Small Engines as Bottoming Cycle Steam Expanders for Internal Combustion Engines

Table 2

Performance comparison of the engines.

	Wankel engine	Reciprocating engine
Maximum power (air)	1400 W/kg	2800 W/kg
Maximum torque (air)	0.80 Nm	0.38 Nm
Maximum power (steam)	5550 W/kg	2600 W/kg
Maximum torque (steam)	11.65 Nm	0.45 Nm