Volume 18, Issue 7 (11-2018)                   Modares Mechanical Engineering 2018, 18(7): 260-266 | Back to browse issues page

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Khayyami M J, Shateri Najaf Abadi A, doustdar M. Evaluation the Effect of Using Two Fuel Nozzles on Droplet Diameter in Cross Flow. Modares Mechanical Engineering 2018; 18 (7) :260-266
URL: http://mme.modares.ac.ir/article-15-15494-en.html
1- Mechanical Engineering Dept., Shahrekord University, Shahrekord. Iran
2- Department of Mechanics, Faculty of Shahrekord University, Shahrekord
3- Mechanical Engineering Dept., Imam Hossain University, Tehran
Abstract:   (2815 Views)
The purpose of this study is to investigate the effect of the simultaneous use of fuel injection injectors in an air cross flow. Nowadays, several methods are proposed for optimizing fuel injection in internal combustion engines. These optimizations are due to the high impact of this variable on engine performance and reduction of emissions. The method proposed in this study is to use two fuel injectors instead of a single injector in the air inlet manifold. The uses of two injectors in order to impingement two fuel sprays and increase the turbulent and collision of droplets, and so break them up faster. Also, the use of two injectors can provide more control over spatial and temporal distribution. Simulations are performed numerically using the generalized Kiva code. These simulations are similar to the fuel injection conditions in the manifold of the spark ignition internal combustion engine. The results indicate that the placement of two injectors in a longitudinal distance, the installation of two injectors at a 70 ° angle with the duct, placing two injectors in 180° or 90° relative angles and a 15° conical angle reduces the average diameter of the droplets. The results of this study can be used to design an internal combustion engine fuel injection system.
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Article Type: Research Article | Subject: Aerospace Structures
Received: 2018/03/7 | Accepted: 2018/09/25 | Published: 2018/09/25

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