A contribution to the understanding of isothermal diesel spray dynamics

被引：63

作者：

Desantes, J. M. ^{[1
]}

Payri, R. ^{[1
]}

Garcia, J. M. ^{[1
]}

Salvador, F. J. ^{[1
]}

机构：

[1] Univ Politecn Valencia, CMT Motores Term, E-46022 Valencia, Spain

来源：

FUEL | 2007年 / 86卷 / 7-8期

关键词：

diesel spray; Schmidt number; spray momentum;

D O I：

10.1016/j.fuel.2006.10.011

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A research on diesel spray dynamic injected into stagnant ambient air in a chamber is reported in this paper. As a result of a theoretical reasoning based on momentum flux conservation in the axial direction of the diesel spray, a mathematical model which relates the momentum flux with profiles of velocity and concentration is obtained. The main contribution of the present investigation, which makes it different from previous work in the literature, is the consideration of local density variations and the deduction of the model for a generic Schmidt number. A PDPA system and additional measurements of spray momentum, mass flow rate and spray cone angle were used in order to validate the model in high density environment and real injection pressure conditions. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1093 / 1101

页数：9

共 37 条

[11]

DESANTES JM, 2005, 2005010913 SAE

[12]

DESANTES JM, 1997, 970797 SAE

[13] Scaling laws for free turbulent gas jets and diesel-like sprays [J].

Desantes, Jose M. ;

Arregle, Jean ;

Lopez, J. Javier ;

Cronhjort, Andreas .

ATOMIZATION AND SPRAYS, 2006, 16 (04) :443-473

[14]

HAY N, 1972, 720776 SAE

[15]

Hinze J. O, 1975, TURBULENCE

[16]

Hiroyasu H., 1990, 900475 SAE

[17] CHARACTERISTICS OF INTERMITTENT FUEL SPRAYS [J].

JAWAD, B ;

GULARI, E ;

HENEIN, NA .

COMBUSTION AND FLAME, 1992, 88 (3-4) :384-396

[18]

Lefebvre A., 1989, ATOMISATION SPRAYS

[19]

PASTOR JV, 2000, 2000010287 SAE

[20] The influence of cavitation on the internal flow and the spray characteristics in diesel injection nozzles [J].

Payri, F ;

Bermúdez, V ;

Payri, R ;

Salvador, FJ .

FUEL, 2004, 83 (4-5) :419-431

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