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Filtering by: Creator Rücker, M. Academic Affiliation Chemical, Biological and Environmental Engineering Decade 2010-2019

Pore-scale displacement mechanisms as a source of hysteresis for two-phase flow in porous media

Creator:

Schlüter, S., Berg, S., Rücker, M., Armstrong, R. T., Vogel, H., Hilfer, R., and Wildenschild, D.

Abstract:

The macroscopic description of the hysteretic behavior of two-phase flow in porous media remains a challenge. It is not obvious how to represent the underlying pore-scale processes at the Darcy-scale in a consistent way. Darcy-scale thermodynamic models do not completely eliminate hysteresis and our findings indicate that the shape of...

Resource Type:

Article

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, M. R€ucker3,4, R. T. Armstrong5, H.-J. Vogel1,6, R. Hilfer7, and D. Wildenschild2 1Department of
Physiochemical mechanisms for the transport and retention of technetium

Creator:

Jansik, Danielle P.

Abstract:

Understanding the transport and retention of radionuclides in the environment is important for protecting freshwater supplies and minimizing impact to biologic systems. Technetium-99 (Tc⁹⁹) is a radionuclide of interest due to its long half-life (2.13 x 10⁵ years) and toxicity. In the form of pertechnetate (TcO₄⁻), Tc is expected to...

Resource Type:

Dissertation

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shallow as 6 to 40 m below ground surface nearly 50 years after the release of waste fluids (Rucker and
Investigation of the Initial Stages of SiGe(001) Dry Thermal Oxidation Using Ambient-Pressure X-ray Photoelectron Spectroscopy

Creator:

Lorona, Shane P.

Abstract:

Ambient-pressure X-ray photoelectron spectroscopy has been used to study the initial stages of dry thermal oxidation of Si₀.₆₀Ge₀.₄₀(001) grown epitaxially on Si(001). Chemical state resolved AP-XPS was performed at temperatures up to 300 ˚C and O₂ pressures up to 1 mbar. Comparisons were made to Si(001) and Ge(001). The Si...

Resource Type:

Masters Thesis

Full Text:

DMR-1429765) and the M. J. Murdock Charitable Trust. Access is provided through the Northwest

ScholarsArchive@OSU

Pore-scale displacement mechanisms as a source of hysteresis for two-phase flow in porous media

Physiochemical mechanisms for the transport and retention of technetium

Investigation of the Initial Stages of SiGe(001) Dry Thermal Oxidation Using Ambient-Pressure X-ray Photoelectron Spectroscopy

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