Publications related to Minimal State Representation for Open Fluid-Fluid Reaction Systems

Minimal state representation of homogeneous reaction systems

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

Minimal state representations are parsimonious models having no redundant states. For homogeneous reaction systems with S species, R independent reactions, p independent inlet streams and one outlet stream, a nonlinear transformation of the numbers of mole ...

2010

3D finite element model of semi-solid permeability in an equiaxed granular structure

Roland Logé

A multi-domain finite element formulation has been applied to determine the semi-solid permeability of an equiaxed granular structure. The granular model was constructed from a Voronoï tessellation algorithm. The liquid-solid interface is represented impli ...

2010

Prediction of the entrained liquid fraction in vertical annular gas–liquid two-phase flow

John Richard Thome, Andrea Cioncolini

The study considers the prediction of the entrained liquid fraction in adiabatic gas-liquid annular two-phase flow in vertical pipes. Nine empirical correlations have been tested against an experimental data bank drawn together in this study containing 150 ...

Elsevier2010

Numerical Modeling of the Conjugate Heat Transfer Problem for Annular Laminar Film Condensation in Microchannels

John Richard Thome, Stefano Nebuloni

This paper presents numerical simulations of annular laminar film condensation heat transfer in micro-channels of different internal shapes. The model, which is based on a finite volume formulation of the Navier-Stokes and energy equations for the liquid p ...

American Soc Mechanical Engineers, Three Park Avenue, New York, Ny 10016-5990 Usa2009

Compact reactor for continuous multi-phase reactions

Martin Grasemann

The objective of this thesis is the development of a compact reactor for continuous three-phase reactions in single-pass configurations. The design is based on a bubble column reactor staged with layers of catalytic material. To make the reactor suitable f ...

EPFL2009

Three-Phase Catalytic Hydrogenation of a Functionalized Alkyne: Mass Transfer and Kinetic Studies with in Situ Hydrogen Monitoring

Albert Renken, Lioubov Kiwi, Martin Grasemann

Systematic studies of mass transfer interactions with intrinsic reaction kinetics were performed for the threephase selective hydrogenation of 2-methyl-3-butyn-2-ol (MBY) to 2-methyl-3-buten-2-ol (MBE) over a modified Pd/CaC

{O}_{3}

catalyst under solvent ...

2008

Evaluated kinetic and photochemical data for atmospheric chemistry: Volume IV - gas phase reactions of organic halogen species

Michel Rossi

This article, the fourth in the series, presents kinetic and photochemical data sheets evaluated by the IUPAC Subcommittee on Gas Kinetic Data Evaluation for Atmospheric Chemistry. It covers the gas phase and photochemical reactions of organic halogen spec ...

2008

Biexciton kinetics in GaN quantum wells: Time-resolved and time-integrated photoluminescence measurements

Nicolas Grandjean, Jean-François Carlin, Raphaël Butté, Eric Feltin, Dobri Simeonov, Massimo Gurioli

We report on the experimental achievement of narrow ultraviolet excitonic and biexcitonic emission from GaN/AlGaN quantum wells. The very large biexciton binding energy (up to 12 meV) inhibits thermalization between the two species allowing to study the re ...

2008

Development of reaction calorimetry applied to supercritical CO2 and methanol-CO2 critical mixture

Frédéric Lavanchy

The combination of reaction calorimetry and supercritical fluids as reactants and/or solvent holds great potential for the optimization of chemical processes using high pressure near-critical and/or supercritical mixtures. The very specific properties of s ...

EPFL2005

Development of a novel microreactor-based calorimeter for the study of fast exothermal reactions in liquid phase

Marie-Agnès Schneider

Following several tragic chemical accidents that have occurred in recent years, some directives concerning chemical process safety have been issued. The Seveso directive, for example, requires a precise description of the consequences of a possible chemica ...

EPFL2004

Minimal State Representation for Open Fluid-Fluid Reaction Systems

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Minimal state representation of homogeneous reaction systems

3D finite element model of semi-solid permeability in an equiaxed granular structure

Prediction of the entrained liquid fraction in vertical annular gas–liquid two-phase flow

Numerical Modeling of the Conjugate Heat Transfer Problem for Annular Laminar Film Condensation in Microchannels

Compact reactor for continuous multi-phase reactions

Three-Phase Catalytic Hydrogenation of a Functionalized Alkyne: Mass Transfer and Kinetic Studies with in Situ Hydrogen Monitoring

Evaluated kinetic and photochemical data for atmospheric chemistry: Volume IV - gas phase reactions of organic halogen species

Biexciton kinetics in GaN quantum wells: Time-resolved and time-integrated photoluminescence measurements

Development of reaction calorimetry applied to supercritical CO2 and methanol-CO2 critical mixture

Development of a novel microreactor-based calorimeter for the study of fast exothermal reactions in liquid phase

Numerical Modeling of the Conjugate Heat Transfer Problem for Annular Laminar Film Condensation in Microchannels

Evaluated kinetic and photochemical data for atmospheric chemistry: Volume IV - gas phase reactions of organic halogen species

3D finite element model of semi-solid permeability in an equiaxed granular structure

Prediction of the entrained liquid fraction in vertical annular gas–liquid two-phase flow

Compact reactor for continuous multi-phase reactions

Development of reaction calorimetry applied to supercritical CO2 and methanol-CO2 critical mixture

Three-Phase Catalytic Hydrogenation of a Functionalized Alkyne: Mass Transfer and Kinetic Studies with in Situ Hydrogen Monitoring

Minimal state representation of homogeneous reaction systems

Development of a novel microreactor-based calorimeter for the study of fast exothermal reactions in liquid phase

Biexciton kinetics in GaN quantum wells: Time-resolved and time-integrated photoluminescence measurements