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葛煥彰 教授 / Huan-Jang Keh Professor

膠體與界面實驗室 Colloid and Interface Lab 一館 膠體與界面科學電動力現象流體力學輸送現象氣膠科學 Phoretic Motions of Colloidal Particles and Electrokinetic Phenomena (02)3366-3048 BLDG. I (02)3366-2587 (02)3366-3015 huan@ntu.edu.tw 102,104A 葛煥彰 Huan-Jang Keh 化工一館 CheE BLDG. I 教授 Professor 208
    • 學經歷
      • 台灣大學      化工學士,1978
      • 美國佛州大學    化工碩士,1980
      • 美國卡內基梅隆大學 化工博士,1984

     

    • 研究主題
      • 膠體粒子之泳動及電動力現象
        若施加一非均勻場(例如溫度、溶質濃度、電位等)於微、奈米粒子,此非均勻場將與粒子表面交互作用而使粒子運動,這種現象稱為「泳動」,包括帶電粒子之電泳(或相對之離子溶液電滲透)與擴散泳,液滴與氣泡之熱毛細泳,氣膠粒子之熱泳,以及半滲透囊胞之滲透泳。本研究室目前正在進行各種泳動現象的粒子與粒子間及粒子與邊界間非均勻場及流體力學交互作用以及懸浮系統及多孔介質中電動力現象之理論研究。此研究的應用領域可廣及於膠體粒子之輸送、分析與分離,微、奈米流道操作,材料製程,以及生物粒子之運動。

     

    • 最新研究
      • Thermophoretic motion of nonspherical aerosol particles (2/3) 非球形氣膠粒子之熱泳 (2/3) Huan J. Keh, sponsored by National Science Council, NSC 97-2221-E-002-075-MY3, NT$ 974,000, 8/1/2009-7/31/2011
    1. Distinguished Researcher Award (傑出特約研究員獎), National Science Council (Ministry of Science and Technology), Taiwan, ROC, 2005.
    2. Academic Award (學術獎), Ministry of Education, Taiwan, ROC, 2008.
    3. Dean, College of Engineering, National Taiwan University, 2005-2011.
    4. Excellent Teaching Awards (教學優良教師獎), National Taiwan University, 2014, 2016, 2017.
    5. International Scientific Committee Member, International Conference of Microfluidics, Nanofluidics and Lab-on-a-Chip, Dalian, China, June 2016.
    6. Member, International Advisory Board, International Symposium on Electrokinetic Phenomena – ELKIN, 2013-now.
    7. Scientific Committee Member, International Conference on Fluid Flow, Heat and Mass Transfer [FFHMT], Canada, 2016-now.
    8. Distinguished Professor (特聘教授), National Taiwan University, 2006-now.
    1. H. Y. Yeh and H. J. Keh, “Axisymmetric Slow Motion of a Prolate Particle in a Circular Capillary with Slip Surfaces", Cmes-Computer Modeling in Engineering & Sciences, 113(3), 343-366, 2017(Sep)
    2. C. Y. Li and H. J. Keh, “Thermophoresis of a particle in a concentric cavity with thermal stress slip", Aerosol Science and Technology, 52(3), 269-276, 2018(Mar), (SCI,EI)
    3. Y. Z. Yeh and H. J. Keh, “Diffusiophoresis of a charged porous shell in electrolyte gradients", Colloid and Polymer Science, 296(3), 451-459, 2018(Mar), (SCI,EI)
    4. H. C. Ma and H. J. Keh, “Diffusioosmotic Effects on Water Transport in a PEM Fuel Cell", American Journal of Heat and Mass Transfer, 5(1), 35-48, 2018(Apr)
    5. Y. C. Chiu and H. J. Keh, “Diffusiophoresis of a charged particle in a charged cavity with arbitrary electric double layer thickness", Microfluidics and Nanofluidics, 22(8), 84 (1-13), 2018(Aug), (SCI,EI)
    6. Y. C. Chang and H. J. Keh, “Thermophoresis at small but finite Peclet numbers", Aerosol Science and Technology, 52(9), 1028-1036, 2018(Sep), (SCI,EI)
    7. Y. C. Chiu and H. J. Keh, “Diffusiophoresis of a Charged Porous Particle in a Charged Cavity", Journal of Physical Chemistry B, 122(42), 9803-9814, 2018(Oct), (SCI,EI)
    8. Y. Z. Yeh and H. J. Keh, “Sedimentation Velocity and Potential in Dilute Suspensions of Charged Porous Shells", Journal of Physical Chemistry B, 122(45), 10393-10400, 2018(Nov), (SCI,EI)
    9. Y. W. Su and H. J. Keh, “Electrokinetic Flow of Salt-Free Solutions in a Fibrous Porous Medium", Journal of Physical Chemistry B, 123(45), 9724-9730, 2019(Nov), (SCI,EI)
    10. C. Y. Lin and H. J. Keh, “Sedimentation Velocity and Potential in Dilute Suspensions of Charge-Regulating Porous Spheres", Journal of Physical Chemistry B, 123(13), 3002-3009, 2019(Apr), (SCI,EI)
    11. C. Y. Li and H. J. Keh, “Axisymmetric thermophoresis of an aerosol particle in a spherical cavity", Journal of Aerosol Science, 135, 33-45, 2019(Sep), (SCI,EI)
    12. Y. C. Chang and H. J. Keh, “Diffusiophoresis of a Colloidal Cylinder at Small Finite Peclet Numbers", Colloids and Interfaces, 3(2), 44 (1-11), 2019(Jun)
    13. Y. C. Chang and H. J. Keh, “Diffusiophoresis of Colloidal Spheres at Small Péclet Numbers", Trends in Chemical Engineering, 17, 91-98, 2019(Dec)
    14. Y. M. Tseng and H. J. Keh, “Thermophoretic Motion of an Aerosol Sphere in a Spherical Cavity", European Journal of Mechanics B Fluids, 81, 93-104, 2020(Jun), (SCI,EI)
    15. Y. C. Lai and H. J. Keh, “Transient Electrophoresis of a Charged Porous Particle", Electrophoresis, 41(3), 259-265, 2020(Feb), (SCI,EI)
    16. R. H. Luo and H. J. Keh, “Electrokinetic Flow and Electric Conduction of Salt-Free Solutions in a Capillary”, Electrophoresis, 41, 1503-1508, 2020, (SCI,EI)
    17. W. C. Lin and H. J. Keh, “Diffusiophoresis in Suspensions of Charged Soft Particles”, Colloids and Interfaces, 4, 30 (1-17), 2020
    18. M. X. Li and H. J. Keh, “Start-up Electrophoresis of a Cylindrical Particle with Arbitrary Double Layer Thickness”, Journal of Physical Chemistry B, 124, 9967-9973, 2020, (SCI,EI)
    19. Y. M. Tseng and H. J. Keh, “Thermophoresis of a Cylindrical Particle at Small Finite Péclet Numbers”, Aerosol Science and Technology, 55, 54-62, 2021, (SCI,EI)
    20. C. Y. Chou and H. J. Keh, “Slow Rotation of a Particle in an Eccentric Cavity with Slip Surfaces”, European Journal of Mechanics B Fluids, 86, 150-156, 2021, (SCI,EI)