Electrospinning a Thermoelectric Polymer - Materials Science and ...

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Electrospin Modeling: Determination of R j <strong>and</strong> R f relation Usually, this approximation made: R↓f =R↓j w↓p↑0.5 Derivation from volume conservation: 20 w↓p =πR↓f↑2 l↓f /πR↓j↑2 l↓j →w↓p =R↓f↑2 l↓f /R↓j↑2 l↓j Wang et. al. 2007 determined experimentally: R↓f =R↓j w↓p↑0.9653 =R↓j w↓p↑0.5 w↓p↑0.4653 ; √⁠l↓j /l↓f =w↓p↑0.4653 Extra term inverse extension ratio, dominated by solvent evaporation
Electrospin Modeling: Determination of R j <strong>and</strong> R f relation 21 (Data from El-Aufy 2004) Limited data, differing solvent evaporation ratesà No smooth fit possible
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 and 16: 15 Background: Electrospinning Und
Page 17 and 18: Electrospin Modeling: Dimensional A
Page 19: Electrospin Modeling: Experimental
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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