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Experiments in Fluids

, Volume 31, Issue 5, pp 467–473 | Cite as

In-cylinder swirl formation process in a four-valve diesel engine

  • Wu Zhijun
  • Huang Zhen

Abstract

An experimental study is presented on the steady flow in a four-valve diesel engine rig by using hot-wire anemometry. Through the analysis of the in-cylinder three-dimensional flow field of a four-valve diesel engine, the in-cylinder swirl formation process at various valve lift was investigated. A new criterion is proposed for predicting the emergence of a stable-swirl formation interface, based on swirl angular momentum flux. A stable-swirl formation interface exists when the main swirl angular momentum flux is nearly equal to the in-cylinder air total angular momentum flux.

Keywords

Experimental Study Diesel Angular Momentum Flow Field Formation Process 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Wu Zhijun
    • 1
  • Huang Zhen
    • 1
  1. 1.Research Institute of Internal Combustion Engines Shanghai Jiao Tong University, 1954 Huashan Rd. Shanghai 200030, P. R. China e-mail: wzj1972@263.net Tel.: +86–21–64384085CN

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