × 10−5 | 0.119 × 10−5 | | 0.2 | 0.0024 | 0.09 | 1.137 × 10−5 | 1.256 × 10−5 | 0.119 × 10−5 | | 0.1 | 0.0012 | 0.04 | 1.279 × 10−5 | 1.256 × 10−5 | 0.023 × 10−5 |
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