ピンフィン群熱交換器を用いる大気圧スターリングエンジンの研究

概要

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It has been clarified theoretically by the author that the Stirling engine with pin-fin arrays' heat exchanger for heater and cooler (abbreviating as pin-fin Stirling engine from the following sentences) can be manufactured with lower cost and achieves same performance with the conventional Stirling engine. The experimental results of small size β and γ type pin-fin Stirling engines, designed and manufactured in the 2003-2004 academic year, are presented in the first half of this paper. As it was cleared that the output power of these engines were smaller than expected value because of friction and much gas leakage of piston rings, a pair of cylinder and piston which fits mechanically very well has been utilized since then. The experimental results of a large size β type pin-fin Stirling engine of which swept volume is 1.7 litters, and an α type pin-fin Stirling engine which uses glass syringe, designed and manufactured in the 2005-2006 academic year, are presented in the second half of this paper. It is concluded that the pin-fin Stirling engine's experimental performance shows reasonable level comparative with the conventional Stirling engine.
福島工業高等専門学校の論文