Thermodynamic properties of ethanol and gasoline blended fuel
Nan, ZD; Tan, ZC; Nan ZD(南照东); Nan ZD(南照东)
Source PublicationENERGY & FUELS
Indexed BySCI
Funding Project1504
Contribution Rank2;2
WOS HeadingsScience & Technology ; Technology
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS Research AreaEnergy & Fuels ; Engineering
AbstractThe heat capacities (C-p) of five types of gasohol (50 wt % ethanol and 50 wt % unleaded gasoline 93(#) (E50), 60 wt % ethanol and 40 wt % unleaded gasoline 93(#) (E60), 70 wt % ethanol and 30 wt % unleaded gasoline 93(#) (E70), 80 wt % ethanol and 20 wt % unleaded gasoline 93(#) (E80), and 90 wt % ethanol and 10 wt % unleaded gasoline 93(#) (E90), where the "93" denotes the octane number) were measured by adiabatic calorimetry in the temperature range of 78-320 K. A glass transition was observed at 95.61, 96.14, 96.56, 96.84, and 97.08 K for samples from the E50, E60, E70, E80, and E90 systems, respectively. A liquid-solid phase transition and a solid-liquid phase transition were observed in the respective temperature ranges of 118-153 and 155-163 K for E50, 117-150 and 151-164 K for E60, 115-154 and 154-166 K for E70, 113-152 and 152-167 K for E80, and 112-151 and 1581-167 K for E90. The polynomial equations of Cp and the excess heat capacities (C-p(E)), with respect to the thermodynamic temperature, were established through least-squares fitting. Based on the thermodynamic relationship and the equations obtained, the thermodynamic functions and the excess thermodynamic functions of the five gasohol samples were derived.
WOS IDWOS:000233419100029
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorNan ZD(南照东); Nan ZD(南照东)
Affiliation1.Qufu Normal Univ, Dept Chem, Qufu 273165, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Nan, ZD,Tan, ZC,Nan ZD,et al. Thermodynamic properties of ethanol and gasoline blended fuel[J]. ENERGY & FUELS,2005,19(6):2432-2437.
APA Nan, ZD,Tan, ZC,南照东,&南照东.(2005).Thermodynamic properties of ethanol and gasoline blended fuel.ENERGY & FUELS,19(6),2432-2437.
MLA Nan, ZD,et al."Thermodynamic properties of ethanol and gasoline blended fuel".ENERGY & FUELS 19.6(2005):2432-2437.
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