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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2019> 28(2): 226-233
Lei Zhang, Tiexiong Su, Yunpeng Feng, Fukang Ma, Yangang Zhang, Jun Wang. Numerical Investigation of the Effects of Rate-Shaped Main Injection on Combustion and Emission in an OPOC Two-Stroke Diesel Engine[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2019, 28(2): 226-233. doi: 10.15918/j.jbit1004-0579.17170
Citation: Lei Zhang, Tiexiong Su, Yunpeng Feng, Fukang Ma, Yangang Zhang, Jun Wang. Numerical Investigation of the Effects of Rate-Shaped Main Injection on Combustion and Emission in an OPOC Two-Stroke Diesel Engine[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2019, 28(2): 226-233.doi:10.15918/j.jbit1004-0579.17170
shu

Numerical Investigation of the Effects of Rate-Shaped Main Injection on Combustion and Emission in an OPOC Two-Stroke Diesel Engine

doi:10.15918/j.jbit1004-0579.17170
  • 1.

    College of Mechatronic Engineering, North University of China, Taiyuan 030051, China

  • 2.

    Beijing Special Vehicle Institute, Beijing 100072, China

  • 3.

    School of Energy and Power Engineering, North University of China, Taiyuan 030051, China

  • Received Date:2018-03-30
    Abstract
  • The effects of various split injection strategies on the opposed-piston opposed-cylinder (OPOC)diesel engine combustion and emission characteristics have been studied numerically using AVL-Fire CFD tools. The five rate-shaped main injections were used in split injection strategies. The results show that ignition delay from a rectangular injection rate is the shortest. Maximum pressure of the trapezoid injection rate is the largest. And the NO xemission of the rectangular injection rate is the largest. Meanwhile, the soot emission of the trapezoid injection rate is the least among the five injection rates.
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