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Internal Combustion (IC) Engine ModelIt is an exciting time to be an automotive powertrain engineer, with many of the fundamental decisions that were made 50 or even 100 years being revisited, and many new options being explored thanks to the advent of new materials and advanced sensors and controls. Fortunately, the ability to analytically evaluate candidate technologies and to fine-tune designs is keeping up with the need to explore new ideas. A demonstration model is available to serve as a starting point for your explorations. While it is based on a four-stroke Otto cycle gasoline engine with 6 inline cylinders, the methods can be repurposed or extended to other cycles and configurations. This Sinaps®-based SINDA/FLUINT model is built to explore short time scale events such as pressure waves within intake and exhaust runners, such that volumetric efficiencies and engine performance can be estimated. To do so, it models the transient actions of each of six cylinders independently through each stroke. Nonetheless, run times are fast enough (on the order of minutes) that parametric variations can be quickly explored. Click here to download Model Documentation (PDF) Click here to download the Modeling Example (ZIP)
Postprocessed Sinaps® Diagram showing temperatures and flows (click image to enlarge)
Arbitrary intake valve schedule input as a Table … or use a controller (click image to enlarge)
Pressure/flow profile for 720 degrees of crank rotation (6000rpm, Cylinder #1) (click image to enlarge) More Information: Find out about FREE evaluation versions For further information, please contact C&R Technologies
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