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Structural response of liquid-cooled GFRP slabs subjected to fire - Part II: Thermo-chemical and thermo-mechanical modeling

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Fuzzy Control for Enforcing Energy Efficiency in High-Performance 3D Systems

David Atienza Alonso, Mohamed Mostafa Sabry Aly, Ayse Kivilcim Coskun

3D stacked circuits reduce communication delay in multicore system-on-chips (SoCs) and enable heterogeneous integration of cores, memories, sensors, and RF devices. However, vertical integration of layers exacerbates the reliability and thermal problems, a ...

IEEE Press2010

Fire performance of water-cooled cellular GFRP columns

Thomas Keller, Yu Bai

Structural fire endurance experiments were conducted on full-scale cellular glass fiber reinforced (GFRP) columns under axial compression and subjected to ISO 834 fire exposure from one side. Unprotected columns could resist fire for more than 30 min, whic ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2010

Pultruded GFRP tubes with liquid cooling system under combined temperature and compressive loading

Thomas Keller, Yu Bai

An active fire protection system, liquid-cooling, was applied to pultruded GFRP tubes subjected to combined thermal and mechanical loading in order to maintain material temperature below the critical glass transition temperature. The use of an appropriate ...

2009

Numerical simulation of solid state phase transformations in gamma-TiAl alloys

Amin Rostamian

Gamma titanium aluminide (γ-TiAl) based alloys are very interesting materials for structural applications at elevated temperatures owing to the combination of high specific strength, good oxidation, creep and fatigue resistance. However, their relatively p ...

EPFL2009

Soudage laser or-acier

Denis Favez

In jewelry manufacturing, joining dissimilar materials is usually achieved by brazing or soldering, in which the materials comprising the joint are heated to a suitable temperature in the presence of a filler metal having a liquidus below the solidus of th ...

EPFL2009

Modeling and Dynamic Management of 3D Multicore Systems with Liquid Cooling

David Atienza Alonso, José Luis Ayala Rodrigo, Ayse Kivilcim Coskun

Three-dimensional (3D) circuits reduce communication delay in multicore SoCs, and enable efficient integration of cores, memories, sensors, and RF devices. However, vertical integration of layers exacerbates the reliability and thermal problems, and coolin ...

IEEE/IFIP Press2009

Modeling of mechanical response of FRP composites in fire

Thomas Keller, Yu Bai

A thermomechanical model is presented for predicting the time-dependent deflections of cellular FRP slab elements subjected to mechanical loading and fire from one side. The model comprises temperature-dependent mechanical property sub-models for the Young ...

2009

Parametric Normal-Mode Splitting in Cavity Optomechanics

Tobias Kippenberg, Jens Dobrindt

Recent experimental progress in cavity optomechanics has allowed cooling of mesoscopic mechanical oscillators via dynamic backaction provided by the parametric coupling to either an optical or an electrical resonator. Here we analyze the occurrence of norm ...

2008

Fire endurance of loaded and liquid-cooled GFRP slabs for construction

Thomas Keller, Craig Tracy

This paper presents an experimental study on the fire behavior of glass fiber-reinforced polymer (GFRP) load- carrying slabs for building and bridge applications. Fire experiments were performed on cellular full-scale slabs with and without internal liquid ...

2006

Fire endurance of multicellular panels in an FRP building system

Craig Tracy

Fiber-reinforced synthetic polymers (FRP) are the building materials that may permit both the improvement of long-term building performance and the simplification of the construction process. Thanks to their high specific strength, low thermal conductivity ...

EPFL2005