Year 2020, Volume 4 , Issue 4, Pages 289 - 294 2020-12-31

Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction

Shiva KUMAR N [1]


In the current development of automotive engines, the major target is to design a combustion chamber in such a way that the combustion process must provide very less concentrations of emissions. To satisfy current worldwide emission norms, petrol engines also equipped with direct fuel in-jection (gasoline/petrol directly injected into engine cylinder) same as like diesel engines. The main drawback of GDI engine is NOx and PM emissions due to lean burn combustion and rich mixture formation over the combustion chamber surface because of wall wetting. In GDI engines, the gasoline fuel injector is placed at various positions with different angles over an engine cylinder head as per the mode of combustion strategy. Based on the mode of combustion with fuel injection angle, the piston crown shape design in much important that the crown surface must not involved in wall wetting during injection. The piston crown shapes were modified for Spray guided combustion mode, Wall guided combustion mode and Air guided combustion mode by keeping in mind that the position of injector with fuel spray angle and the position of spark plug tip on the cylinder head. The main aim of modifying the crown surface profiles of piston is to impart swirl and squish effects for better mixing of air and injected fuel, maintain combustion chamber surface temperature range within the limits and also to avoid wall wetting results in chances of reducing soot particle/PM emission and NOx emission from combustion process.
Combustion Modes, Crown Profiles, GDI Engine, Piston Shapes
  • Dr. Pradeep, Professor, Department of Mechanical Engineering, Rajalakshmi Institute of Technology, Chennai, India.
  • Dr. Kumaresan, Associate Professor, Department of Mechanical Engineeing, Bannari Amman Institute of Technology, Coimbatore, India.
Primary Language en
Subjects Engineering, Mechanical
Journal Section Research Articles
Authors

Orcid: 0000-0001-9084-9101
Author: Shiva KUMAR N (Primary Author)
Institution: Aarupadai Veedu Institute of Technology, Chennai, India
Country: India


Supporting Institution Aarupadai Veedu Institute of Technology, Chennai, India.
Dates

Application Date : September 17, 2020
Acceptance Date : November 10, 2020
Publication Date : December 31, 2020

Bibtex @research article { ijastech796526, journal = {International Journal of Automotive Science And Technology}, issn = {}, eissn = {2587-0963}, address = {Gazi Üniversitesi Teknoloji Fakültesi Otomotiv Mühendisliği Bölümü, Teknikokullar, Ankara}, publisher = {Otomotiv Mühendisleri Derneği}, year = {2020}, volume = {4}, pages = {289 - 294}, doi = {10.30939/ijastech..796526}, title = {Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction}, key = {cite}, author = {Kumar, Shiva} }
APA Kumar, S . (2020). Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction . International Journal of Automotive Science And Technology , 4 (4) , 289-294 . DOI: 10.30939/ijastech..796526
MLA Kumar, S . "Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction" . International Journal of Automotive Science And Technology 4 (2020 ): 289-294 <https://dergipark.org.tr/en/pub/ijastech/issue/57041/796526>
Chicago Kumar, S . "Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction". International Journal of Automotive Science And Technology 4 (2020 ): 289-294
RIS TY - JOUR T1 - Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction AU - Shiva Kumar Y1 - 2020 PY - 2020 N1 - doi: 10.30939/ijastech..796526 DO - 10.30939/ijastech..796526 T2 - International Journal of Automotive Science And Technology JF - Journal JO - JOR SP - 289 EP - 294 VL - 4 IS - 4 SN - -2587-0963 M3 - doi: 10.30939/ijastech..796526 UR - https://doi.org/10.30939/ijastech..796526 Y2 - 2020 ER -
EndNote %0 International Journal of Automotive Science and Technology Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction %A Shiva Kumar %T Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction %D 2020 %J International Journal of Automotive Science And Technology %P -2587-0963 %V 4 %N 4 %R doi: 10.30939/ijastech..796526 %U 10.30939/ijastech..796526
ISNAD Kumar, Shiva . "Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction". International Journal of Automotive Science And Technology 4 / 4 (December 2021): 289-294 . https://doi.org/10.30939/ijastech..796526
AMA Kumar S . Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction. ijastech. 2020; 4(4): 289-294.
Vancouver Kumar S . Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction. International Journal of Automotive Science And Technology. 2020; 4(4): 289-294.
IEEE S. Kumar , "Piston Crown Profile Modifications for Various Combustion Mode Strategies of Modified GDI Engine towards NOx and PM Reduction", International Journal of Automotive Science And Technology, vol. 4, no. 4, pp. 289-294, Dec. 2021, doi:10.30939/ijastech..796526