A Machine-Learning Framework for Plasma-Assisted Combustion Using Principal Component Analysis and Gaussian Process Regression

Aurélie Bellemans, Mohammad Rafi Malik, Fabrizio Bisetti, Alessandro Parente

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Abstract

The intricate nature of detailed kinetic mechanisms for plasma-assisted combustion motivates the development of high-fidelity surrogates to simplify their use in extensive numerical simulations. This chapter presents a machine-learning approach based on the coupling of Principal Component Analysis (PCA) with Gaussian Process Regression (GPR) to produce a reliable reduced-order representation of the detailed plasma-combustion physics. The entire state-space is expressed in function of a selected number of principal components using a non-linear Gaussian regression model. This machine-learning framework allows for a superior dimensionality compression compared to conventional data-driven reduction strategies based solely on principal component analysis. The performance of the present technique is assessed for the simulation of ethylene-air ignition by nanosecond repetitive pulsed discharges.
Original languageEnglish
Title of host publicationAdvances in Uncertainty Quantification and Optimization Under Uncertainty with Aerospace Applications: Proceedings of the 2020 UQOP International Conference
Subtitle of host publicationSpace Technology Proceedings
PublisherSpringer, Cham
Pages379-392
Number of pages13
Volume8
ISBN (Electronic)978-3-030-80542-5
ISBN (Print)978-3-030-80541-8
Publication statusPublished - 16 Jul 2021

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