Are the available data from laboratory spray burners suitable for CFD modelling validations? A review

Alisson Vinicius Brito Lopes, Nwabueze Emekwuru, Kruti Joshi

Research output: Contribution to journalReview articlepeer-review

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Abstract

A systematic compilation and evaluation of turbulent spray flame combustion data acquired from lab-scale spray-burners and CFD models validated with these are presented. Previous review studies have been limited to presentations of the progress with validation targets and modelling methods. This work expands these by presenting the details of lab-scale spray-burners and the characteristics of their datasets, the computational methodologies developed to capture the turbulent spray combustion processes acquired from the burners and their validation with the dataset. Additionally, by critically evaluating the spray and inflow boundary conditions, the reacting and non-reacting features and the main flame characteristics and data, direct correlations between the effectiveness of the dataset from the lab-scale spray burners and the outcomes from the computational methodologies using them for validation are clearly elucidated. The evaluation indicates that the turbulence modelling and validation of the swirling non-reacting flows before the application of the combustion models are important. A better representation of the multi-mode nature and the flame-turbulence-chemistry interactions in the combustion models are required. Also, a clearer experimental presentation of the flame structure and modes would help with the development of the modelling techniques. To plug these research needs, this paper reinforces the importance of developing improved numerical techniques that can be validated by selecting an appropriate lab-scale spray-burner with a robust database. Together these can be used to improve the development of and reduce emissions from combustors burning future green fuels.
Original languageEnglish
Article number100289
Number of pages29
JournalEnergy Conversion and Management: X
Volume16
Issue number2022
Early online date29 Aug 2022
DOIs
Publication statusE-pub ahead of print - 29 Aug 2022

Bibliographical note

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

Funder

This work has been financially supported by the Centre for Fluid and Complex Systems at Coventry University, and partly by the UGC-UKIERI 2016-17-050 grant.

Keywords

  • Highly-swirling-turbulent-spray-flame-combustion
  • Laboratory-scale-spray-burners
  • Computational-fluid-dynamics
  • Validation-database
  • Future fuels
  • Gas-turbines

ASJC Scopus subject areas

  • Engineering(all)
  • Energy(all)
  • Physics and Astronomy(all)

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