Author
Robert Zboray
Other affiliations: Delft University of Technology, ETH Zurich, Paul Scherrer Institute
Bio: Robert Zboray is an academic researcher from Swiss Federal Laboratories for Materials Science and Technology. The author has contributed to research in topics: Neutron imaging & Neutron. The author has an hindex of 16, co-authored 75 publications receiving 886 citations. Previous affiliations of Robert Zboray include Delft University of Technology & ETH Zurich.
Topics: Neutron imaging, Neutron, Materials science, Medicine, Neutron detection
Papers published on a yearly basis
Papers
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01 Jan 2009
93 citations
TL;DR: In this article, a set of three wire-mesh sensors with a grid of 16 × 16 measuring points each was used to record conductivity distributions downstream of a T-junction.
74 citations
TL;DR: In this article, a series of 25 tests has been initiated in the large-scale thermal-hydraulic facility PANDA, in order to investigate mixing and stratification phenomena in a large multi-compartment gas volume approaching the dimensions of actual containment compartments.
57 citations
TL;DR: In this article, an extensive study of the most important hydrodynamic characteristics of fairly large-scale bubble plumes was conducted using several measurement techniques and a variety of tools to analyze the data.
45 citations
TL;DR: A fast-neutron tomography system based on an array of individual detectors and a purpose-designed compact D-D neutron generator is presented, shown to be capable of 2mm resolution, with exposure times on the order of several hours per reconstructed tomogram.
35 citations
Cited by
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TL;DR: There is, I think, something ethereal about i —the square root of minus one, which seems an odd beast at that time—an intruder hovering on the edge of reality.
Abstract: There is, I think, something ethereal about i —the square root of minus one. I remember first hearing about it at school. It seemed an odd beast at that time—an intruder hovering on the edge of reality.
Usually familiarity dulls this sense of the bizarre, but in the case of i it was the reverse: over the years the sense of its surreal nature intensified. It seemed that it was impossible to write mathematics that described the real world in …
33,785 citations
04 Jun 2008
TL;DR: In this article, a coupling methodology between an upstream Reynolds Averaged Navier-Stokes (RANS) simulation and a large eddy simulation (LES) further downstream is presented.
Abstract: Abstract A coupling methodology between an upstream Reynolds Averaged Navier–Stokes (RANS) simulation and a Large Eddy Simulation (LES) further downstream is presented. The focus of this work is on the RANS-to-LES interface inside an attached turbulent boundary layer, where an unsteady LES content has to be explicitly generated from a steady RANS solution. The performance of the Synthetic-Eddy Method (SEM), which generates realistic synthetic eddies at the inflow of the LES, is investigated on a wide variety of turbulent flows, from simple channel and square duct flows to the flow over an airfoil trailing edge. The SEM is compared to other existing methods of generation of synthetic turbulence for LES, and is shown to reduce substantially the distance required to develop realistic turbulence downstream of the inlet.
180 citations
01 Jan 2017
TL;DR: A comprehensive account of the physical foundations of collision and impact phenomena and their applications in a multitude of engineering disciplines can be found in this paper, including theoretical and applied mechanics, physics and applied mathematics, materials science, aerospace, mechanical and chemical engineering, and terminal ballistics.
Abstract: A comprehensive account of the physical foundations of collision and impact phenomena and their applications in a multitude of engineering disciplines. In-depth explanations are included to reveal the unifying features of collision phenomena in both liquids and solids, and to apply them to disciplines including theoretical and applied mechanics, physics and applied mathematics, materials science, aerospace, mechanical and chemical engineering, and terminal ballistics. Covering a range of examples from drops, jets, and sprays, to seaplanes and ballistic projectiles, and detailing a variety of theoretical, numerical, and experimental tools that can be used in developing new models and approaches, this is an ideal resource for students, researchers, and practicing engineers alike.
146 citations
TL;DR: In this article, the effects of turbulent and thermal mixing on thermal striping and thermal fatigue problems in nuclear power plants were investigated in two different testcase scenarios, and the results of the LES-like simulations were not yet fully satisfying in terms of the obtained accuracy in comparison to the detailed measurement data.
107 citations