BYU

Abstract by Adam Fletcher

Personal Infomation


Presenter's Name

Adam Fletcher

Degree Level

Undergraduate

Co-Authors

Mark Transtrum

Abstract Infomation


Department

Physics and Astronomy

Faculty Advisor

Mark Transtrum

Title

Identifiability Analysis of a Simplified Combustion Model

Abstract

Combustion is essential in modern society. It is the underlying process that powers much of our transportation and enables the creation of many goods we use on a regular basis. However, it is a very difficult process to model. It involves many chemical species that are in turn involved in a complex network of chemical reactions. Models of this process include a large number of unknown parameters that need to be estimated from data. For example, we consider a “simplified” model involving nine species that has 231 unknown parameters. Because most of these parameters are irrelevant, we seek a simplified effective description of the combustion process. As a preliminary calculation we perform an identifiability analysis on this model. Our approach is to calculate the sensitivity of the model’s predictions to variations in the parameter values. I report on which types of parameters are identifiable in this model and the chemical insights this analysis provides.