葛煥彰 教授 / Huan-Jang Keh Professor

Index
葛煥彰 教授
Huan-Jang Keh
電話(02)3366-3048
傳真(02)2362-3040
電子郵件 huan@ntu.edu.tw
辦公室:208
研究室資料

膠體與界面研究室

104A; 305
(02)3366-3015; (02)3366-3053
  • 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

1.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.

  • 榮譽獎項
  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. T. H. Hsieh and H. J. Keh, “Electromagnetophoresis of a Colloidal Sphere in a Spherical Cavity”, J. Electromagn. Anal. Appl. 6, 269-279 (2014).
  2. T. C. Lee and H. J. Keh, “Diffusiophoresis of a Colloidal Sphere in Nonelectrolyte Gradients within a Spherical Cavity”, Am. J. Heat Mass Transfer 1, 130-148 (2014).
  3. H. H. Chen and H. J. Keh, “Thermophoretic Motion of a Cylindrical Particle with Chemical Reactions”, Aerosol Sci. Technol. 48, 1156-1165 (2014) (SCI,EI).
  4. H. Y. Huang and H. J. Keh, “Diffusiophoresis in Suspensions of Charged Porous Particles”, J. Phys. Chem. B 119, 2040-2050 (2015) (SCI,EI)
  5. C. C. Chiang and H. J. Keh, “Transient Electroosmosis in the Transverse Direction of a Fibrous Porous Medium”, Colloids Surfaces A 481, 577-582 (2015) (SCI,EI).
  6. L. J. Wang and H. J. Keh, “Diffusiophoresis of a Colloidal Cylinder in an Electrolyte Solution Near a Plane Wall”, Microfluid. Nanofluid. 19, 855-865 (2015) (SCI,EI).
  7. H. Y. Huang and H. J. Keh, “Electrophoretic Mobility and Electric Conductivity in Suspensions of Charge-Regulating Porous Particles”, Colloid Polymer Sci. 293, 1903-1914 (2015) (SCI,EI).
  8. C. C. Chiang and H. J. Keh, “Startup of Electrophoresis in a Suspension of Colloidal Spheres”, Electrophoresis 36, 3002-3008 (2015) (SCI,EI).
  9. H. C. Chiu and H. J. Keh, “Thermocapillary Motion of a Fluid Sphere in a Circular Tube”, Am. J. Heat Mass Transfer 3, 15-36 (2016).
  10. W. C. Li and H. J. Keh, “Electrophoretic Mobility of Charged Porous Shells or Microcapsules and Electric Conductivity of Their Dilute Suspensions”, Colloids Surfaces A 497, 154-166 (2016) (SCI,EI).
  11. H. C. Chiu and H. J. Keh, “Electrophoresis of a Colloidal Sphere with Double Layer Polarization in a Microtube”, Microfluid. Nanofluid. 20, 64-1-13 (2016) (SCI,EI).
  12. H. C. Liu and H. J. Keh, “Electrophoresis and Electric Conduction in a Suspension of Charged Soft Particles”, Colloid Polymer Sci. 294, 1129-1141 (2016) (SCI,EI).
  13. H. J. Keh, “Diffusiophoresis of Charged Particles and Diffusioosmosis of Electrolyte Solutions”, Curr. Opin. Colloid Interface Sci. 24, 13-22 (2016) (invited review article) (SCI,EI).
  14. W. C. Li and H. J. Keh, “Diffusiophoretic Mobility of Charge-Regulating Porous Particles”, Electrophoresis 37, 2139-2146 (2016) (SCI,EI).
  15. Y. C. Chang and H. J. Keh, “Thermophoresis and Photophoresis of Aerosol Cylinders with Effects of Thermal Stress Slip”, Am. J. Heat Mass Transfer 4, 85-103 (2017).
  16. H. C. Chiu and H. J. Keh, “Electrophoresis and Diffusiophoresis of a Colloidal Sphere with Double-Layer Polarization in a Concentric Charged Cavity”, Microfluid. Nanofluid. 21, 45-1-12 (2017) (SCI,EI).
  17. C. Y. Li and H. J. Keh, “Thermophoresis of a Spherical Particle in a Microtube”, J. Aerosol Sci. 113, 71-84 (2017) (SCI,EI).
  18. H. C. Chiu and H. J. Keh, “Diffusiophoresis of a Charged Particle in a Microtube”, Electrophoresis 38, 2468–2478 (2017) (SCI,EI).
  19. H. Y. Yeh and H. J. Keh, “Axisymmetric Slow Motion of a Prolate Particle in a Circular Capillary with Slip Surfaces”, Comp. Mod. Eng. Sci. 113, 361-385 (2017).
  20. C. Y. Li and H. J. Keh, “Thermophoresis of a Particle in a Concentric Cavity with Thermal Stress Slip”, Aerosol Sci. Technol., in press (2018) (SCI,EI).