Phonon Boundary Effects and Thermal Conductivity of Rough Concentric Nanowires

被引：29
|
作者：
Alvarez, F. X. [1 ]
Jou, D. [1 ,2 ]
Sellitto, A. [3 ]
机构：
[1] Univ Autonoma Barcelona, Dept Fis, Bellaterra 08193, Catalonia, Spain
[2] Inst Estudis Catalans, Barcelona 08001, Catalonia, Spain
[3] Univ Basilicata, Dept Math & Comp Sci, I-85100 Potenza, Italy
来源：
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2011年 / 133卷 / 02期
关键词：
phonon hydrodynamic; nanowires; nanosystems; thermal conductivity; ballistic transport; heat transport; SILICON NANOWIRES; HEAT-CONDUCTION; SCATTERING; TRANSPORT; FILMS; LAYERS;
D O I：
10.1115/1.4002439
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
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. [DOI:10.1115/1.4002439]
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页数：7
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