Skip to content
Per Gren
Per Gren

Per Gren

Senior Lecturer
Luleå University of Technology
Experimental Mechanics
Fluid and Experimental Mechanics
Department of Engineering Sciences and Mathematics
Per.Gren@ltu.se
+46 (0)920 491076
E807 Luleå

My research is about measurements of mechanical, acoustical and thermal properties using optical methods. Particularly development and use of methods for the study of fast and transient events like e.g. wave propagation in solids and fluids. Examples of methods that I use are Digital Speckle Photography, Pulsed TV holography, Schlieren, High-speed photography, Infrared imaging, and Laser vibrometry (LDV). For more information, see the links to Methods, Experimental equipment and Publications.

Publications

Manuscript (preprint)

Capillary bridge in contact of ice particles reveals the thin liquid film on ice (2023)

Bahaloohoreh. H, Gren. P, Casselgren. J, Forsberg. F, Sjödahl. M
Article in journal

Experimental investigation of face mask filtration in the 15–150 μm range for stationary flows (2022)

Öhman. J, Gren. P, Sjödahl. M, Lundström. S
Journal of Applied Physics, Vol. 131, nr. 4
Article in journal

Ice sintering: Dependence of sintering force on temperature, load, duration, and particle size (2022)

Bahaloohoreh. H, Eidevåg. T, Gren. P, Casselgren. J, Forsberg. F, Abrahamsson. P, et al.
Journal of Applied Physics, Vol. 131, nr. 2
Conference paper

Ice Sintering: Dependence of Sintering Force on Temperature, Load, Duration, and Particle Size (2022)

Bahaloo. H, Eidevåg. T, Gren. P, Casselgren. J, Forsberg. F, Abrahamsson. P, et al.
Part of: Svenska Mekanikdagar 2022, Luleå tekniska universitet, 2022
Conference paper

Interferometric Measurements of Airborne Droplets in the 15-150 μM Range (2022)

Öhman. J, Gren. P, Lundström. T, Sjödahl. M
Part of: Svenska Mekanikdagar 2022, Luleå tekniska universitet, 2022