Research Article
Parametric Investigation of Combustion and Heat Transfer Characteristics of Oscillating Linear Engine Alternator
Table 2
Input and steady-state parameters for fundamental case linear engine.
| Cylinder bore | 31.02 mm |
| Maximum cylinder stroke | 24.97 mm |
| Engine displacement volume | 18.87 cc |
| Equivalence ratio | 1.02 |
| Exhaust port location from head | 15.5 mm |
| Translator frequency | 88.25 Hz |
| LHV of natural gas | 49.5 MJ/kg |
| Intake temperature | 300 K |
| Intake pressure | 100 kPa |
| Alternator efficiency | 95 % |
| Combustion efficiency | 95 % |
| Max in-cylinder pressure | 77.4 bar |
| Max in-cylinder temperature | 2368 K |
| Compression ratio | 15 |
| Translator mass | 1.2 kg |
| Wall temperature | 450 K |
| Spring stiffness | 30180 N/m |
| Number of springs | 6 |
| System efficiency | 16.48 % |
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