Research Article
Bond Graph Modeling and Validation of an Energy Regenerative System for Emulsion Pump Tests
Table 1
Simulation parameters.
| | Parameter | Value | Unit |
| | Motor rotation speed | 1470 | rev/min | | Pump displacement | 23.9 | mL/rev | | Hydraulic motor displacement | 42.0 | mL/rev | | Mechanical efficiency of pump and hydraulic motor | 0.95 | — | | Volumetric efficiency of pump and hydraulic motor | 0.91 | — | | Emulsion pump displacement | 73.1 | mL/rev | | Nominal input rotation speed of emulsion pump | 1470 | rev/min | | Internal reduction ratio | | — | | Crankshaft speed of emulsion pump | 547 | rev/min | | Mechanical efficiency of emulsion pump | 0.9 | — | | Volumetric efficiency of emulsion pump | 0.9 | — | | Cylinder piston area | 10725 | mm2 | | Cylinder stroke | 0.75 | m | | Back pressure | 1.4 | MPa | | Precharged gas pressure of accumulator | 10.5 | MPa | | Accumulator volume | 10 | L |
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