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Effect of engine variables on the turbulent flow of a spark ignition engine

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Abstract

The turbulent flow in a spark ignition engine plays an important role in determining its combustion characteristics and thermal efficiency. In order to analyse the combustion process, the turbulent flow and its turbulence intensity must be studied. To study the turbulent flow as varying various factors in a combustion chamber of a spark ignition engine, the L-head with or without squish area are selected. The turbulent as varying flow on the piston speed, inlet flow velocity, and squish velocity are measured by using hot wire anemometer. To examine the characteristics of turbulent flow, the ensemble averaged mean velocity, turbulence intensity, turbulence intensity decrease ratio, production rate of turbulence intensity, production coefficient of turbulence intensity are analysied.

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Reference

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Authors and Affiliations

  1. Department of Mechanical Engineering, Induk Institute of Design, San 76 Wolgye-Dong, Nowon-Gu, 139-749, Seoul, Korea

    Sung Bin Han, Yon Jong Chung & Songyol Lee

  2. Department of Automative Engineering, Kyongbuk Junior College, 270 Pyongsan-Dong, Kyongsan, 712-250, Kyongsangbuk-Do, Korea

    Sung Bin Han & Yon Jong Chung

  3. Department of Mechanical Engineering, Sungkyunkwan University, 300 Chunchun-Dong, Jangan-Gu, Suwon, 440-330, Kyonggt-Do, Korea

    Songyol Lee

Authors
  1. Sung Bin Han
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  2. Yon Jong Chung
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  3. Songyol Lee
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Han, S.B., Chung, Y.J. & Lee, S. Effect of engine variables on the turbulent flow of a spark ignition engine. KSME Journal 9, 492–501 (1995). https://doi.org/10.1007/BF02953647

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  • DOI: https://doi.org/10.1007/BF02953647

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