Techno Press


Steel and Composite Structures   Volume 24, Number 3, June30 2017, pages 359-367
DOI: http://dx.doi.org/10.12989/scs.2017.24.3.359
 
Transient heat transfer analysis of functionally graded CNT reinforced cylinders with various boundary conditions
Rasool Moradi-Dastjerdi and Gholamhassan Payganeh

 
Abstract     [Full Text]
    In this work, transient heat transfer analysis of functionally graded (FG) carbon nanotube reinforced nanocomposite (CNTRC) cylinders with various essential and natural boundary conditions is investigated by a mesh-free method. The cylinders are subjected to thermal flux, convection environments and constant temperature faces. The material properties of the nanocomposite are estimated by an extended micro mechanical model in volume fraction form. The distribution of carbon nanotube (CNT) has a linear variation along the radial direction of axisymmetric cylinder. In the mesh-free analysis, moving least squares shape functions are used for approximation of temperature field in the weak form of heat transform equation and the transformation method is used for the imposition of essential boundary conditions. Newmark method is applied for solution time depended problem. The effects of CNT distribution pattern and volume fraction, cylinder thickness and boundary conditions are investigated on the transient temperature field of the nanocomposite cylinders.
 
Key Words
    transient heat transfer analysis; carbon nanotubes; nanocomposite cylinders; mesh-free method; various boundary conditions
 
Address
(1) Rasool Moradi-Dastjerdi:
Young Researchers and Elite Club, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran;
(2) Gholamhassan Payganeh:
Department of Mechanical Engineering, Shahid Rajaee Teacher Training University (SRTTU), Tehran, Iran.
 

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