Research Article
An Inverse Transient Nonmetallic Pipeline Leakage Diagnosis Method Based on Markov Quantitative Judgment
Table 2
The second 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 | 0.0027 | 0.1 | 1.151 × 10−5 | 1.256 × 10−5 | 0.105 × 10−5 | | 0.2 | 0.0031 | 0.1 | 1.32 × 10−5 | 1.256 × 10−5 | 0.064 × 10−5 | | 0.1 | 0.0017 | 0.06 | 1.208 × 10−5 | 1.256 × 10−5 | 0.048 × 10−5 |
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