発動機燃焼に対する水噴射の影響 : 第3報吸入管への注入

概要

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Liquid water was injected into an intake pipe of a single cylinder engine through a selfcontrolling nozzle. In this procedure ; the proper amount of the additional water increased the output of the engine. This increase is greater than that of the inlet-air. This fact should be explained by isolation of the latent energy, such as vibrational one, in the molecules of the burned gas. With an addition of water, the knocking combustion was suppressed exceedingly and the combustion velosity was increased. The pressure characteristics of the knocking combustion was also investigated by oscillograph of the electromagnetic type. It was found that, in the knocking combustion, the so-called 'end gas'in the cylinder had been ignited spontaneously before the arrival of the flame front. This result affords the experimental basis with respect to the mechanism of the knocking combustion.
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