The Experimental Study of Atmospheric Stirling Engines Using Pin-Fin Arrays' Heat Exchangers

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概要

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• This paper reports experimental results on two kinds of atmospheric Stirling engines that were designed and manufactured using a pin-fin array heat exchanger for the heater and cooler (abbreviated to "pin-fin Stirling engine" hereafter). The first one is a large β type pin-fin Stirling engine with a 1.7-liter displacement volume and power piston volume. The heater consists of an aluminum circular disk with a diameter of 270mm and with large-scale pin-fin arrays carved into the surface. The maximum output reached 91W at a temperature difference of 330K, which is 36% of the scheduled value and 68% of the Kolin's cubic power law. The maximum thermal efficiency was estimated 4.2%. The second engine is an α type pin-fin Stirling engine. Glass syringes were used for the piston-cylinder system and the Ross-yoke mechanism was used for the crank mechanism. By changing temperature difference, the characteristic of output torque in the large range was measured with a precision torque detector.

• 一般社団法人 日本機械学会の論文

著者

• ISSHIKI Naotsugu

  Tokyo Institute of Technology

• Fujii Iwane

  Meiji University

• SATO Hidekazu

  Graduate School of Symbiotic Systems Science and Technology, Fukushima University

• ISSHIKI Seita

  Fukushima National College of Technology

• KONNO Shoji

  Alps Electric Co., ltd.

• SHIRAISHI Hiroaki

  Alps Electric Co., ltd.

• MIZUI Hiroyuki

  Advanced Course in Mechanical and Electrical System Engineering, Fukushima National College of Technology

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