[Home ] [Archive]   [ فارسی ]  
:: Homepage About Journal Papers Archive Search Register Send Article Contact us ::
:: Volume 59, Issue 59 (8-2020) ::
Vol.59 No. 59 pp. 3-15 Back to browse issues page
An Experimental formulation for PFI injector penetration length versus time and pressure using high speed spray imaging results
Abstract:   (785 Views)
Recently, there have been problems with particulate matter pollution in diesel engines and it has reduced production rate of these engines and also, it has accelerated the development of new technologies for PFI and GDI gasoline engines. The spray characteristics has significant impact on the combustion efficiency, power and emissions on internal combustion engines. In This study, effect of injection pressure on the fuel spray penetration, spray cone angle and separation angle has been investigated for EF7 bi fuel engine and an experimental formulation for spray penetration was introduced. The method of Schlieren Imaging method was used to obtain the geometric characteristics of the fuel spray. The images were processed in MATLAB software and the penetration, cone angle and spray separation angle as geometrical properties were calculated. The Otsu method was used to obtain an appropriate edge threshold of image. Investigation of the injection pressure effect on the penetration concluded an experimental formulation for penetration versus time and injection pressure. This equation was linear according to time and square root of injection pressure with maximum error of 8.4%. The penetration of the two fuel sprays (for both injectors tested) had a little difference at the similar pressures and injection times. It was concluded also the cone angle and spray separation angle increased with increasing injection pressure.
Keywords: PFI injector, Schlieren Imaging, Image Processing, Tip Penetration
Full-Text [PDF 1584 kb]   (127 Downloads)    
Type of Study: Research Study | Subject: Fuel and Combustion in Internal Combustion Engines
Add your comments about this article
Your username or Email:

CAPTCHA


XML   Persian Abstract   Print


Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

An Experimental formulation for PFI injector penetration length versus time and pressure using high speed spray imaging results. JER. 2020; 59 (59) :3-15
URL: http://engineresearch.ir/article-1-713-en.html


Volume 59, Issue 59 (8-2020) Back to browse issues page
فصلنامه تحقیقات موتور The Journal of Engine Research
Persian site map - English site map - Created in 0.04 seconds with 29 queries by YEKTAWEB 4269