NDLI: Measurement of droplet size distribution in core region of high-speed spray by micro-probe L2F

Content Provider	Springer Nature Link
Author	Sakaguchi, Daisaku Amida, Oluwo Ueki, Hirobu Ishida, Masahiro
Copyright Year	2008
Abstract	In order to investigate the distribution of droplet sizes in the core region of diesel fuel spray, instantaneous measurement of droplet sizes was conducted by an advanced laser 2-focus velocimeter (L2F). The micro-scale probe of the L2F is made up of two foci and the distance between them is 36 µm. The tested nozzle had a 0.2 mm diameter single-hole. The measurements of injection pressure, needle lift, and crank angle were synchronized with the measurement by the L2F at the position 10 mm downstream from the nozzle exit. It is clearly shown that the droplet near the spray axis is larger than that in the off-axis region under the needle full lift condition and that the spatial distribution of droplet sizes varies temporally. It is found that the probability density distribution of droplet sizes in the spray core region can be fitted to the Nukiyama-Tanasawa distribution in most injection periods.
Starting Page	90
Ending Page	96
Page Count	7
File Format	PDF
ISSN	10032169
Journal	Journal of Thermal Science
Volume Number	17
Issue Number	1
e-ISSN	1993033X
Language	English
Publisher	SP Science Press
Publisher Date	2008-03-06
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	droplet disintegration optical characterization laser 2-focus velocimeter Engineering Thermodynamics, Transport Phenomena Engineering Fluid Dynamics Mechanics, Fluids, Thermodynamics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics

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