Electrospinning a Thermoelectric Polymer - Materials Science and ...

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16 Whipping vs. Axisymmetrical Modes Decreasing Applied Electric Field POLYMER ENGINEERING AND SCIENCE, 2005, 705 Take-home message: Balance of electromechanical stresses with intrinsic stresses within fluid (viscosity/capillary stresses) lead to formation of stable jet
Electrospin Modeling: Dimensional Analysis (Helgeson et. al. 2008) Π= (ε−ε↓0 )E↑2 R↓j↑3 /π η↓e Q Oh=η↓0 /(ργR↓j )↑0.5 captures the jet dynamics during the streching regime captures free resistance to jet breaking up into droplets <strong>and</strong> surface flow disturbances which lead to capillary breakup Simplified expression (Helgeson et. al. 2007)
Page 1 and 2: ENMA490 Spring 2012 By: Natan Aronh
Page 3 and 4: 3 Thermoelectrics Bismuth Tellurid
Page 5 and 6: 5 Intellectual Merit Extend dimens
Page 7 and 8: 7 Basic Design High V Power Source
Page 9 and 10: 9 Material Selection Electrospin P
Page 11 and 12: 11 Technical Approach: VRH We will
Page 13 and 14: 13 Technical Approach: VRH Using im
Page 15: 15 Background: Electrospinning Und
Page 19 and 20: Electrospin Modeling: Experimental
Page 21 and 22: Electrospin Modeling: Determination
Page 23 and 24: Electrospin Modeling: Dimensional A
Page 25 and 26: Effect of viscosity: Too low visco
Page 27 and 28: Viscosity Tests on Clevios Solution
Page 29 and 30: 29 TE Modeling Results: σ ll (S/ c
Page 31 and 32: 31 Conclusions: Thermoelectric Goal
Page 34 and 35: Facilities Dr. Hu - electrospinnin
Page 36 and 37: References [1] Nidhi Dubey and Mar

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