Tomas Rosén

Research interests
Rotation of non-spherical particles in canonical flows.
Advanced nanoscale characterization of cellulose nanofibrils and nanocrystals.
Find more about Tomas' research and research interest in the recordings of webinars and presentations:

Background
Professional history
PhD student, KTH Mechanics 2011 – 2016
Thesis: Angular dynamics of non-spherical particles in linear flows related to production of biobased materials.
Postdoctoral researcher Stony Brook University (SBU)
2017 – 2019
Researcher Treesearch, KTH 2019 –
Education
KTH Master of Science in Engineering Physics 2011
Paul Scherrer Institut, Villigen, Switzerland (PSI)
Thesis: Determination of water saturation dependent gas transport properties of PEFC gas diffusion layers via the Lattice Boltzmann method.
Recent publications
[1]
T. Rosén et al.,
"Exploring nanofibrous networks with x-ray photon correlation spectroscopy through a digital twin,"
Physical review. E, vol. 108, no. 1, 2023.
[2]
V. K. Gowda et al.,
"Nanofibril Alignment during Assembly Revealed by an X-ray Scattering-Based Digital Twin,"
ACS Nano, vol. 16, no. 2, pp. 2120-2132, 2022.
[3]
R. Wang et al.,
"Unexpected Gelation Behavior of Cellulose Nanofibers Dispersed in Glycols,"
Macromolecules, vol. 55, no. 21, pp. 9527-9536, 2022.
[4]
C. Brouzet et al.,
"Effect of Electric Field on the Hydrodynamic Assembly of Polydisperse and Entangled Fibrillar Suspensions,"
Langmuir, vol. 37, no. 27, pp. 8339-8347, 2021.
[5]
T. Rosén, B. S. Hsiao and D. Söderberg,
"Elucidating the Opportunities and Challenges for Nanocellulose Spinning,"
Advanced Materials, vol. 33, no. 28, pp. 2001238, 2021.
[6]
J. Bagge et al.,
"Parabolic velocity profile causes shape-selective drift of inertial ellipsoids,"
Journal of Fluid Mechanics, vol. 926, 2021.
[7]
T. Rosén et al.,
"Shear-free mixing to achieve accurate temporospatial nanoscale kinetics through scanning-SAXS : ion-induced phase transition of dispersed cellulose nanocrystals,"
Lab on a Chip, vol. 21, no. 6, pp. 1084-1095, 2021.
[8]
T. Rosén et al.,
"Understanding ion-induced assembly of cellulose nanofibrillar gels through shear-free mixing and in situ scanning-SAXS,"
Nanoscale Advances, vol. 3, no. 17, pp. 4940-4951, 2021.
[9]
T. Rosén et al.,
"Cellulose nanofibrils and nanocrystals in confined flow : Single-particle dynamics to collective alignment revealed through scanning small-angle x-ray scattering and numerical simulations,"
Physical review. E, vol. 101, no. 3, 2020.
[10]
T. Rosén et al.,
"Cross-Sections of Nanocellulose from Wood Analyzed by Quantized Polydispersity of Elementary Microfibrils,"
ACS Nano, vol. 14, no. 12, pp. 16743-16754, 2020.