期刊
ENERGY & FUELS
卷 32, 期 9, 页码 9581-9591出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.energyfuels.8b02112
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资金
- U.S. Department of Energy (DOE) [DE-AC36-08GO28308]
- U.S. DOE Office of Energy Efficiency and Renewable Energy (EERE) Bioenergy Technologies and Vehicle Technologies Offices
- Laboratory Directed Research and Development (LDRD) Program at the National Renewable Energy Laboratory
Partially reacting candidate fuels under highly dilute conditions across a range of temperatures provides a means to classify the candidates based on traditional ignition characteristics using much lower quantities (sub-mL) than the full octane tests. Using a classifier based on a Gaussian Process model, synthetic species profiles obtained by plug flow reactor simulations at seven temperatures are used to demonstrate that the configuration can be used to classify 95% of the samples correctly for autoignition sensitivity exceeding a threshold (S >= 8) and 100%of the samples correctly for research octane number exceeding a threshold (RON > 90). Molecular beam mass spectrometry (MBMS) experimental data at four temperatures is then used as the model input in a real-world test. Despite the nontrivial relationship between the MBMS measurements and speciation as well as experimental noise it is still possible to classify 95% of the samples correctly for RON and 85% of the samples correctly for Sin a leave-one-out cross validation exercise. The test data set consists of 45 fuels and includes a variety of primary reference fuels, ethanol blends and other oxygenates.
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