Thermal Structure of Methane Hydrate Fueled Flames
An experimental and computational study investigates the burning behavior of methane hydrate in an opposed-jet porous burner. The free (convection) burning of methane hydrates is unstable and flame extinction can occur due to water film layer buildup or self-preservation phenomena. The burner allows...
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ftchengkunguniv:oai:ir.lib.ncku.edu.tw:987654321/171240 2023-05-15T17:11:20+02:00 Thermal Structure of Methane Hydrate Fueled Flames Wu, Fang-Hsien Padilla, R.-E Dunn-Rankin, D. Chen, G.-B Chao, Yei-Chin Department of Aeronautics and Astronautics 2016-08-02 706650 bytes 3473167 bytes application/pdf http://ir.lib.ncku.edu.tw/handle/987654321/171240 http://ir.lib.ncku.edu.tw/bitstream/987654321/171240/1/3011004000-000004_1.pdf http://ir.lib.ncku.edu.tw/bitstream/987654321/171240/2/3011004000-000004_2.pdf Eng eng methane hydrate opposed-jet porous burner color-ratio pyrometry conference 2016 ftchengkunguniv 2017-05-12T00:04:44Z An experimental and computational study investigates the burning behavior of methane hydrate in an opposed-jet porous burner. The free (convection) burning of methane hydrates is unstable and flame extinction can occur due to water film layer buildup or self-preservation phenomena. The burner allows us to overcome these problems and generates a stable 1-D methane hydrate diffusion flame. Axial temperature flame location and flame width were measured using color-ratio thin filament pyrometry (TFP) from the radiative emission of a Silicon Carbide fiber that is oriented across the flame. The hydrate flame temperatures are found to be close to 1700 K. Computationally chemical kinetic calculations with water vapor introduced into the fuel stream and the opposed flame model and the GRI MECH 3.0 mechanism simulated conditions of methane hydrate diffusion flames in order to observe the temperature flame position and thermal width. The computational and experimental results showed close agreement in temperature and indicate that water from the hydrate dilutes the fuel and reduces flame temperatures to 1700 K. TFP allowed us to capture the dynamic movement of the hydrate flame towards the air side as it burned robustly during a process where heat and mass transfer promoted a release in methane and water vapor entrainment into the reaction zone. Conference Object Methane hydrate National Cheng Kung University: NCKU Institutional Repository |
institution |
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collection |
National Cheng Kung University: NCKU Institutional Repository |
op_collection_id |
ftchengkunguniv |
language |
English |
topic |
methane hydrate opposed-jet porous burner color-ratio pyrometry |
spellingShingle |
methane hydrate opposed-jet porous burner color-ratio pyrometry Wu, Fang-Hsien Padilla, R.-E Dunn-Rankin, D. Chen, G.-B Chao, Yei-Chin Thermal Structure of Methane Hydrate Fueled Flames |
topic_facet |
methane hydrate opposed-jet porous burner color-ratio pyrometry |
description |
An experimental and computational study investigates the burning behavior of methane hydrate in an opposed-jet porous burner. The free (convection) burning of methane hydrates is unstable and flame extinction can occur due to water film layer buildup or self-preservation phenomena. The burner allows us to overcome these problems and generates a stable 1-D methane hydrate diffusion flame. Axial temperature flame location and flame width were measured using color-ratio thin filament pyrometry (TFP) from the radiative emission of a Silicon Carbide fiber that is oriented across the flame. The hydrate flame temperatures are found to be close to 1700 K. Computationally chemical kinetic calculations with water vapor introduced into the fuel stream and the opposed flame model and the GRI MECH 3.0 mechanism simulated conditions of methane hydrate diffusion flames in order to observe the temperature flame position and thermal width. The computational and experimental results showed close agreement in temperature and indicate that water from the hydrate dilutes the fuel and reduces flame temperatures to 1700 K. TFP allowed us to capture the dynamic movement of the hydrate flame towards the air side as it burned robustly during a process where heat and mass transfer promoted a release in methane and water vapor entrainment into the reaction zone. |
author2 |
Department of Aeronautics and Astronautics |
format |
Conference Object |
author |
Wu, Fang-Hsien Padilla, R.-E Dunn-Rankin, D. Chen, G.-B Chao, Yei-Chin |
author_facet |
Wu, Fang-Hsien Padilla, R.-E Dunn-Rankin, D. Chen, G.-B Chao, Yei-Chin |
author_sort |
Wu, Fang-Hsien |
title |
Thermal Structure of Methane Hydrate Fueled Flames |
title_short |
Thermal Structure of Methane Hydrate Fueled Flames |
title_full |
Thermal Structure of Methane Hydrate Fueled Flames |
title_fullStr |
Thermal Structure of Methane Hydrate Fueled Flames |
title_full_unstemmed |
Thermal Structure of Methane Hydrate Fueled Flames |
title_sort |
thermal structure of methane hydrate fueled flames |
publishDate |
2016 |
url |
http://ir.lib.ncku.edu.tw/handle/987654321/171240 http://ir.lib.ncku.edu.tw/bitstream/987654321/171240/1/3011004000-000004_1.pdf http://ir.lib.ncku.edu.tw/bitstream/987654321/171240/2/3011004000-000004_2.pdf |
genre |
Methane hydrate |
genre_facet |
Methane hydrate |
_version_ |
1766068133320196096 |