نتایج جستجو برای: interface thermal resistance

تعداد نتایج: 780815  

Journal: :Journal of Advanced Ceramics 2023

Effective manipulations of thermal expansion and conductivity are significant for improving operational performances protective coatings, thermoeletrics, radiators. This work uncovers determinant mechanisms symbiotic ScTaO4/SmTaO4 composites as thermal/environmental barrier coatings (T/EBCs), we consider effects interface stress resistance. The weak bonding among grains ma...

2017
Muhammad Zain-ul-abdein Hassan Ijaz Waqas Saleem Kabeer Raza Abdullah Salmeen Bin Mahfouz Tarek Mabrouki

Copper/diamond (Cu/D) composites are famous in thermal management applications for their high thermal conductivity values. They, however, offer some interface related problems like high thermal boundary resistance and excessive debonding. This paper investigates interfacial debonding in Cu/D composites subjected to steady-state and transient thermal cyclic loading. A micro-scale finite element ...

2012
Lingjiang Huang Fangfang Liu

Vernacular building is considered as sustainable in energy consumption and environment and its thermal performance is more and more concerned by researchers. This paper investigates the thermal property of the vernacular building in Lhasa by theoretical analysis on the aspects of building form, envelope and materials etc. The values of thermal resistance and thermal capacity of the envelope are...

2004
Kwang Seok Lee Graciela B. Blanchet Feng Gao Yueh-Lin Loo

Introduction Organic thin-film transistors (TFT) have received considerable attention due to promises of low manufacturing costs, ease of processibility, and extendibility to flexible circuits. The feasibility of organic TFTs has largely been demonstrated with devices that use metal source and drain electrodes, such as gold and palladium. Such devices, when fabricated in the bottom-contact (BC)...

A. Rezvani, G. Karami and M. Yaghoubi,

One of the great enemies of rubber compounds is heat. Heat will cause chemical and physical degradation of vulcanized rubber as well as a considerable loss in its strength. A major source of heat generation in a tire is due to internal friction resulting from the viscoelastic deformation of the tire as it rolls along the road. Another source of heat generation in a tire is due to its contact fr...

2012
Reimund Neugebauer Welf-Guntram Drossel André Bucht Christoph Ohsenbrügge

In this paper the authors propose and verify an approach to control heat flow in machine tool components. Thermal deformations are a main aspect that affects the accuracy of machining. Due to goals of energy efficiency, thermal basic loads should be reduced. This leads to inhomogeneous and time variant temperature profiles. To counteract these negative consequences, material with high melting e...

1999

Continuously Heated Greenhouses: A production or retail greenhouse with a constantly maintained temperature of 50 degrees F or more during winter months. Such greenhouse must also have a maintenance attendant on duty at all times or an adequate temperature alarm system to provide warning in the event of a heating system failure. In addition, the greenhouse roof material must have a thermal resi...

2017
Vikas Varshney Ajit K. Roy Jeffery W. Baur

The rapid heating of carbon-fiber-reinforced polymer matrix composites leads to complex thermophysical interactions which not only are dependent on the thermal properties of the constituents and microstructure but are also dependent on the thermal transport between the fiber and resin interfaces. Using atomistic molecular dynamics simulations, the thermal conductance across the interface betwee...

Journal: :Journal of physics 2022

Abstract The interfacial thermal resistance of the nanocontact system carbon nanotubes and nickel crystals was investigated using molecular dynamics. It found that with increase in temperature, interface gradually increased. In addition, also increases contact distance. ballistic transport phonons is proposed to be main reason for this case.

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