新液体燃料——二甲醚的热力学性质与传递性质研究

Study on the Thermodynamic and Transport Properties of New Liquid Fuel——Dimethyl Ether

应用分子热力学理论计算了液体燃料二甲醚的热物理性质,包括pVT性质、蒸汽压和汽化潜热、粘度和表面张力等,所得计算结果与实验数据符合良好,表明本文所提出的方程能很好地反映二甲醚分子的热物理行为。本方法可应用于工程计算。

The thermophysical properties of dimethyl ether, including PVT property, vapor pressure and latent heat of vaporization, viscosity, and surface tension etc are calculated by using the theory of molecular thermodynamics The obtained results are in good agreement with the experimental data It shows that the proposed equations can well represent the thermophysical behaviour of molecules for dimethyl ether In addition, this also shows that the proposed methods may be used for engineering calculation