1738 ノズル噴孔の上流を流れる模擬燃料液体に高蒸気圧液体を注入した場合の微粒化特性

概要

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An experimental study was conducted to examine the performance of a plain-orifice, internal mixing atomizer that was designed to produce atomization by cavitation in the orifice. The modified liquid fuel employed was water and the cavitating liquid was ethanol, which was injected into the water at the upstream of the orifice from an internal nozzle. Changes in the flow rate of ethanol and the mixing length, which is the distance between the entrance of the orifice and the exit of the internal nozzle, have little effect on the breakup length of liquid column for the cross flow type internal nozzle. The breakup length and Sauter mean diameter (SMD) decrease with an increasing in the flow rate of ethanol for the axial flow type internal nozzle while using small amounts of ethanol. A decrease in SMD occurs with a decrease in the mixing length.
一般社団法人日本機械学会の論文
2002-09-20