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Published byAldous Hall Modified over 9 years ago
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Effect of Nano-Fiber Mat on Droplet Formation Julie Kraus Research Advisor – Professor Alexander Yarin Main Graduate Student Advisor – Suman Ray
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Why is this important? Dropwise condensation has applications in cooling electrical systems Retarding dropwise condensation could prevent corrosion of metals
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Kelvin Equation Capillary Tube Symbols Bernoulli Equation If we assume that the liquid is incompressible
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Kelvin Equation Symbols Capillary Tube
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Kelvin Equation Symbols Capillary Tube Ideal Gas Law
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Kelvin Equation Symbols Capillary Tube
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Summery Capillary Tube
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Implications Rough Surface (nano-fiber mat) Smooth Surface
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Electrospinning ProsCons Very consistent fiber thickness High quality nano-fiber Does not work for every polymer Slower than most other nano-fiber fabrication methods - - - - - - - - - + + + + Liquid Polymer Taylor Cone Charged Plate
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Copper Nano-fiber Mat
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Basic Procedure
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Data
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Data Processing
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Results
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Further Work 1.Testing different types of fibermats 2.Refining of the Matlab code 3.Testing at different temperatures
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Questions? I would like to acknowledge the financial support from the National Science Foundation, EEC-NSF Grant # 1062943
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