加热环境下丙酮/丙醇液滴的三段蒸发模型  

Three Stages Evaporation Model for Propanol/Acetone Droplet under Heating

作　　者：彭政[1,2] 肖金生[1,2] WEI Jingbin SHAW Benjamin 

机构地区：[1]武汉理工大学汽车工程学院,湖北武汉430070 [2]武汉理工大学材料复合新技术国家重点实验室,湖北武汉430070 [3]University of California, Davis, California 95616

出　　处：《武汉理工大学学报（信息与管理工程版）》2008年第3期402-404,419,共4页Journal of Wuhan University of Technology：Information & Management Engineering

基　　金：教育部高等学校博士学科点专项科研基金资助项目(20050497014)

摘　　要：根据光谱穿过液滴后液滴对光谱有一定的吸收的实验原理，测量了直径在2—3mm的丙酮／丙醇液滴成分随时间的变化规律。根据液滴成分分别按照单组分蒸发模型和三段模型反推出随时间变化的液滴直径，然后与实际由视频数据处理得出的液滴实际直径做比较，结果表明，三段模型推出的理论预测值可以较好地吻合液滴实际直径。Based on the theory that a droplet will absorb some spectrum when the spectrum goes into and out of a droplet, the change of propanol/aeetone droplets initially from about 2 to 3 mm in diameter was measured. Two models were used to estimate the droplet diameter： one is estimated droplet diameter assuming that the propanol does not evaporate while the acetone evaporates ; the other is estimated droplet diameter using three stages evaporation model. The result shows that the three - stage model is qualified for estimating droplet diameter, which is in agreement with the measured diameter.

关 键 词：丙酮/丙醇液滴 蒸发模型 光谱吸收 

分 类 号：O552.6[理学—热学与物质分子运动论]