Research Article
Preliminary Test of Gas Wave Ejector in Coalbed Methane Well Site and Impact Analysis of Fluid Medium Characteristics on Its Pressure Port Design
Table 1
Parameters of components used in the gas wave ejector experimental system.
| Instrumentation | Measuring/controlling range | Measurement accuracy |
| Integrated flow meter | -50~200°C | ±0.5% | 0~6/10 MPa | ±0.5% | 0~2500 Nm3/h | ±0.5% |
| Frequency convertor | 7.5 kW/0~50 Hz | 0.01 Hz |
| Driving motor | 5.5 kW/0~50 Hz | / |
| Pressure indicator | 0~6/10 MPa | ±1.6% |
|
|