Zobrazeno 1 - 10
of 335
pro vyhledávání: '"F. Enzmann"'
Autor:
C. J. L. Wilson, M. Peternell, F. Salvemini, V. Luzin, F. Enzmann, O. Moravcova, N. J. R. Hunter
Publikováno v:
The Cryosphere, Vol 18, Pp 819-836 (2024)
In frozen cylinders composed of deuterium ice (Tm+3.8 ∘C) and 10 % water ice (Tm 0 ∘C), it is possible to track melt pathways produced by increasing the temperature during deformation. Raising the temperature to +2 ∘C produces water (H2O) which
Externí odkaz:
https://doaj.org/article/082d378e0db74963a617c21932014ca2
Autor:
A. Jacob, M. Peltz, S. Hale, F. Enzmann, O. Moravcova, L. N. Warr, G. Grathoff, P. Blum, M. Kersten
Publikováno v:
Solid Earth, Vol 12, Pp 1-14 (2021)
Computer X-ray microtomography (µXCT) represents a powerful tool for investigating the physical properties of porous rocks. While calculated porosities determined by this method typically match experimental measurements, computed permeabilities are
Externí odkaz:
https://doaj.org/article/00b4e716b2c5452d8c04b3542b6f5373
Autor:
K. Sell, E. H. Saenger, A. Falenty, M. Chaouachi, D. Haberthür, F. Enzmann, W. F. Kuhs, M. Kersten
Publikováno v:
Solid Earth, Vol 7, Iss 4, Pp 1243-1258 (2016)
To date, very little is known about the distribution of natural gas hydrates in sedimentary matrices and its influence on the seismic properties of the host rock, in particular at low hydrate concentration. Digital rock physics offers a unique approa
Externí odkaz:
https://doaj.org/article/c85e32ca71244cd5be9c0eab0f684b14
Publikováno v:
Solid Earth, Vol 7, Iss 4, Pp 1145-1156 (2016)
The goal of this study is to better understand the porosity and permeability in shales to improve modelling fluid and gas flow related to shale diagenesis. Two samples (WIC and HAD) were investigated, both mid-Jurassic organic-rich Posidonia shales f
Externí odkaz:
https://doaj.org/article/c5eb633a26714951bce81a8aa9c0ee58
Publikováno v:
Solid Earth, Vol 7, Iss 4, Pp 1109-1124 (2016)
Various geoscientific applications require a fast prediction of fracture permeability for an optimal workflow. Hence, the objective of the current study is to introduce and validate a practical method to characterize and approximate single flow in fr
Externí odkaz:
https://doaj.org/article/466bc0ede0df46a4ab4c3452bf7371d7
Publikováno v:
Solid Earth, Vol 7, Iss 3, Pp 917-927 (2016)
An essential part of the collaborative research project H2STORE (hydrogen to store), which is funded by the German government, was a comparison of various analytical methods for characterizing reservoir sandstones from different stratigraphic units.
Externí odkaz:
https://doaj.org/article/de5b1b2d75f04b6ab83dce229edb7b35
Publikováno v:
Solid Earth, Vol 7, Iss 2, Pp 481-492 (2016)
Image processing of X-ray-computed polychromatic cone-beam micro-tomography (μXCT) data of geological samples mainly involves artefact reduction and phase segmentation. For the former, the main beam-hardening (BH) artefact is removed by applying a b
Externí odkaz:
https://doaj.org/article/fb1e7098285a44b2926059f58f2d46f3
Autor:
F. Enzmann, M. M. Miedaner, M. Kersten, N. von Blohn, K. Diehl, S. Borrmann, M. Stampanoni, M. Ammann, T. Huthwelker
Publikováno v:
Atmospheric Measurement Techniques, Vol 4, Iss 10, Pp 2225-2234 (2011)
The air bubble structure is an important parameter to determine the radiation properties of graupel and hailstones. For 3-D imaging of this structure at micron resolution, a cryo-stage was developed. This stage was used at the tomography beamline of
Externí odkaz:
https://doaj.org/article/7ff05400fe9443acb7c2fa13c2c93554
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Akademický článek
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