MACHINE-LEARNING APPROACH TO MODELING OXIDATION OF TOLUENE IN A BUBBLE COLUMN REACTOR

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A feed forward machine-learning (ML) model is applied to study bubble induced turbulence and bubble mass transfer in a bubble column reactor. Using direct numerical simulation data for forced turbulence, bubble deformations and flow velocities are predicted. To predict mass transfer, ML sub-grid scale (SGS) modeling technique is introduced for the concentration of reactants and products undergoing parallel competitive reactions in the oxidation of toluene. The ML model replaces the iterative approach associated with the use of analytical profiles for previous SGS models for correcting concentration profiles in boundary layers. The present model, thus, offers a significant performance bonus as well as the flexibility to extend to more complex scenarios due to its data-driven nature.

Original languageEnglish
Title of host publicationFluids Engineering; Heat Transfer and Thermal Engineering
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791886700
DOIs
StatePublished - 2022
Externally publishedYes
EventASME 2022 International Mechanical Engineering Congress and Exposition, IMECE 2022 - Columbus, United States
Duration: 30 Oct 20223 Nov 2022

Publication series

NameASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
Volume8

Conference

ConferenceASME 2022 International Mechanical Engineering Congress and Exposition, IMECE 2022
Country/TerritoryUnited States
CityColumbus
Period30/10/223/11/22

Keywords

  • Data-driven approach
  • Machine learning
  • Reactive-diffusive-convective system
  • Subgrid-scale modeling
  • Toluene oxidation

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