Experimental and numerical studies on the premixed syngas swirl flames in a model combustor

Samiran, Nor Afzanizam and Chong, Cheng Tung and Ng, Jo Han and Tran, Manh Vu and Ong, Hwai Chyuan and Valera-Medina, Agustin and Chong, William Woei Fong and Mohd Jaafar, Mohammad Nazri (2019) Experimental and numerical studies on the premixed syngas swirl flames in a model combustor. International Journal of Hydrogen Energy, 44 (44). pp. 24126-24139. ISSN 0360-3199

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Official URL: https://doi.org/10.1016/j.ijhydene.2019.07.158

Abstract

Experimental and numerical investigations were performed to study the combustion characteristics of synthesis gas (syngas) under premixed swirling flame mode. Four different type of syngases, ranging from low to high H2 content were tested and simulated. The global flame structures and post emission results were obtained from experimental work, providing the basis of validation for simulations using flamelet generated manifold (FGM) modelling approach via a commercial computational fluid dynamic software. The FGM method was shown to provide reasonable agreement with experimental result, in particular the post-exhaust emissions and global flame shapes. Subsequently, the FGM method was adopted to model the flame structure and predict the radical species in the reaction zones. Simulation result shows that H2-enriched syngas has lower peak flame temperature with lesser NO species formed in the reaction zone. © 2019 Hydrogen Energy Publications LLC

Item Type: Article
Uncontrolled Keywords: H2-rich syngas; Premixed swirl; Flamelet generated manifold; Emission; Flame structure; Reaction zone species
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 22 Jan 2020 03:44
Last Modified: 22 Jan 2020 03:44
URI: http://eprints.um.edu.my/id/eprint/23538

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