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김영민(Y. M. Kim),신동길(D. K. Shin),이장희(J. H. Lee) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
Stirling engine is a heat engine with a high potential efficiency, multi-fuel capability, its low<br/> emission, quiet operation, very low maintenance requirement and long life. The Stirling cycle can<br/> ideally achieve optimum thermodynamic efficiency of the Carnot cycle. But the actual efficiency of<br/> practical reciprocating Stirling engine is much less than that of ideal Stirling cycle due to several<br/> mechanical limits. This paper presents a new-type Stirling engine employing the scroll mechanism<br/> superior to the reciprocating Stirling engine. The new-type Stirling engine is characterized as traits of<br/> continuous and wholly seperated compression and expansion, one-way flow, direct cooling and heating<br/> through the extensive surfaces of scroll wraps. By means of this traits, the new-type Stirling engine<br/> can achieve thermodynamic cycle closer to the ideal Stirling cycle and have many mechanical merits.<br/> Also, the new-type Stirling cycle can be applied as Stirling refrigerator and Duplex Stirling machine.