François Boulogne

CNRS researcher

CNRS, Laboratoire de Physique des Solides (LPS), Paris-Saclay University

Biography

My research activities fall under the umbrella of a common theme, phase transitions in soft matter. More precisely, my topics focus on the role of solid surface roughness in shear thinning of foams; liquid evaporation in fibrous materials and under forced convection; and solidification where the morphology is governed by physical chemistry.

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Interests

Evaporation and drying
Foams
Freezing
Complex fluid flows

Education

PhD in Soft Matter, 2013

Université Pierre et Marie Curie
Accreditation to direct research (HDR), 2020

Université Paris-Saclay

Research Topics

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Last Publications

M. Corpart, J. Dervaux, C. Poulard, F. Restagno, F. Boulogne (2022). Evaporation of liquid coating a fiber. EPL.

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M. Pasquet, F. Boulogne, J. Saint-Anna, F. Restagno, E. Rio (2022). Impact of physical-chemistry on the film thinning in surface bubbles. Soft Matter.

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F. Boulogne, A. Salonen (2020). Drop freezing: fine detection of contaminants by measuring the tip angle. Applied Physics Letters.

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M. Marchand, F. Restagno, E. Rio, F. Boulogne (2020). Roughness-induced friction in liquid foams. Physical Review Letters.

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Experience

Full time researcher, CNRS

Soft Matter at interfaces group, LPS

Jan 2017 – Present Orsay, France

I joined the group Soft matter at interfaces in Laboratoire de Physique des Solides in Orsay. At this occasion, I launched new activities related to the role of physical solid surface properties on foam flows. I am also developing new topics related to phase transitions in soft matter.

Marie Curie fellow

Paris-Diderot University

Jun 2016 – Jan 2017 Paris, France

During my short stay in Laurent Limat’s group, I finalized collaborative works on the particle transport in drops by diffusiophoresis.

Marie Curie fellow

Princeton University

Aug 2013 – Jun 2016 Princeton, NJ

I spent nearly 3 years in Howard Stone’s group In Princeton. My primarily work was on the drying of colloidal suspensions with a particular focus on the drying stress measurement and the role of solvent absorption by the substrate. I also made experimental studies on the wetting of fibers and the damping of a sloshing motion by foams.

Skills

Experimental science

Python programming language

Image Processing

Teaching

Image processing in Python with scikit-image

EDPIF Jan 2017 – Jan 2020

Two days lecture for PhD students from EDPIF.

Production of scientific images is ubiquitous in many scientific disciplines as they can capture phenomena in a broad range of lengthscales, from the stars to the atom. Therefore, skills in image processing can be advantageous to perform and automate image analysis. This lecture will have a tutorial/workshop format and will mainly focus on the library scikit-image. This course will be taught in English in case of non French speaking attendees.

Publications

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M. Corpart, J. Dervaux, C. Poulard, F. Restagno, F. Boulogne (2022). Evaporation of liquid coating a fiber. EPL.

Cite ArXiv HAL DOI

M. Pasquet, F. Boulogne, J. Saint-Anna, F. Restagno, E. Rio (2022). Impact of physical-chemistry on the film thinning in surface bubbles. Soft Matter.

Cite ArXiv DOI

F. Boulogne, A. Salonen (2020). Drop freezing: fine detection of contaminants by measuring the tip angle. Applied Physics Letters.

Cite ArXiv HAL DOI