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Peter Hartmann
Por más de dos décadas, en la Región de Aisén, en la Patagonia chilena, se vienen proponiendo modelos y estrategias de desarrollo innovadoras en busca de sustentabilidad. Estas propuestas han estado acompañadas con diversos intentos de ordenamiento terri...
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Philip A. Lax, Skye Elliott, Stanislav Gordeyev, Matthew R. Kemnetz and Sergey B. Leonov
This work focused on the experimental characterization of a complex flow structure behind a cross-flow array of cylindrical pins installed on the wall of a supersonic duct. This geometry simulates several common gas dynamic configurations, such as a supe...
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Ilya Galaktionov, Julia Sheldakova, Alexander Nikitin, Vladimir Toporovsky and Alexis Kudryashov
The hybrid model for analyzing distortions of a laser beam passed through a moderately scattering medium with the number of scattering events up to 10 is developed and investigated. The model implemented the Monte Carlo technique to simulate the beam pro...
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Christopher Hartmann, Julia Schweikert, François Cottier, Ute Israel, Jochen Gier and Jens von Wolfersdorf
Experimental results for the transient heat transfer characteristics over a flat plate and over a plate with V-shaped ribs were compared to numerical results from a coupling environment applying FEM and CFD. In order to simulate transient effects in the ...
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Mubbashar Nazeer, Waqas Ali and Farooq Hussain
Problem statement: The study offers theoretical formulations for high-viscosity particulate flows in inclined reservoirs, taking into account the presence of homogeneous spheroidal particles of various types to produce discrete two-phase suspensions. Pur...
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Gergo Bendegúz Békési, Lilla Barancsuk, István Táczi and Bálint Hartmann
The work presented in this paper can be utilized by distribution system operators (DSO) in real-time operation planning and grid management on low-voltage (LV) level. The proposed techniques help in the effective usage of averaged annual consumptions (AA...
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Tesfalem Abraham, Yan Liu, Sirak Tekleab and Andreas Hartmann
Quantifying uncertainties in water resource prediction in data-scarce regions is essential for resource development. We use globally available datasets of precipitation and potential evapotranspiration for the regionalization of model parameters in the d...
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Andreas Vollmer, Michael Vollmer, Gernot Lang, Anton Straub, Alexander Kübler, Sebastian Gubik, Roman C. Brands, Stefan Hartmann and Babak Saravi
Background: Oro-antral communication (OAC) is a common complication following the extraction of upper molar teeth. The Archer and the Root Sinus (RS) systems can be used to classify impacted teeth in panoramic radiographs. The Archer classes B-D and the ...
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Alessandra Musso, Dmitry Tikhomirov, Michael L. Plötze, Konrad Greinwald, Anne Hartmann, Clemens Geitner, Fabian Maier, Fanny Petibon and Markus Egli
Soil development and erosion are important and opposing processes in the evolution of high-mountainous landscapes, though their dynamics are not fully understood. We compared soil development between a calcareous and a siliceous chronosequence in the cen...
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Mohamed M. Khader, Mohammed M. Babatin and Ahmed M. Megahed
The present study?s main focus is regarding the physical properties of a two-dimensional (2D) magneto-hydrodynamic boundary layer non-Newtonian Casson fluid flow that moves due to an exponentially expanding surface with a mixed convection heat transfer m...
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