Effect of interface on the thermal conductivity of carbon nanotube composites |
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| Affiliation: | 1. Department of Mechanics, School of Aerospace Engineering, Beijing Institute of Technology, S. 5 Zhong-Guan-Cun Ave., Haidian District, Beijing 100081, PR China;2. Department of Mechanical Engineering, The City College of New York, 160 Convent Avenue, New York, NY 10031, USA;3. Department of Mechanical and Aerospace Engineering, Rutgers University, 57 US Highway 1, New Brunswick, NJ 08903, USA;1. Department of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran;2. New Technologies Research Center, Amirkabir University of Technology, Tehran, Iran;1. Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Department of Polymer Science and Engineering, School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China;2. College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, PR China |
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| Abstract: | ![]()
This paper presents the effect of interface on the equivalent thermal conductivity of the carbon nanotube composites. The element free Galerkin method has been utilized as a numerical tool to evaluate the thermal conductivity of the composites. The numerical results have been obtained using continuum mechanics approach for a model composite problem, and it was found that the interface has a major effect on the thermal conductivity of the composites. The effect of interface on the effective conductivity of the composite is small for short nanotubes as compared to long nanotubes. Interface thickness also plays an important role on the effective thermal conductivity of the composite. Nanotube anisotropy has got a small effect on effective thermal conductivity of the composites. Transverse thermal conductivity of the composite has got nearly linear variation with nanotube length. |
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