Flow calculation in a loop-scavenged two-stroke motored engine

Yeng-Yung Tsui, H. P. Cheng

Research output: Contribution to journalArticle

6 Scopus citations


A multidimensional calculation method is used to investigate the flow in a motored two-stroke engine. The governing equations are written in a moving-coordinate system such that the grid can move with the piston. Grid lines are added into or deleted from the computational domain, depending on opening or closure of the ports. The EPISO algorithm is modified and adopted as the solution procedure. Calculations are performed on an engine of loop-scavenged type. Details of the gas exchange process and the flow structure in the cylinder are shown. The effects of the engine speed, inlet discharge coefficient and the angle of boost port are examined.

Original languageEnglish
Pages (from-to)249-267
Number of pages19
JournalInternational Journal of Numerical Methods for Heat & Fluid Flow
Issue number3
StatePublished - 1 Mar 1994


  • Numerical analysis
  • Scavenging flow
  • Two-stroke engine

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