Abstract
Using the shadow photography method, the dispersed composition of a gas-droplet flow has been investigated at diesel fuel spraying by a superheated steam jet. The distributions of droplet sizes have been obtained in a wide range of parameters (steam and fuel consumption). Dependencies of droplets size on steam consumption have been found. The optimum values of steam and fuel consumption, at which the smallest prevailing droplet size (below 30 μm) is reached, have been found.
Highlights
Using the shadow photography method, the dispersed composition of a gas-droplet flow has been investigated at diesel fuel spraying by a superheated steam jet
Studies of the combustion of such liquid hydrocarbons, carried out by the authors earlier [1,2,3], have shown that the process of their ignition and combustion is greatly intensified when a superheated steam jet is fed into the combustion zone
Using the shadow photography method [5] the dispersed composition of the gas-droplet flow was investigated at diesel fuel spraying by a superheated steam jet
Summary
Using the shadow photography method, the dispersed composition of a gas-droplet flow has been investigated at diesel fuel spraying by a superheated steam jet. To improve the operation of devices with spraying nozzles, a detailed study of characteristics of the generated gas-droplet flow is required. Obtaining information on the velocity distribution and droplet sizes in the investigated jet stream allows justifying scientifically the selection of optimal regime parameters of the device.
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