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Gasexchange 2/4-stroke

4-stroke and 2-stroke engine efficiency is in function of the gasexchange layout and the scavenging process.
Intake and exhaust system must perfectly work together with the ports timing in order to achieve best volumetric efficiency and HC trapping of the cylinder filling.

BASTRA is working on all topics concerning the gas exchange layout of engines:

Gasexchange analysis/layout 2-stroke engine:

  • Engine-Cycle-Simulation ECS
  • 3D CFD scavenging simulation of complete engine
  • Port design
  • HC trapping analysis
  • Intake system design
  • Exhaust system design

Gasexchange analysis/layout 4-stroke engine:

  • Engine-Cycle-Simulation ECS
  • Valvelift and -timing
  • Intake and exhaust port design
  • Intake system design
  • Exhaust system design