The relation between optimal efficiency and power output of an endor-eversible cycle with a finite high-temperature heat reservoir and an infinite low-temperature heat reservoir, and with irreversibility being the only heat conduction is derived.

• 本文导出工作在有限高温热源和无限低温热源间；仅受传热不可逆影响的内可逆循环的最佳效率与输出功率间的关系.