Phonon boundary effects and thermal conductivity of rough concentric nanowires

F. X. Alvarez; D. Jou; A. Sellitto

doi:https://doi.org/10.1115/1.4002439

Phonon boundary effects and thermal conductivity of rough concentric nanowires

F. X. Alvarez, D. Jou, A. Sellitto

Research output: Contribution to journal › Article › Research › peer-review

28 Citations (Scopus)

Abstract

By using a phonon hydrodynamics model for heat flow complemented with boundary conditions for smooth or rough boundaries, we study the influence of boundary conditions on the longitudinal thermal conductivity for several kinds of nanowires (single, tubular, and core-shell). The effects of the boundaries are seen to be extremely important. © 2011 American Society of Mechanical Engineers.

Original language	English
Article number	022402
Journal	Journal of Heat Transfer
Volume	133
DOIs	https://doi.org/10.1115/1.4002439
Publication status	Published - 1 Jan 2011

Keywords

ballistic transport
heat transport
nanosystems
nanowires
phonon hydrodynamic
thermal conductivity

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abstract = "By using a phonon hydrodynamics model for heat flow complemented with boundary conditions for smooth or rough boundaries, we study the influence of boundary conditions on the longitudinal thermal conductivity for several kinds of nanowires (single, tubular, and core-shell). The effects of the boundaries are seen to be extremely important. {\textcopyright} 2011 American Society of Mechanical Engineers.",

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