How to measure the volume fraction of granular assemblies using x-ray radiography

Baur M, Claussen J, Gerth S, Kollmer J, Shreve T, Uhlmann N, Pöschel T (2019)

Publication Type: Journal article

Publication year: 2019

Journal

Powder Technology Elsevier

Book Volume: 356

Pages Range: 439-442

DOI: 10.1016/j.powtec.2019.08.025

Abstract

When investigating dynamical processes in granular systems, it is frequently necessary to measure the time-resolved local material density. Recently, x-ray radiography facilities became available in many laboratories and can be used to measure the volume fraction via the attenuation of x-ray radiation along the beam direction. Naïve application of the Beer-Lambert law yields, however, unacceptably large systematic errors due to beam hardening. We present a calibration protocol which allows to reliably measure the local volume fraction based exclusively on reference measurement of known packing fraction.

Authors with CRIS profile

Manuel Baur Lehrstuhl für Multiscale Simulation of Particulate Systems Thorsten Pöschel Lehrstuhl für Multiscale Simulation of Particulate Systems

Involved external institutions

Universität Duisburg-Essen (UDE) DE Germany (DE) Fraunhofer-Institut für Integrierte Schaltungen (IIS) DE Germany (DE)

How to cite

APA:

Baur, M., Claussen, J., Gerth, S., Kollmer, J., Shreve, T., Uhlmann, N., & Pöschel, T. (2019). How to measure the volume fraction of granular assemblies using x-ray radiography. Powder Technology, 356, 439-442. https://dx.doi.org/10.1016/j.powtec.2019.08.025

MLA:

Baur, Manuel, et al. "How to measure the volume fraction of granular assemblies using x-ray radiography." Powder Technology 356 (2019): 439-442.

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