Progress in catalytic ignition fabrication, modeling and infrastructure : (part 2) development of a multi-zone engine model simulated using MATLAB software.
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2014-02-01
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Abstract:A mathematical model was developed for the purpose of providing students with data
acquisition and engine modeling experience at the University of Idaho. In developing the
model, multiple heat transfer and emissions models were researched and compared before
being implemented in the final model. It was decided that empirical methods would be used
to predict engine performance facets due to their simplicity, and would be later modified, or
adjusted, to fit the test results.
In an attempt to improve the accuracy of the MATLAB (Matrix Laboratory) model, specific
heats were modeled as a function of temperature, friction effects were modeled as a function
of engine speed (RPM), valve opening and closing was included, and emissions predictions
were included based on a two-zone approach. Although the model is in the process of being
validated, preliminary comparisons with engine manufacturer’s data has shown promising
results.
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