2319 高電圧放電を利用した拡散燃焼に関する研究(S27-2 エンジンの点火・燃焼の新展開(2),21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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A new combustion method which is using the characteristic of plasma jet ignition is proposed. This new combustion method has feature of diffusive combustion, however the fuel is injected and ignited by the high-voltage electrical discharge. When the cavity of plasma jet igniter is filled with liquid fuel, the fuel plasma jet spreads into combustion chamber and is mixed with air in combustion chamber, and then the diffusive combustion occurs. Tests are carried out with four kinds of fuel by using a constant volume vessel. All kinds of fuel are surely injected by the electrical discharge and are certainly ignited and burned by this combustion method. The diffusion flame development process is influenced by fuel properties. Iso-octane is surly ignited, however, diffusion flame does not grow enough. When the small orifice is used, the diffusion flame rapidly spreads, however, the combustion pressure increases as the orifice diameter increases.
社団法人日本機械学会の論文
2008-08-02