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雾化与喷雾
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ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.v8.i4.60
pages 453-469

DIESEL SPRAY ATOMIZATION MODEL CONSIDERING NOZZLE EXIT TURBULENCE CONDITIONS

Kang Y. Huh
Mechanical Engineering Department, Pohang University of Science and Technology, Pohang, Korea
Eunju Lee
Department of Mechanical Engineering, Pohang University of Science & Technology, Pohang, Korea
Jaye Koo
School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang, Gyeonggi-do, 10540, Republic of Korea

ABSTRACT

An atomization model for plain-orifice diesel fuel sprays is developed. It considers both turbulent fluctuation in the jet flow and wave growth by gas inertia force due to the jet velocity. The atomization model developed is implemented as a module into the KIVA code in terms of the primary and secondary drop parcels. The computation results are in good agreement with the experimental data for the drop size distribution as well as the spray tip penetration and the spray shape.


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