Simulation of Fuel Ignition Chemical Kinetics in Diesel Engine at Cold Start with Modelica Language

  • A. MalozemovEmail author
  • A. Savinovskikh
  • G. Malozemov
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


The article presents the results of a mathematical model and software development for numerical simulation of fuel ignition chemical kinetics in a diesel engine combustion chamber at cold start with Modelica language. The study aims at ensuring that diesel engines meet the requirements of regulatory and technical documents for starting characteristics. In the course of the study, the mathematical model of the fuel ignition and combustion chemical kinetics in the diesel engine combustion chamber, which can be used for starting characteristics predicting, was created and implemented as software. In the course of numerical studies, it was determined that to ensure ignition of diesel fuel in the combustion chamber, the required value of local gas temperatures should be at least 1350 K. The permissible proportion of carbon dioxide in the gases, when engine can start, with simultaneous intake air heater operation, should not exceed 40%. The developed mathematical model and software are used in current research and development work of South Ural State University to create new and modernize existing diesel engines of various types and purposes, produced by Chelyabinsk tractor plant.


Diesel engine Cold start Fuel ignition Chemical kinetics Mathematical model Software Modelica language 



This work was performed with methodical and scientific support of AVL List GmbH (Graz, Austria) (Agreement for Use of Simulation Software AVL BOOST, AVL CRUISE, AVL EXCITE and AVL FIRE between SUSU (Chelyabinsk, Russia) and AVL LIST GmbH (Graz, Austria)) in part related to the mathematical model and developed software verification.


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.South Ural State UniversityChelyabinskRussia
  2. 2.South Ural Institute of Management and EconomicsChelyabinskRussia

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