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Paper Information

Journal:   FUEL AND COMBUSTION   SPRING-SUMMER 2013 , Volume 6 , Number 1; Page(s) 33 To 48.
 
Paper: 

A NUMERICAL INVESTIGATION OF COMBUSTION AND INJECTION IN A DISI CNG ENGINE

 
 
Author(s):  YADOLLAHI B., BOROOMAND M.
 
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Abstract: 

In this study, a numerical model has been developed in AVL FIRE software to investigate combustion and injection inside the cylinder of a direct injection spark ignition CNG engine. In this regard two parts have been taken into consideration. In the first part of the study, gas injection via a single-hole injector into the cylinder with five different piston head geometries has been investigated. Using quantitative and qualitative representations of the results, the suitable combustion chamber geometry for DI application has been discussed. In the second part, combustion studies have been performed based on the selected geometry from the first part. Spark plug location and ignition timing have been investigated as two of the most important combustion variables. Five different configurations for the spark plug have been taken into consideration and the idea of using two spark plugs has been also tested, where it showed the best combustion characteristics. The spark timing has also been studied based on the selected configuration. The results show that ignition timing should be at 50 degrees before top dead center in order to have the best combustion characteristics.

 
Keyword(s): DIRECT INJECTION, CNG, SPARK IGNITION, COMBUSTION CHAMBER GEOMETRY, NUMERICAL MODELING
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

YADOLLAHI, B., & BOROOMAND, M. (2013). A NUMERICAL INVESTIGATION OF COMBUSTION AND INJECTION IN A DISI CNG ENGINE. FUEL AND COMBUSTION, 6(1), 33-48. https://www.sid.ir/en/journal/ViewPaper.aspx?id=489452



Vancouver: Copy

YADOLLAHI B., BOROOMAND M.. A NUMERICAL INVESTIGATION OF COMBUSTION AND INJECTION IN A DISI CNG ENGINE. FUEL AND COMBUSTION. 2013 [cited 2021November28];6(1):33-48. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=489452



IEEE: Copy

YADOLLAHI, B., BOROOMAND, M., 2013. A NUMERICAL INVESTIGATION OF COMBUSTION AND INJECTION IN A DISI CNG ENGINE. FUEL AND COMBUSTION, [online] 6(1), pp.33-48. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=489452.



 
 
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