Publication

Effect of hot spots in microstructured reactors on product distribution during quasi-instantaneous exothermic reactions

Publications associées (100)

Adiabatic Passage of Light in CMOS-Compatible Silicon Oxide Integrated Rib Waveguides

A fully complementary metal-oxide-semiconductor-compatible adiabatic passage of light in the visible range is presented in this letter. We experimentally show that a system of three total internal reflection waveguides, which has been defined by using non- ...

2012

Extents of Reaction and Mass Transfer in the Analysis of Chemical Reaction Systems

Nirav Pravinbhai Bhatt

Monitoring, control and optimization of chemical reaction systems often requires in-depth analysis of the underlying reaction mechanisms. This dissertation investigates appropriate tools that facilitate the analysis of homogeneous and gas-liquid reaction s ...

EPFL2011

Intensification of Gas/Liquid Chemical Synthesis Using Microreactors and New Operating Windows

Anne-Laure Dessimoz

Process intensification is a vibrating topic in the field of chemical engineering. Its aim is to develop processes and methods with increased performance for a given chemical transformation at decreased energy consumption and waste production. Among all me ...

EPFL2011

Gas-liquid and liquid-liquid mass transfer in microstructured reactors

Albert Renken, Lioubov Kiwi, Madhvanand Namadeo Kashid

This article is a comprehensive overview of gas-liquid and liquid-liquid mass transfer in microstructured reactors (MSR). MSR are known to offer high heat and mass transfer rates for two phase systems due to high surface to volume ratio as compared to conv ...

Elsevier2011

Microstructured reactors and supports for ionic liquids

Albert Renken, Lioubov Kiwi, Madhvanand Namadeo Kashid

Different types of microstructures and their applicationswith respect to the synthesis and the use of ionic liquids are presented. Microstructured reactors are suitable for reactions with fast intrinsic kinetics, requiring high mass and heat transfer perfo ...

Elsevier2011

High-pressure and high-temperature x-ray diffraction cell for combined pressure, composition, and temperature measurements of hydrides

Philippe Mauron

We present the design and construction of a high-pressure (200 bars) and high-temperature (600 °C) x-ray diffraction (XRD) cell for the in situ investigation of the hydrogen sorption of hydrides. In combination with a pressure, composition, and temperature ...

2011

Application of Photoluminescent Measurement Techniques for Quantitative Assessment of Turbine Film Cooling

Magnus Jonsson

Reduction of the specific fuel consumption of gas turbines can be achieved by maximizing the turbine inlet temperature. However, this requires a detailed understanding of the cooling performance in order to ensure safe and economical operation of the engin ...

EPFL2010

Improvement of the Decay Heat Removal Characteristics of the Generation IV Gas-cooled Fast Reactor

Aaron Simon Epiney

Gas cooling in nuclear power plants (NPPs) has a long history, the corresponding reactor types developed in France, the UK and the US having been thermal neutron-spectrum systems using graphite as the moderator. The majority of NPPs worldwide, however, are ...

EPFL2010

Heat Transfer Measurements in a Turbine Cascade: Taking Advantage of the Thermal Bahaviour of a PSP Sensor

Peter Ott, Magnus Jonsson

Film cooling experiments are commonly performed with Pressure Sensitive Paint (PSP). The oxygen sensitive probe molecules allow for measurement of the adiabatic film cooling effectiveness by detecting the concentration of a tracer-gas with different oxygen ...

2010

A novel compact reactor for three-phase hydrogenations

Albert Renken, Lioubov Kiwi, Madhvanand Namadeo Kashid, Martin Grasemann

A novel reactor based on a bubble column staged by structured catalytic layers with integrated cross flow micro-heat-exchangers (HEX) was designed and tested in the solvent free hydrogenation of 2-methyl-3-butyn-2-ol (MBY) aiming on process intensification ...

Elsevier2010

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