نتایج جستجو برای: effective thermal layer

تعداد نتایج: 1144178  

A. R. Shateri P. Elyasi

Laminar boundary layer flow and heat transfer of Newtonian nanofluid over a stretching sheet with the sheet velocity distribution of the form (Uw=CXβ) and the wall temperature distribution of the form (Tw= T∞+ axr) for the steady magnetohydrodynamic(MHD) is studied numerically. The governing momentum and energy equations are transformed to the local non-similarity equations using the appropriat...

2009
José Luis Ayala Arvind Sridhar Vinod Pangracious David Atienza Yusuf Leblebici

3D stacked chips have become a promising integration technology for modern systems. The complexity reached in multi-processor systems has increased the communication delays between processing cores, and an effective way to diminish this impact on communication is the 3D integration technology and the use of through-silicon vias (TSVs) for inter-layer communication. However, 3D chips present imp...

Journal: :iranian journal of hydrogen and fuel cell 0
ali kaflou department of advanced materials & renewable energy, iranian research organization for science and technology mona moayeri department of advanced materials & renewable energy, iranian research organization for science and technology davood sadeghi department of chemical technologies, iranian research organization for science and technology, tehran

recently, the use of renewable energies has increased to  environmental pollution, limitation of fossil energy resources and energy security  one of the means that enable us to use such energies is fuel cells (fc). however, there are many problems  in the commercialization of fc from an economically and operation perspective. one of the most important problems is heat management. new heat pipes...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
rasoul yarahmadi sayed bagher mortazavi mohammad reza omidkhah hassan asilyan parvin moridi

since nox family, one of the most important causes of air pollution, is the primary source of acid rains, ozone layer depletion, and breathing disorders, mitigation of these pollutants is now a global concern. in the off-gases of internal combustion engines running with oxygen excess, non-thermal plasmas (ntps) have an oxidative potential, which results in an effective conversion of no to no2. ...

2014
X. W. Liu A. A. Hopgood B. F. Usher

The Open University's repository of research publications and other research outputs Formation of misfit dislocations in strained-layer GaAs/In x Ga 1–x As/GaAs heterostructures during postfabrication thermal processing Journal Article (2003). Formation of misfit dislocations in strained-layer GaAs/InxGa1–xAs/GaAs heterostructures during postfabrication thermal processing. It is demonstrated th...

2008
H. M. Yin G. H. Paulino W. G. Buttlar L. Z. Sun

This work employs the self-consistent method to investigate the effective thermal conductivity distribution in functionally graded materials (FGMs) considering the Kapitza interfacial thermal resistance. A heat conduction solution is first derived for one spherical particle embedded in a graded matrix with a prefect interface. The interfacial thermal resistance of a nanoparticle is simulated by...

Journal: :Nano letters 2008
Alexander A Balandin Suchismita Ghosh Wenzhong Bao Irene Calizo Desalegne Teweldebrhan Feng Miao Chun Ning Lau

We report the measurement of the thermal conductivity of a suspended single-layer graphene. The room temperature values of the thermal conductivity in the range approximately (4.84+/-0.44)x10(3) to (5.30+/-0.48)x10(3) W/mK were extracted for a single-layer graphene from the dependence of the Raman G peak frequency on the excitation laser power and independently measured G peak temperature coeff...

Journal: :CoRR 2012
Ramya Menon C. Vinod Pangracious

Besides the lot of advantages offered by the 3D stacking of devices in an integrated circuit there is a chance of device damage due to rise in peak temperature value. Hence, in order to make use of all the potential benefits of the vertical stacking a thermal aware design is very essential. The first step for designing a thermal aware architecture is to analyze the hotspot temperature generated...

2012
DANIELA CÂRSTEA

-The problem of laminar boundary-layer flow past a flat plate is presented from the viewpoint of an engineer where the numerical results are of great interest. We compute the velocity profile in the boundary layer and other relevant physical parameters. We also compute the temperature distribution in the thermal boundary layer associated with the forced flow. We consider some algorithmic skelet...

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