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Effect of varying aspect ratio on relative stability for graphene nanoribbon interconnects
, Article Applied Mechanics and Materials, 24 July 2012 through 26 July 2012 ; Volume 229-231 , November , 2012 , Pages 205-209 ; 16609336 (ISSN) ; 9783037855102 (ISBN) ; Faez, R ; Nasiri, S. H ; Davoodi, B ; Sharif University of Technology
2012
Abstract
Achieving dense off-chip interconnection with satisfactory electrical performance is emerging as a major challenge in advanced system engineering. Graphene nanoribbons (GNRs) have been recently proposed as one of the potential candidate materials for both transistors and interconnect. In addition, development is still underway for alternative materials and processes for high aspect ratio (AR) contacts. Studding the effect of varying aspect ratio on relative stability of graphene nanoribbon interconnects is an important viewpoint in performance evaluation of system. In this paper, Nyquist stability analysis based on transmission line modeling (TLM) for GNR interconnects is investigated. In...
Nanofluid based photovoltaic thermal systems integrated with phase change materials: Numerical simulation and thermodynamic analysis
, Article Energy Conversion and Management ; Volume 205 , 2020 ; Kazemian, A ; Ma, T ; Hakkaki Fard, A ; Peng, J ; Sharif University of Technology
Elsevier Ltd
2020
Abstract
In the current research, a three-dimensional photovoltaic thermal system integrated with phase change material system with nanofluids is investigated. The working fluids involved in this study include nano-magnesium oxide, multiwall carbon nano tube and hybrid (mixture of nano-magnesium oxide and nano-multiwall carbon nano tube) nanofluids dispersed in pure water. After comparing single-phase model and mixture model, the mixture model is used in the study and fluid flow regime in the collector is assumed to be laminar, fully develop, uniform and incompressible, to model the nanofluid in the system. A parametric analysis is conducted to examine the effect of various parameters such as working...