Research Article
Small Engines as Bottoming Cycle Steam Expanders for Internal Combustion Engines
| Engine | Four stroke reciprocating engine | Wankel rotary engine |
| Model | OS 32 SX | OS 49 PI | Bore (mm) | 19.5 | N/A | Stroke (mm) | 17.5 | N/A | Capacity (cc) | 5.23 | 4.97 | Compression ratio | 10 : 1 | 7 : 1 (approx.) |
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