An Experimental Study on the Burning Characteristics of Binary-Fuel and Water-in-oil Droplets
Date Issued
2010
Date
2010
Author(s)
Chen, Wen-Jin
Abstract
Experiment applies Ink-Jet Printing method to generate free droplets. The fuels we use are diesel, biodiesel, kerosene, boiler fuel oil, biomass oil, methanol and ethanol. The droplets will fall into the combustion chamber, then we could observe the characteristics of combustion, like ignition delay, micro-explosion, burning time, burning rate, flame shrinkage and d2-Law. In order to establish the basis of premix combustion, we first investigate the burning phenomenon of pure fuels, and then we mix different fuels to study the influence of physical property. In the end we emulsify the kerosene with water and methanol, to observe the stability of emulsion and burning characteristics, like micro-explosion.
From the experiment, we find that biodiesel mixed with ethanol causes the flame shrinkage, the micro-explosion is continuous when fuels mixed with boiler fuel oil. And the kerosene emulsified with water and methanol which reduce the quantity of soot.
Subjects
droplet
emulsion
microexplosion
ignition delay
burning rate
Type
thesis
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