Effects of Injection Pressure and Ambient Gas Density on Fuel - Ambient Gas Mixing and Combustion Characteristics of D.I. Diesel Spray

2011 ◽  
Author(s):  
Jingyu Zhu ◽  
Olawole Abiola Kuti ◽  
Keiya Nishida
Keyword(s):  
Injection Pressure ◽  
Combustion Characteristics ◽  
Diesel Spray ◽  
Gas Mixing ◽  
Gas Density ◽  
Ambient Gas

STUDY ON MIXING PROCESS OF DIESEL SPRAY UNDER HIGH AMBIENT GAS DENSITY CONDITION

2013 ◽  
Vol 23 (5) ◽  
pp. 443-461 ◽  
Author(s):  
Yoshio Zama ◽  
Wataru Ochiai ◽  
Kazuma Sugawara ◽  
Tomohiko Furuhata ◽  
Masataka Arai
Keyword(s):  
Diesel Spray ◽  
Mixing Process ◽  
Density Condition ◽  
Gas Density ◽  
Ambient Gas

Effects of injection pressure on ignition and combustion characteristics of impinging diesel spray

2018 ◽  
Vol 226 ◽  
pp. 1163-1168 ◽  
Author(s):  
Wei Du ◽  
Qiankun Zhang ◽  
Zheng Zhang ◽  
Juejue Lou ◽  
Wenhua Bao
Keyword(s):  
Injection Pressure ◽  
Combustion Characteristics ◽  
Diesel Spray ◽  
Ignition And Combustion

Analysis of Mixture Formation and Flame Development of Diesel Combustion Using a Rapid Compression Machine and Optical Visualization Technique

2013 ◽  
Vol 315 ◽  
pp. 293-298 ◽  
Author(s):  
Amir Khalid ◽  
Bukhari Manshoor
Keyword(s):  
Fuel Injection ◽  
Injection Pressure ◽  
Exhaust Emissions ◽  
Combustion Characteristics ◽  
Diesel Combustion ◽  
Rapid Compression Machine ◽  
Mixture Formation ◽  
Optical Visualization ◽  
Flame Development ◽  
Rapid Compression

Mixture formation plays as a key element on burning process that strongly affects the exhaust emissions such as nitrogen oxide (NOx) and Particulate Matter (PM). The reductions of emissions can be achieved with improvement throughout the mixing of fuel and air behavior. Measurements were made in an optically-accessible rapid compression machine (RCM) with intended to simulate the actual diesel combustion related phenomena. The diesel combustion was simulated with the RCM which is equipped with the Denso single-shot common-rail fuel injection system, capable of a maximum injection pressure up to 160MPa. Diesel engine compression process could be reproduced within the wide range of ambient temperature, ambient density, swirl velocity, equivalence ratio and fuel injection pressure. The mixture formation and combustion images were captured by the high speed camera. Analysis of combustion characteristics and observations of optical visualization of images reveal that the mixture formation exhibit influences to the ignition process and flame development. Therefore, the examination of the first stage of mixture formation is very important consideration due to the fuel-air premixing process linked with the combustion characteristics. Furthermore, the observation of a systematic control of mixture formation with experimental apparatus enables us to achieve considerable improvements of combustion process and would present the information for fundamental understanding in terms of reduced fuel consumption and exhaust emissions.

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