ノルマルヘプタンとアルケン類の複合燃料を用いたHCCI 燃焼に関する実験的研究

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  • Experimental study on HCCI combustion using composite fuel of n-heptane and alkenes

説明

In this study, in order to determine the effect of double bonds in fuel molecule on ignition and combustion of nheptane, HCCI combustion experiments were performed using n-heptane/air mixture in co-existence with three kind of alkenes with different carbon number of 2 – 4, ethylene, propylene and 1-butene. A single cylinder research engine with compression ratio of 14.7:1 was used for the experiments at a constant speed of 960 rpm. When these alkenes co-exist, the low temperature oxidation was delayed and the low temperature oxidation heat release was almost equally reduced compared with n-heptane alone, regardless of carbon number of alkenes. This is unlike in the case of alkane co-existence, in which the effect of the low temperature oxidation differs widely depending on the carbon number.

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