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Non-Premixed Filtered Tabulated Chemistry: Filtered Flame Modeling of Diffusion Flames

Obando Vega, Pedro Javier ; Coussement, Axel ; Sadiki, Amsini ; Parente, Alessandro (2024)
Non-Premixed Filtered Tabulated Chemistry: Filtered Flame Modeling of Diffusion Flames.
In: Fuels, 2021, 2 (2)
doi: 10.26083/tuprints-00022205
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Non-Premixed Filtered Tabulated Chemistry: Filtered Flame Modeling of Diffusion Flames
Language: English
Date: 12 January 2024
Place of Publication: Darmstadt
Year of primary publication: 2021
Place of primary publication: Basel
Publisher: MDPI
Journal or Publication Title: Fuels
Volume of the journal: 2
Issue Number: 2
DOI: 10.26083/tuprints-00022205
Corresponding Links:
Origin: Secondary publication DeepGreen

The flame front filtering is a well-known strategy in turbulent premixed combustion. An extension of this approach for the non-premixed combustion context has been proposed by means of directly filtering counterflow diffusion flamelets. Promising results were obtained for the non-premixed filtered tabulated chemistry formalism on 1-D and 2-D unresolved counterflow flame configurations. The present paper demonstrates the soundness of this approach on a 3-D real laminar non-premixed coflow flame. The model results are compared against the direct filtering of the fully resolved laminar diffusion flame showing that the formalism adequately describes the underlying physics. The study reveals the importance of the one-dimensional counterflow flamelet hypothesis, so that the model activation under this condition is ensured by means of a flame sensor. The consistent coupling between the model and the flame sensor adequately retrieves the flame lift-off and satisfactorily predicts the profile extension due to the filtering process.

Uncontrolled Keywords: laminar non-premixed combustion, coflow flame, filtered tabulated chemistry
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-222053
Additional Information:

This article belongs to the Special Issue Feature Papers in Fuels.

Classification DDC: 300 Social sciences > 333.7 Natural resources, energy and environment
600 Technology, medicine, applied sciences > 620 Engineering and machine engineering
Divisions: 16 Department of Mechanical Engineering > Institute for Energy and Power Plant Technology (EKT)
16 Department of Mechanical Engineering > Institute of Reactive Flows and Diagnostics (RSM)
Date Deposited: 12 Jan 2024 14:00
Last Modified: 15 Feb 2024 09:58
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/22205
PPN: 515558575
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