Investigating the effect of piston bowl geometry on the partially premixed dual fuel combustion engine at low load condition

  • Hassan Khatamnejad
  • Bahram Jafari
  • D. D. GanjiEmail author
Regular Article


One of the most important emerged technologies to improve the emission characteristics of internal combustion engines is the dual-fuel combustion engines being fueled with an abundant clean environmentally friendly fuel such as natural gas as the main fuel while having conventional compression ignition engine design. In this research, a three-dimensional CFD model of fluid flow coupled with the chemical kinetics mechanism is developed and the numerical results of a partially premixed combustion of natural gas and diesel fuel are presented in different piston bowl shapes. The results of the numerical analyses for different combustion chamber designs in the natural gas-diesel dual fuel engine reveal that the bathtub shape geometry, comparing with other piston-bowl geometries, results in a combustion being more efficient and yielding better performance.


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Copyright information

© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Hassan Khatamnejad
    • 1
  • Bahram Jafari
    • 2
  • D. D. Ganji
    • 3
    Email author
  1. 1.Department of Mechanical EngineeringUrmia UniversityUrmiaIran
  2. 2.Faculty of engineering modern technologiesAmol University of Special Modern ThechnologiesAmolIran
  3. 3.Department of Mechanical EngineeringBabol Noushirvani University of TechnologyBabolIran

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