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Lecturer(s)
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Lukáš David, prof. RNDr. CSc.
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Course content
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1. Introduction to electrostatics and capillarity 2. Operators of vector calculus in Cartesian, cylindrical and spherical coordinates 3. Vector number operators in cylindrical and spherical coordinates 4. Constitutive equations, equations of continuity, Euler and Navier-Stokes equation 5.Speed potential 6. Dispersion laws for gravitational and capillary waves 7. Rayleigh-Plateau instability of non-viscous liquids 8. Dispersion laws for capillary wave in the external electrostatic field 9. Dispersion laws for viscous liquids 10. Technology of drawing of individual nanofibers 11. Determination of curvatures using a divergence of a normal 12. Rayleigh-Plateau instability of viscous liquids 13. Evaporation of solvents from polymer nozzles 14. Linear stability analysis of thin liquid film on wire
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Learning activities and teaching methods
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Self-study (text study, reading, problematic tasks, practical tasks, experiments, research, written assignments), Independent creative and artistic activities, Individual consultation, Seminár
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Learning outcomes
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The aim of the course is to develop the ability to conduct research in the field of nanofibrous technologies, which requires a deep knowledge of physics and especially of hydrodynamics and electro-hydrodynamics. The subject acquaints students with related fields of science and research and leads to gaining experience from research work. In order to develop the above-mentioned critical abilities, the study subject has two parts: the transfer of knowledge and skills through self-study, seminars and consultations, and a laboratory work that develops knowledge in the field in question. Through these forms of study PhD students gains the following skills that form the basis of their future career in research and development oriented to nanofibrous materials: - expertise in the production of nanofibers; - ability to critically read and understand, scientific articles, reports and monographs; - ability to identify research problems in the field; - ability to formulate correctly problems regarding nanofibers production; - ability to independently conduct research on the production of nanofibers; - ability to write and present their own results
The student will acquire detailed knowledge of the subject in the area according to the approval of the Branch Board
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Prerequisites
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Unspecified
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Assessment methods and criteria
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Oral exam
oral examination before a committee appointed by the Dean. Written work in the recommended range of 20 pages.
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Recommended literature
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A.L. Andrady. Science and Technology of Polymer Nanofibres.
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D. H. Reneker and H. Fong. Polymeric nanofibres.
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L.D. Landau & E.M. Lifshitz. Fluid Mechanics.
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LUKÁŠ, D., SARKAR, A., MARTINOVÁ, L., et al. Physical Principles of Electrospinning. Textile Progres. 41(2), 59-140, 2009. ISBN 9780415558235.
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RAMAKRISHNA S. et al. An Introduction to Electrospinning and Nanofibers. Singapore: World Scientific Publishing Co. Pte. Ltd., 2005. ISBN 981-256-415-5.
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RENEKER, D.H., YARIN A.L. Electrospinning Jets and Polymer Nanofibres. Polymer. 49(10), 2387-2425, 2008.
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S. Chandrasekhar. Hydrodynamic and Hydromagnetic Stability.
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Y. Filatov, A. Budyka, and V. Kirichenko. Electrospinning of micro- and nanofibres: fundamentals in separation and filtration processes, Begell House Inc., Redding, 2007.
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