Excess molar volume along with viscosity, refractive index and relative permittivity for binary mixtures of exo-tetrahydrodicyclopentadiene with four octane isomers

The fundamental physical properties including density, viscosity, refractive index and relative permittivity , have been measured for binary mixtures of exo -tetrahydrodicyclopentadiene (JP-10) with four octane isomers ( n -octane, 3-methylheptane, 2,4-dimethylhexane and 2,2,4-trimethylpentane) over the whole composition range at temperatures T   =   (293.15 to 313.15)   K and pressure p   =   0.1   MPa. The values of excess molar volume V m E $\left(V_{\text{m}}^{\text{E}}\right)$ , viscosity deviation (Δ η ), refractive index deviation (Δ n D ) and relative permittivity deviation (Δ ε r ) are then calculated. All of the values of V m E $V_{\text{m}}^{\text{E}}$ and Δ η are observed to be negative, while those of Δ n D and Δ ε r are close to zero. The effects of temperature and composition on the variation of V m E $V_{\text{m}}^{\text{E}}$ values are discussed. The negative values of V m E $V_{\text{m}}^{\text{E}}$ and Δ η are conductive to high-density and low-resistance of fuels, which is favorable for the design and preparation of advanced hydrocarbon fuels.