@article{1640,
  author = {Zhuo Huang and Michael G Apte and Lara A Gundel},
  title = {Thermophoresis and Its Thermal Parameters for Aerosol Collection},
  abstract = {<p>The particle collection effi ciency of a prototype environmental tobacco smoke (ETS) sampler based on the use of thermophoresis is determined by optimizing the operational voltage that determines its thermal gradient. This sampler{\textquoteright}s heating element was made of three sets of thermophoretic (TP) wires 25μm in diameter suspended across a channelcut in a printed circuit board and mounted with collection surfaces on both sides. The separation between the heatingelement and the room temperature collection surface was determined in a numerical simulation based on the Brock-Talbotmodel. Other thermal parameters of this TP ETS sampler were predicted by the Brock-Talbot model for TP deposition.From the normalized results the optimal collection ratio was expressed in terms of operational voltage and fi lter mass.Prior to the Brock-Talbot model simulation for this sampler, 1.0V was used arbitrarily. The operational voltage wasraised to 3.0V, and the collection effi ciency was increased by a factor of fi ve for both theory and experiment.</p>},
  year = {2008},
  booktitle = {U.S. Department of Energy Journal of Undergraduate Research},
  journal = {U.S. Department of Energy Journal of Undergraduate Research},
  series = {U.S. Department of Energy Journal of Undergraduate Research},
  volume = {7},
  pages = {37-42},
  language = {eng},
}