Publications related to Mass transfer

Flow boiling in horizontal smooth tubes: New heat transfer results for R-134a at three saturation temperatures

John Richard Thome, Jesus Moreno Quiben, Ricardo Lima

The present study presents new flow boiling heat transfer results of R-134a flowing inside a 13.84 mm internal diameter, smooth horizontal copper tube. The heat transfer measurements were made over a wide range of test conditions: saturation temperatures o ...

2009

Modeling of thermal responses for FRP composites under elevated and high temperatures

Thomas Keller, Yu Bai, Till Vallée

Based on temperature-dependent thermo-physical property models developed previously, a one-dimensional model was proposed to predict the thermal responses of FRP composites in time and space domain, up to high temperatures. An implicit finite differential ...

2008

Decomposition of copper concentrates at high-temperatures: An efficient method to remove volatile impurities

Christian Ludwig

The thermal decomposition of three synthetic copper sulfides (chalcocite (Cu2S), chalcopyrite (CuFeS2), and enargite (Cu3AsS4)) and two commercial copper concentrates has been studied on a thermobalance (T = 1173-1773 K) and an imaging furnace (T approxima ...

Elsevier2008

Application of the Transient Heater Foil Technique for Heat Transfer Measurements

Peter Ott, Magnus Jonsson

An electrically heated foil glued on top of an acrylic wall is employed to measure convective heat transfer on turbine vane platforms. The use of a heater foil requires specific filtering techniques to obtain the searched quantities – heat transfer coeffic ...

2008

Sorption of hydrophobic organic compounds (HOC) in rapeseed oil bodies

Ian William Marison, Julien Boucher

Oil-bodies are minute plant organelles (0.5-2.0 mu m diameter) consisting of an oil core surrounded by a phospholipid monolayer/proteinaceous membrane. Oil-bodies have been isolated from rapeseed seeds and demonstrated to constitute a novel type of micro-c ...

2008

Liquid–liquid two-phaseflow patterns andmasstransfer characteristics inrectangular glassmicroreactors

Albert Renken, Lioubov Kiwi, Anne-Laure Dessimoz

The flow of two immiscible fluids was investigated in rectangular glass microchannels with equivalent diameters of 269 and 400

\mu m

. Deionised water, dyed toluene and hexane were selected as probe fluids. Flow patterns were obtained for Y- and T-junction ...

2008

Convective boiling heat transfer in a single micro-channel

Lorenzo Consolini

The current industrial need for compact high heat density cooling devices has conveyed an increasing interest on convective boiling in micro-channels. Although there is general agreement that these systems may be able to dissipate potentially very high hea ...

EPFL2008

Effect of fermionic components on trion-electron scattering

Marc-André Dupertuis

To test the validity of replacing a composite fermion by an elementary fermion, we calculate the transition rate from a state made of one free electron and one trion to a similar electron-trion pair, through the time evolution of such a pair induced by Cou ...

Elsevier2008

A new algorithm to simulate the dynamics of a glacier: theory and applications

Jacques Rappaz, Marco Picasso, Guillaume Jouvet, Heinz Blatter

We propose a novel Eulerian algorithm to compute the changes of a glacier geometry for given mass balances. The surface of a glacier is obtained by solving a transport equation for the volume of fluid (VOF). The surface mass balance is taken into account b ...

International Glaciological Society2008

Disentangling oil weathering using GCxGC. 2. Mass transfer calculations

Jeremy Samuel Arey

Hydrocarbon mass transfers to the atmosphere and water column drive the early weathering of oil spills and also control the chemical exposures of many coastal wildlife species. However, in the field, mass transfer rates of individual hydrocarbons to air an ...

2007

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Flow boiling in horizontal smooth tubes: New heat transfer results for R-134a at three saturation temperatures

Modeling of thermal responses for FRP composites under elevated and high temperatures

Decomposition of copper concentrates at high-temperatures: An efficient method to remove volatile impurities

Application of the Transient Heater Foil Technique for Heat Transfer Measurements

Sorption of hydrophobic organic compounds (HOC) in rapeseed oil bodies

Liquid–liquid two-phaseflow patterns andmasstransfer characteristics inrectangular glassmicroreactors

Convective boiling heat transfer in a single micro-channel

Effect of fermionic components on trion-electron scattering

A new algorithm to simulate the dynamics of a glacier: theory and applications

Disentangling oil weathering using GCxGC. 2. Mass transfer calculations

Flow boiling in horizontal smooth tubes: New heat transfer results for R-134a at three saturation temperatures

Decomposition of copper concentrates at high-temperatures: An efficient method to remove volatile impurities

Effect of fermionic components on trion-electron scattering

Convective boiling heat transfer in a single micro-channel

Disentangling oil weathering using GCxGC. 2. Mass transfer calculations

Modeling of thermal responses for FRP composites under elevated and high temperatures

A new algorithm to simulate the dynamics of a glacier: theory and applications

Application of the Transient Heater Foil Technique for Heat Transfer Measurements

Sorption of hydrophobic organic compounds (HOC) in rapeseed oil bodies

Liquid–liquid two-phaseflow patterns andmasstransfer characteristics inrectangular glassmicroreactors