IMECH-IR  > 高温气体动力学国家重点实验室
INFLUENCE OF HIGH ALTITUDE ON COMBUSTION EFFICIENCY AND RADIATION FRACTION OF HYDROCARBON FIRES
Li HH; Yao W(姚卫); Li P; Zhou ZH; Wang J
Source PublicationHEAT TRANSFER RESEARCH
2017
Volume48Issue:10Pages:865-875
ISSN1064-2285
Abstract

Fire behaviors of three gaseous hydrocarbon fuels were experimentally measured and compared at two different altitudes (Lhasa city, 64 kPa at an altitude of 3650 m; Hefei city, 100 kPa at an altitude of 50 m). The heat release rates were calculated through a simplified thermochemistry based on the measured concentrations of O-2 and CO2 in the exhaust duct, then the combustion efficiencies and the radiation fractions were compared at the two altitudes. The heat release rates and combustion efficiencies were higher at lower pressure, and the overall temperatures of methane fires rose at a lower pressure. The radiative heat fluxes and radiation fractions at a low pressure were smaller than those at a normal pressure, while the smoke transmittances of acetylene fires at a low pressure were higher.

KeywordHydrocarbon Fire Heat Release Rate Combustion Efficiency Radiation Fraction Transmittance
DOI10.1615/HeatTransRes.2016010282
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000412836800001
WOS KeywordPool Fires ; N-heptane ; Atmospheric-pressure ; Diffusion Flames ; Smoke Point ; Jet
WOS Research AreaThermodynamics
WOS SubjectThermodynamics
Funding OrganizationNational Natural Science Foundation of China(51376172)
DepartmentLHD超声速燃烧
ClassificationQ4
Ranking2
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/70081
Collection高温气体动力学国家重点实验室
Corresponding AuthorWang J
Recommended Citation
GB/T 7714
Li HH,Yao W,Li P,et al. INFLUENCE OF HIGH ALTITUDE ON COMBUSTION EFFICIENCY AND RADIATION FRACTION OF HYDROCARBON FIRES[J]. HEAT TRANSFER RESEARCH,2017,48(10):865-875.
APA Li HH,Yao W,Li P,Zhou ZH,&Wang J.(2017).INFLUENCE OF HIGH ALTITUDE ON COMBUSTION EFFICIENCY AND RADIATION FRACTION OF HYDROCARBON FIRES.HEAT TRANSFER RESEARCH,48(10),865-875.
MLA Li HH,et al."INFLUENCE OF HIGH ALTITUDE ON COMBUSTION EFFICIENCY AND RADIATION FRACTION OF HYDROCARBON FIRES".HEAT TRANSFER RESEARCH 48.10(2017):865-875.
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