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An Experimental Study on Supersonic Jet Issuing from Gas Atomizing Nozzle (I)
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 Title & Authors
An Experimental Study on Supersonic Jet Issuing from Gas Atomizing Nozzle (I)
Kim, Hui-Dong; Lee, Jong-Su;
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 Abstract
Supersonic axisymmetric jets issuing from various kinds of nozzles with a throat diameter of a few millimeters were experimentally investigated. The exit Mach number and Reynolds number based on the throat diameter of nozzle were in the range of 1.0 ~ 5.9 and 8.4 ~ 2.9, respectively. The nozzle pressure ratio was varied from 5 to 85. Present paper aims to offer fundamental information of the supersonic free-jets, with an emphasis to give data with which the shape of the free-jets can be depicted under a specified condition. Experimental data are summarized to enable an estimation of the shape of the supersonic free-jets. The result shows that the shape of free-jets is dependent on only the nozzle pressure ratio.
 Keywords
Compressible Flow;Correct Expansion;Expansion Wave;Gas Atomization;Mach Disk;Shock Wave;Supersonic Nozzle;Supersonic Jet;
 Language
Korean
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