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重型预混合压缩点火(PCCI)发动机中曲轴角分辨流场表征检测产品配置单(粒子图像测速) 【刊物发表】

  • 应用领域: 铁路/船舶/交通
  • 检测样品: 其他
  • 检测项目:曲轴角分辨流场表征
  • 浏览次数:502 次
  • 下载次数:1 次
  • 发布时间:2012-01-27
  • 参考标准:暂无
To achieve PCCI combustionwith limited heat release rates, the influence of charge stratification on combustion should be investigated. In this paper a method is presented to achieve and measure charge stratification. As a first attempt to investigate the mixing, we measure the in-cylinder velocities using particle image velocimetry (PIV). From these velocities the turbulence intensities are derived, which give an indication of the mixing of charge. First results indicate that the turbulence is homogeneous and that the swirl center shifts towards the center of the combustion chamber. Future measurements will also entail time resolved PIV measurements.
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