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雾化与喷雾
影响因子: 1.262 5年影响因子: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.v2.i4.10
pages 367-383

PHASE-SHIFT DOPPLER ANEMOMETER MEASUREMENTS OF DIESEL SPRAY BEHAVIOR IN OPEN COMBUSTION CHAMBERS

M. M. Elkotb
Mechanical Power Department, Faculty of Engineering, Cairo University, Giza, Egypt
O. M. F. Elbahar
Mechanical Power Department, Faculty of Engineering, Cairo University, Giza, Egypt
T. I. Sabry
Mechanical Power Department, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
S. A. Wilson
Crop Protection Research & Development, Dow AgroSciences LLC, 9330 Zionsville Road, Indianapolis, Indiana 46268, USA; and Mechanical Power Department, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt

ABSTRACT

Local measurements of particle size distribution and droplet velocity were conducted inside diesel sprays injected into an open combustion chamber. The measurements were conducted using a phase-shift Doppler anemometer having a dynamic size range of 30. The intermittency of the injection process in diesel engines was taken into account. The results obtained indicate that the radial distributions of droplet size and velocity at a given axial distance from the injection nozzle are not uniform. Furthermore, swirl has a profound effect on the local values of droplet size and velocity distributions.


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