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Study of Powder Filling Using Experimental and Numerical Methods
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Number of Authors: 4
2016 (English)Conference paper (Refereed)
Abstract [en]

This work covers both experimental measurements and numerical modelling of powder filling. Experimental measurements with digital speckle photography (DSP) are used to study powder flow during die filling. DSP measurements are realized by recording the powder filling process with a high speed video camera. The image series are then evaluated using an image correlation technique. By this, velocity and strain field data during the filling process can be visualised. DSP measurements are also supporting the development of a numerical model of the process. In this work the smoothed particle hydrodynamics (SPH) method is used to model the powder filling process. The numerical results are similar compared to the DSP measurements when comparing velocity fields during powder filling. The SPH model is further used to evaluate the density distribution after filling. Experimental measurements combined with simulation are powerful tools to increase the knowledge of the powder filling process.

Place, publisher, year, edition, pages
2016.
National Category
Applied Mechanics
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-60482OAI: oai:DiVA.org:ltu-60482DiVA: diva2:1047077
Conference
World PM2016 Congress & Exhibition, Hamburg, October 9-13 2016
Available from: 2016-11-16 Created: 2016-11-16 Last updated: 2016-12-06Bibliographically approved

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Larsson, SimonGustafsson, GustafJonsen, PärHäggblad, Hans-åke
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