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Acetone–Butanol–Ethanol (ABE), as an alternative for butanol, can be used either in neat form or in blends with fossil fuels. Yet the flame characteristics of ABE blending gasolines have not been reported to date. To explore the effects of ABE addition on the laminar flame speed of gasoline, the spherical propagating flames of ABE, gasoline (represented by toluene reference fuel, TRF), as well as...
Fuel spray and atomization characteristics play an important role in the performance of internal combustion engines and many applications of industry. In drop aerobreakup, there are two main breakup modes: general bag breakup and shear breakup, which are induced by Rayleigh-Taylor instability and Kelvin-Helmholtz instability, respectively. Influence of surfactant on drop deformation and breakup is...
We assess the impacts of effective stress and CO2 sorption on the bedding-parallel matrix permeability of the Utica shale through pressure pulse-decay experiments. We first measure permeability using argon at relatively high (14.6MPa) and low (2.8MPa) effective stresses to assess both pressure dependence and recoverability. We subsequently measure permeability using supercritical CO2 and again using...
The gasification performances of three biomass materials, including raw bamboo, torrefied bamboo at 250°C (TB250), and torrefied bamboo at 300°C (TB300), in a downdraft fixed bed gasifier are evaluated through thermodynamic analysis. Two parameters of modified equivalence ratio (ER m ) and steam supply ratio (SSR) are considered to account for their impacts on biomass gasification. The cold...
Even though ratio of air to fuel is the major factor in determining the thermal efficiency of a boiler, how to optimize the ratio in the real operation is still more like art than science, especially for a gas/solid multi-fuel combustion system. This study, taking operation data from a real gas/solid fuels co-firing boiler, is aimed to develop the thermal efficiency model. To cope with the complexity...
In this study, HCl emission during the co-pyrolysis of demolition wood and a small amount of polyvinyl chloride (PVC) film (the Cl content of which ranged from 0.5% to 6% by weight) in an N 2 atmosphere at elevated temperatures of up to 600°C was measured using a laboratory-scale cylindrical batch reactor. In the pyrolysis experiments, HCl emission was reduced by the presence of wood. The...
H 2 S and HCl released during biomass gasification can decrease the performance of high-temperature fuel cells in an Integrated Biomass Gasification Fuel Cell power-generating system. In this study, the behaviors of such poisonous gases during the gasification of different biomass fuels at various temperatures ranging from 673 to 1473K were predicted using an equilibrium calculation approach...
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