Densities and Viscosities for Four Binary Systems of Tetrahydrotricyclopentadiene with n-Dodecane, Methylcyclohexane, Decalin, or 1,2,3,4-Tetrahydronaphthalene at T = (293.15 to 343.15) K

IF 2.1 3区 工程技术 Q3 CHEMISTRY, MULTIDISCIPLINARY
Peilun Wang, Xiwei Ye, Yitong Dai, Ji Mi, Wenjun Fang*, Pengfei Jiang* and Yongsheng Guo, 
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Abstract

In order to achieve a comprehensive understanding of the properties of tetrahydrotricyclopentadiene (THTCPD) as a potential candidate for high-energy-density hydrocarbon fuels, the density and viscosity of binary mixtures comprising THTCPD and four representative hydrocarbons─n-dodecane, methylcyclohexane, decalin, and 1,2,3,4-tetrahydronaphthalene─were experimentally determined under conditions of T = (293.15 to 343.15) K and atmospheric pressure p = 0.1 MPa. At a constant temperature, both density and viscosity exhibited continuous increases with the rising molar fraction of THTCPD in the binary systems. Furthermore, the excess molar volume (VmE) and viscosity deviation (Δη) of these binary systems were calculated and subsequently fitted by using the Redlich–Kister equation. With the exception of the THTCPD + 1,2,3,4-tetrahydronaphthalene system, the VmE values for all other systems were negative, with their absolute values increasing as the temperature rose. The Δη values for all systems were also negative, and their absolute values decreased significantly with increasing temperature. These findings are interpreted in terms of intermolecular interactions and structural effects, providing critical reference data for the development of high-energy-density hydrocarbon fuels.

Abstract Image

T = (293.15 ~ 343.15) K时四氢三环戊二烯与正十二烷、甲基环己烷、十烷或1,2,3,4-四氢萘二元体系的密度和粘度
为了全面了解四氢三环戊二烯(THTCPD)作为高能量密度碳氢化合物燃料的潜在候选者的性质,在T = (293.15 ~ 343.15) K和大气压p = 0.1 MPa的条件下,实验测定了由THTCPD和四氢十二烷、甲基环己烷、十氢化萘和1,2,3,4-四氢萘组成的二元混合物的密度和粘度。在一定温度下,随着THTCPD摩尔分数的增加,二元体系的密度和粘度都呈连续增加的趋势。此外,计算了这些二元体系的过量摩尔体积(VmE)和粘度偏差(Δη),并用Redlich-Kister方程进行了拟合。除THTCPD + 1,2,3,4-四氢萘体系外,其余体系的VmE值均为负,其绝对值随温度升高而增大。各系统的Δη值均为负值,其绝对值随温度升高而显著降低。这些发现从分子间相互作用和结构效应的角度进行了解释,为高能量密度碳氢化合物燃料的开发提供了重要的参考数据。
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来源期刊
Journal of Chemical & Engineering Data
Journal of Chemical & Engineering Data 工程技术-工程:化工
CiteScore
5.20
自引率
19.20%
发文量
324
审稿时长
2.2 months
期刊介绍: The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.
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