This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
CFD Scavenging Simulation and Verification of a Sequentially Stratified Charged Two-Stroke Engine
Technical Paper
2013-32-9079
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
To effectively use Computational Fluid Dynamics (CFD) for engine emission development it is necessary to be able to simulate the scavenging flow in an engine. The CFD model for a stratified charged two-stroke engine is even more complex. This model have been tuned and finally validated with engine tests.
A CFD model has been made of the Husqvarna 560XP two-stroke stratified charged chainsaw engine. The model contains piston, cylinder, inlet system ducting and exhaust silencer. The simulation runs with moving deforming mesh with all ports active.
The airflow levels have been fine tuned with inlet restrictions similar to those in the air filter holder, which is not completely included in the present model.
The results and behaviour of the CFD model has a very good match to the measured values of the finished product. This gives us confidence in the model and several aspects can now be studied that is virtually impossible to capture by other means.
Recommended Content
Authors
Citation
Bergman, M., Enander, N., and Lawenius, M., "CFD Scavenging Simulation and Verification of a Sequentially Stratified Charged Two-Stroke Engine," SAE Technical Paper 2013-32-9079, 2013, https://doi.org/10.4271/2013-32-9079.Also In
References
- Bergman M. Scavenging system layout of a 25 cc two-stroke engine intended for stratified scavenging SAE Technical Paper 2002-32-1840
- Bergman M. Emission and Performance Evaluation of a 25cc Stratified Scavenging Two-Stroke Engine SAE Technical Paper 2003-32-0047
- Bergman , M. and Berneklev , J. A Novel Method of Tuning a Stratified Scavenged Two-Stroke Engine SAE Technical Paper 2006-32-0055
- Kobayashi Buhei Investigation of port design for small air-head stratified scavenging two-stroke cycle engine SAE Technical Paper 2005-32-0012
- Blair G.P. Design and Simulation of TWO-STROKE ENGINES Society of Automotive Engineers, Inc R-161