Spray Structure and Characteristics of High-Pressure Gasoline Injectors for Direct-Injection Engine Applications

Lee, Chang Sik; Chon, Mun Soo; Kim, Dae Sik

doi:10.1615/atomizspr.v11.i1.30

Cited by 21 publications

(7 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, the evaporation does not begin as soon as the fuel injection started; it starts after a while (after approximately 1000 images taken). Therefore, a number of 3000 images is impossible to be selected for that temperatures so that a number of 1000 was picked to 40 and 50 • C and 700 for 60 • C. This choice should not affect the accuracy of results since a number of 2000 particles is recommend to have convergent statistics [10]. Tables 6 and 7 show the same results for gasoline fuel.…”

Section: Variation Of Smd With Fuel Temperaturementioning

confidence: 99%

See 1 more Smart Citation

Influence of fuel temperature on atomization parameters in a pressure-swirl atomizer from a port fuel injector by Shadowgraphy technique

Fajgenbaum

Santos

2015

J Braz. Soc. Mech. Sci. Eng.

View full text Add to dashboard Cite

Section: Variation Of Smd With Fuel Temperaturementioning

confidence: 99%

“…Lee et al [10], used gasoline in their experiments and concluded that SMD decreases with the injection pressure and axial distance from nozzle tip increase. Zhang et al [21] who also varied injection pressure, yet using iso-octane as working fluid, found out the same qualitative results.…”

Section: Introductionmentioning

confidence: 99%

Influence of fuel temperature on atomization parameters in a pressure-swirl atomizer from a port fuel injector by Shadowgraphy technique

Fajgenbaum

Santos

2015

J Braz. Soc. Mech. Sci. Eng.

View full text Add to dashboard Cite

“…high-pressure GDI is considered to be very useful for atomization of premixed fuel compared with a low-pressure port fuel injector (Lee et al, 2001).…”

Section: Combustion and Emission Of Partial Hcci Enginementioning

confidence: 99%

Combustion and Emission Characteristics of Partial Homogeneous Charge Compression Ignition Engine

Kim

Lee

2004

Combustion Science and Technology

Self Cite

View full text Add to dashboard Cite

To investigate the effect of premixed fuel on the combustion and exhaust emission characteristics in a partial homogeneous charge compression ignition (HCCI) engine, an experimental study was performed. The premixed fuels are supplied by the additional fuel injection system in the intake manifold of a direct-injection diesel engine and the injection nozzle for directly injected fuel is equipped in the center of the combustion chamber. The results show that, in the case of gasoline as a premixed fuel, single-stage ignition is found, but premixing the diesel fuel is accompanied by a cool flame prior to the combustion of the directly injected diesel fuel. NO x emissions in the partial HCCI engine with premixed gasoline fuel decrease linearly with increase in premixed ratio. But, for diesel premixed fuel, NO x emission increases at high intake temperature and high premixed ratio conditions.

show abstract

“…Lee et al reported similar observations in their study. 33 In any one of the graphs in Figure 12, consider any two droplets, with one leading the other. We consider that the trailing droplet has slightly larger size.…”

Section: Discussion and Summarymentioning

confidence: 99%

Microscopic spray characteristics of ethanol and methanol blended gasoline in a direct injection spark ignition engine

Sharma

Ágarwal

2021

International Journal of Engine Research

View full text Add to dashboard Cite

Renewable fuels are continuously being refined/ upgraded for automotive applications to reduce dependence on conventional fossil fuels. However, optimized use of these renewable fuels in existing and new engines/ vehicles requires comprehensive characterization and understanding of spray atomization and fuel-air mixture formation processes. Spray atomization and mixture formation depends on fuel injection pressure (FIP), fuel injection quantity and ambient conditions. This study is aimed at exploring microscopic spray characteristics of ethanol and methanol blended gasoline for automotive applications, particularly in direct injection Spark Ignition (DISI) engines. Phase Doppler interferometer (PDI) technique was used for comparative microscopic spray characterization in a constant volume spray chamber (CVSC) at ambient pressure condition, to evaluated spray droplet size-velocity distributions and joint probability density function (JPDF) of different test fuels. In this study, two gasohol mixtures [15% v/v ethanol and methanol blended with 85% v/v gasoline] and baseline gasoline were experimentally evaluated for comparing spray droplet size-velocity distributions at two different FIPs of 80 and 160 bars, at two different fuel injection quantities of 12 and 28 mg/injection, which are typical representative conditions for a DISI engines. The results from this experimental investigation are valuable for automotive and fuel industries, and spray community, which are continuously upgrading renewable and oxygenated fuels and engine technologies for efficiency improvement and emission reduction.

show abstract

Spray Structure and Characteristics of High-Pressure Gasoline Injectors for Direct-Injection Engine Applications

Cited by 21 publications

References 0 publications

Influence of fuel temperature on atomization parameters in a pressure-swirl atomizer from a port fuel injector by Shadowgraphy technique

Influence of fuel temperature on atomization parameters in a pressure-swirl atomizer from a port fuel injector by Shadowgraphy technique

Combustion and Emission Characteristics of Partial Homogeneous Charge Compression Ignition Engine

Microscopic spray characteristics of ethanol and methanol blended gasoline in a direct injection spark ignition engine

Contact Info

Product

Resources

About