Research Article
An Inverse Transient Nonmetallic Pipeline Leakage Diagnosis Method Based on Markov Quantitative Judgment
Table 1
The first 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 | 0.0033 | 0.14 | 1.01 × 10−5 | 1.256 × 10−5 | 0.246 × 10−5 | 0.2 | 0.0029 | 0.11 | 1.124 × 10−5 | 1.256 × 10−5 | 0.132 × 10−5 | 0.1 | 0.0012 | 0.04 | 1.279 × 10−5 | 1.256 × 10−5 | 0.023 × 10−5 |
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