publication . Article . 2017

The spray characteristic of gas-liquid coaxial swirl injector by experiment

Chen Chen; Chen Chen; Yang Yang; Gao Hongli; Yang Shunhua; Yan Zhihui; Zhang Lei;
Open Access
  • Published: 01 Jan 2017 Journal: MATEC Web of Conferences, volume 108, page 4,007 (eissn: 2261-236X, Copyright policy)
  • Publisher: EDP Sciences
Abstract
Using the laser phase Doppler particle analyzer (PDPA), the spray characteristics of gas-liquid coaxial swirl injector were studied. The Sauter mean diameter (SMD), axial velocity and size data rate were measured under different gas injecting pressure drop and liquid injecting pressure drop. Comparing to a single liquid injection, SMD with gas presence is obviously improved. So the gas presence has a significant effect on the atomization of the swirl injector. What’s more, the atomization effect of gas-liquid is enhanced with the increasing of the gas pressure drop. Under the constant gas pressure drop, the injector has an optimal liquid pressure drop under whic...
Subjects
arXiv: Physics::Fluid DynamicsAstrophysics::Galaxy Astrophysics
free text keywords: Engineering (General). Civil engineering (General), TA1-2040, Coaxial, Mechanics, Injector, law.invention, law, Laser, Chemical engineering, Pressure drop, Spectrum analyzer, Spray characteristics, Particle, Sauter mean diameter
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