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Effect of Nano-Fiber Mat on Droplet Formation

Effect of Nano-Fiber Mat on Droplet Formation. Julie Kraus Research Advisor – Professor Alexander Yarin Main Graduate Student Advisor – Suman Ray. Why is this important?. Dropwise condensation has applications in cooling electrical systems

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Effect of Nano-Fiber Mat on Droplet Formation

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  1. Effect of Nano-Fiber Mat on Droplet Formation Julie Kraus Research Advisor – Professor Alexander Yarin Main Graduate Student Advisor – Suman Ray

  2. Why is this important? • Dropwise condensation has applications in cooling electrical systems • Retarding dropwise condensation could prevent corrosion of metals

  3. Kelvin Equation Bernoulli Equation If we assume that the liquid is incompressible Capillary Tube Symbols

  4. Kelvin Equation Capillary Tube Symbols

  5. Kelvin Equation Ideal Gas Law Capillary Tube Symbols

  6. Kelvin Equation Capillary Tube Symbols

  7. Summery Capillary Tube

  8. Implications Smooth Surface Rough Surface (nano-fiber mat)

  9. Electrospinning + Taylor Cone + - - - Charged Plate - - - - - - + + Liquid Polymer

  10. Copper Nano-fiber Mat

  11. Basic Procedure

  12. Basic Procedure

  13. Data

  14. Data Processing

  15. Data Processing

  16. Data Processing

  17. Data Processing

  18. Results

  19. Results

  20. Further Work Testing different types of fibermats Refining of the Matlab code Testing at different temperatures

  21. Questions? I would like to acknowledge the financial support from the National Science Foundation, EEC-NSF Grant # 1062943

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