由成核率数据拟合饱和蒸汽压力

来源 :化学物理学报 | 被引量 : 0次 | 上传用户:qiuxiang8288
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从成核率的实验数据出发,对饱和蒸汽压力进行计算拟合并应用于经典成核理论.在计算过程中,采用了最新发展的成核率模型,其中考虑了真实气体效应和核子曲率对表面张力的影响.作为比较,还从热力学平衡条件和经验方程估算了几种物质的饱和蒸汽压力.结果表明,从成核率实验数据计算拟合的饱和蒸汽压力曲线与经验方程曲线有微小的差别;在经典成核理论的应用中,基于该拟合的饱和压力方程计算的成核率更接近于实验结果.
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