Full Content is available to subscribers

Subscribe/Learn More  >

Thermal Conductivity Prediction of Periodic Nanocomposites Using Phonon Boltzmann Equation

[+] Author Affiliations
Ronggui Yang, Gang Chen

Massachusetts Institute of Technology, Cambridge, MA

Paper No. HT-FED2004-56460, pp. 449-456; 8 pages
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 4
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4693-8 | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME


In this paper, we study theoretically the phonon thermal conductivity of nanocomposites with nanowires embedded in a host semiconductor material using the phonon Boltzmann equation. Special attention is paid for using periodic boundary conditions. The simulation shows that the temperature profiles in nanocomposites are very different from those in regular composites, due to ballistic phonon transport at nanoscale. Such temperature profiles cannot be captured by exiting models in literature. We predict the thermal conductivity dependence on the size of the nanowires, the volume fraction, and the bulk properties of the constituent materials. Comparison is also made with the thermal conductivity of superlattices. Results of this study can be used to direct the development of high efficiency thermoelectric materials.

Copyright © 2004 by ASME



Interactive Graphics


Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In