A review on mixing laws of laminar flame speed and their applications on H2/CH4/CO/air mixtures
作者： Yongliang Xie , Qizhang Li
DOI: 10.1016/J.IJHYDENE.2019.10.136
关键词:
摘要: Abstract As one of the most promising environmentally-friendly and renewable energies, biomass derived gas (BDG) has a great application prospect in future energy system. Due to complex diversity BDG components, prediction important parameters, such as laminar flame speed, from individual component will be realistic reasonable than those direct measurement or calculation some circumstances. In this study, existing mixing models are evaluated predict speed BDG. addition, one-dimensional premixed propagations simulated analyze temperatures sensitivity coefficients speed. For with main components CH4, H2 CO, we employ strategy that CH4 mixed first then wet CO is added into CH4/H2 mixture. blended fuels, flame-temperature-based Le Chaterlier's have best fits for estimations CH4/H2/air mixtures lower higher ZH2, respectively. Sensitivity analysis shows there large discrepancy chemical pathways ZCO conducted two different When ratio 0.85, Spalding rule fraction method could best. larger Chen's model choices
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