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ZHANG Xin, WANG Yu-jun, XU Jian, HUANG Li. Numerical study of CNG engine combustion using CFD with detailed chemical kinetics[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(1): 54-59.
Citation: ZHANG Xin, WANG Yu-jun, XU Jian, HUANG Li. Numerical study of CNG engine combustion using CFD with detailed chemical kinetics[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2011, 20(1): 54-59.
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Numerical study of CNG engine combustion using CFD with detailed chemical kinetics

  • Department of Power Mechanical Engineering, Beijing Jiaotong University, Beijing 100044, China

  • Received Date:2010-04-07
    Abstract
  • A three-dimensional model which considers the effects of turbulence and detailed chemical kinetics is built to simulate the combustion process of engine fueled by compressed nature gas (CNG). The model is accomplished by integrating CFD software-KIVA3V and chemical kinetic software-CHEMKINII. Meanwhile, a turbulence combustion model which is suitable for describing the reaction rate under the coupled simulation is developed to balance the effects of turbulence and detailed chemical kinetics. To reduce the computation time, subsequent development of the simulation code is realized, which enables the simulation code to have the function of parallel computing and run on parallel computing facility based on message passing interface (MPI). The coupled software is used to simulate the combustion process of spark ignition CNG engine. The results show that simulation data have a good consistency with experimental results and parallel computing has good efficiency and accelerate ratio.
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