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Experimental Investigation into the Combustion Characteristics of Propane Hydrates in Porous Media
Chen, Xiang-Ru1,2,3; Li, Xiao-Sen1,2; Chen, Zhao-Yang1,2; Zhang, Yu1,2; Yan, Ke-Feng1,2; Lv, Qiu-Nan1,2
2015-02-01
Source PublicationEnergies
Volume8Issue:2Pages:1242-1255
AbstractThe combustion characteristics of both pure propane hydrates and the mixtures of hydrates and quartz sands were investigated by combustion experiments. The flame propagation, flame appearance, burning time and temperature in different hydrate layers were studied. For pure propane hydrate combustion, the initial flame falls in the "premixed" category. The flame propagates very rapidly, mainly as a result of burnt gas expansion. The flame finally self-extinguishes with some proportion of hydrates remaining unburned. For the hydrate-sand mixture combustion, the flame takes the form of many tiny discontinuous flames appearing and disappearing at different locations. The burn lasts for a much shorter amount of time than pure hydrate combustion. High porosity and high hydrate saturation is beneficial to the combustion. The hydrate combustion is the combustion of propane gas resulting from the dissociation of the hydrates. In both combustion test scenarios, the hydrate-dissociated water plays a key role in the fire extinction, because it is the main resistance that restrains the heat transfer from the flame to the hydrates and that prevents the hydrate-dissociated gas from releasing into the combustion zone.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.3390/en8021242
WOS Subject ExtendedEnergy & Fuels
WOS KeywordLAMINAR BOUNDARY-LAYER ; METHANE HYDRATE ; GAS-PRODUCTION ; THERMAL-STIMULATION ; BEARING SEDIMENTS ; PUFF METHOD ; DISSOCIATION ; REACTOR ; HUFF
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels
WOS IDWOS:000353564100001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/9116
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100083, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen, Xiang-Ru,Li, Xiao-Sen,Chen, Zhao-Yang,et al. Experimental Investigation into the Combustion Characteristics of Propane Hydrates in Porous Media[J]. Energies,2015,8(2):1242-1255.
APA Chen, Xiang-Ru,Li, Xiao-Sen,Chen, Zhao-Yang,Zhang, Yu,Yan, Ke-Feng,&Lv, Qiu-Nan.(2015).Experimental Investigation into the Combustion Characteristics of Propane Hydrates in Porous Media.Energies,8(2),1242-1255.
MLA Chen, Xiang-Ru,et al."Experimental Investigation into the Combustion Characteristics of Propane Hydrates in Porous Media".Energies 8.2(2015):1242-1255.
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