The results of the investigation show that under a relatively low heat source temperature the thermal and exergy efficiency of the system may attain in excess of 30%.
结果表明，在较低的热源温度下，系统的热效率和火用效率可以达到30 %以上；
Heat source device with plasma arc quenching is of great capacity for its high thermal efficiency and low cost.
等离子弧淬火热源装置热效率高，成本低，有巨大的发展潜力。
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