二サイクル機関の排出ガス分離とその有効利用

概要

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This paper deals with a successful attempt to employ the exhaust gas of a two-stroke cycle gasoline engine as an energy source to heat a Stirling engine. A rotary valve was fitted to the side of the exhaust port of the engine, and the exhaust pipe was divided into upper-, middle-, and lower-section areas. By means of this contrivance, the exhaust could be separated into a high concentra-tion of combustion gas and a high concentration of fresh gas. The former high-temperature gas was then successfully used to heat a Stirling engine. The investigation revealed the conditions for the efficient separation of the exhaust gas, the enthalpy flow of a two-stroke gasoline engine, the effective transference of the energy still available in the exhaust gas, and the performance efficiency of a Stirling engine when operated from the heat of exhaust gas. The investigative analysis shows a method of successfully transferring the energy available in exhaust gas for the operation of a Stirling engine and of thereby obtaining an over-all higher degree of energy efficiency.
一般社団法人日本機械学会の論文
1990-06-25