Spraying Liquid Using Pneumatic Nozzle for Suspension Fuel

Characteristics of gas-droplet flow created by spraying a liquid using an advanced pneumatic nozzle for suspension fuel were studied experimentally. The measurements were made using the shadow photography method. On the example of water, the disperse composition of the gas-droplet flow, jet expansio...

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Bibliographic Details
Published in:Journal of engineering thermophysics 2020-10, Vol.29 (4), p.542-548
Main Authors: Anufriev, I. S., Shadrin, E. Yu, Kopy’ev, E. P., Maltsev, L. I., Sadkin, I. S., Sharypov, O. V.
Format: Article
Language:English
Subjects:
Composition
Dispersion
Droplets
Flow stability
Fluid- and Aerodynamics
Fuels
Nozzles
Physics
Physics and Astronomy
Spraying
Structural stability
Thermodynamics
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Summary:Characteristics of gas-droplet flow created by spraying a liquid using an advanced pneumatic nozzle for suspension fuel were studied experimentally. The measurements were made using the shadow photography method. On the example of water, the disperse composition of the gas-droplet flow, jet expansion angle, and flow structure stability were determined for different regimes. It was shown that most droplets were less than 10  μ m in size. The disperse composition of the flow remained unchanged for a wide range of operating parameters. The nozzle designed generates droplets of a size sufficient for efficient combustion of suspension fuel under real conditions.
ISSN:1810-2328
1990-5432
DOI:10.1134/S1810232820040025