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【期刊论文】The Mechanism of Interfacial Mass Transfer in Gas Absorption Process*
马友光, MA Youguang, FENG Huisheng, XU Shichang and Yu Guocong
Chinese J. Chem. Eng., 11 (2) 227-230 (2003),-0001,():
-1年11月30日
Based on the method of molecular therm odynamics, them asstransfer mechanism at gas-liquid interface is studied theoretically, and a new mathematical model is proposed. Using laser holographic interference technique, the hydrodynam ics and mass transfer characteristics of CO2 absorption are meas ured. It is shown that the calculated results are in good agrement with the experimental data.
laser hologr aphic interference,, mass transfer,, gas-liquid interface,, absorption
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马友光, 马友光①, 宋宝东, 余国琮
化学工程,1997,25(4):6~8,-0001,():
-1年11月30日
界面性质对气液传质有重要髟响。分子通过界面时需克服界面自由能,界面两侧的浓度不一致。本文导出了两者之间的关系。
界面, 气液传质, 界面自由能
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马友光, 马友光②, 刘永, 成弘, 余国琼
化学工程,2000,28(2):11~12,-0001,():
-1年11月30日
界面湍动对相际传质具甫重要影响。利用显微激光垒息干涉技术研究了CO2在乙醇一水溶液中吸收过程的界面湍动情况。实验观察界面湍动强度与溶液浓度的关系。结果表明,乙醇浓度越高,界面湍动强度越大,文中对此进行了分析和讨论。
气液传质, 界面湍动, 全息干涉, Marangoni效应
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【期刊论文】Difusion of Amino Acids in non-Newtonian Fluids
马友光, ZHU Chunying, DUAN zhiqing, GAO Xiqun, MA Youguang, and YU Guocong
Chinese J. Chem. Eng., 14 (4) 450-455 (2006),-0001,():
-1年11月30日
Abstract The amino acids are necessarily nutritious components. their diflusions in body fluid and blood that be-long to typical non. Newtonian fluid are of virtual importance to control the diflusive process an d help clinical treatment. In this article. a holoaphic interferometer has been adopted to measure the diffusivity of amino acids in non. Newtonian fluid with the use of rea1. time holographic interference technique. In oIder to prove the reliability of the experimenml instrument. the diflusivities of sucrose aqueous solution at 298. 15K were determined. The meas-ured resultdisplays a satisfactory accuracyofthe apparatusused. Furthermore, thedifusion coeficients ofglynine, L. serine. L. threonine and L. valine in polyacrylamide(1 AM)aqueous solution at 298. 15K were measned, respec- tively. The experimental data were fitted by a newly propo sed correlation equation based on Li’s predictive mode1. The calculating results by me present model ale at considerably good agreement with experimental values, and the maximum average deviation is only 0.5%.
amino acid,, non., Newtonian fluid,, difusion coeficient,, holographic interferometer,, real-time,, predic-fivemodel
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马友光, 王晓红, 余国琮, 郭广平
化工学报,1998,49(6):715~720,-0001,():
-1年11月30日
对单十气泡传质的近界面浓度场影响因素进行了实验和沦研究。实时激光全息干涉法测量结果表明,运动气泡近界面浓度是一十定态值,受漉速、泡径、温度等因素影响显著;假设该传质过程达到局部平衡,进行热力学分析,得到的结论与实验结果一致。在实验测量结果的基础上,对单个CO2气泡在乙醇中吸收时的传质近界面浓度场进行了数值模拟,取得了良好的结果。
实时全息干涉, 热力学分析, 近界面浓度场, 模拟计算, 单个气泡
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