Measurement in opaque flows: a review of measurement techniques for dispersed multiphase flows
C Poelma - Acta Mechanica, 2020 - Springer
A review is presented of measurement techniques to characterise dispersed multiphase
flows, which are not accessible by means of conventional optical techniques. The main …
flows, which are not accessible by means of conventional optical techniques. The main …
Reynolds stress tensor measurements using magnetic resonance velocimetry: expansion of the dynamic measurement range and analysis of systematic …
This study presents magnetic resonance velocimetry (MRV) Reynolds Stress measurements
in a periodic hill channel with a hill Reynolds number of Re= 29,500. The velocity encoding …
in a periodic hill channel with a hill Reynolds number of Re= 29,500. The velocity encoding …
Commissioning of an MRI test facility for CFD-grade flow experiments in replicas of nuclear fuel assemblies and other reactor components
M Bruschewski, K John, C Wüstenhagen… - … Engineering and Design, 2021 - Elsevier
A new test facility is presented, enabling single-phase isothermal fluid mechanics
experiments to support nuclear reactor safety studies. The applied measurement technique …
experiments to support nuclear reactor safety studies. The applied measurement technique …
Flow analysis in a 37-pin wire-wrapped rod bundle for sodium-cooled fast reactor using magnetic resonance velocimetry. I. Validation and gross behavior
The sodium-cooled fast reactor (SFR), a fourth-generation nuclear reactor, utilizes liquid
sodium as a coolant and offers advantages like operation at atmospheric pressure and the …
sodium as a coolant and offers advantages like operation at atmospheric pressure and the …
Valvular regurgitation flow jet assessment using in vitro 4D flow MRI: Implication for mitral regurgitation
Purpose The purpose of this study was to evaluate the accuracy of four‐dimensional (4D)
flow MRI for direct assessment of peak velocity, flow volume, and momentum of a mitral …
flow MRI for direct assessment of peak velocity, flow volume, and momentum of a mitral …
Assessment of the Flow Field and Heat Transfer in a Vane Cooling System Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals, and …
M Bruschewski, C Wüstenhagen… - Journal of …, 2023 - asmedigitalcollection.asme.org
Computational fluid dynamics (CFD) is the standard tool in the turbomachinery industry to
analyze and optimize internal cooling systems of turbine components, but the code applied …
analyze and optimize internal cooling systems of turbine components, but the code applied …
Flow analysis in a 37-pin wire-wrapped rod bundle for sodium-cooled fast reactor using magnetic resonance velocimetry. II. Detailed characterization and influence of …
In Paper I, we presented comprehensive three-dimensional, three-component (3D, 3C)
mean velocity profiles obtained through magnetic resonance velocimetry (MRV) within a 37 …
mean velocity profiles obtained through magnetic resonance velocimetry (MRV) within a 37 …
Equivalent scalar stress formulation taking into account non-resolved turbulent scales
L Konnigk, B Torner, M Bruschewski… - Cardiovascular …, 2021 - Springer
Purpose Cardiovascular engineering includes flows with fluid-dynamical stresses as a
parameter of interest. Mechanical stresses are high-risk factors for blood damage and can …
parameter of interest. Mechanical stresses are high-risk factors for blood damage and can …
Magnetic Resonance Velocimetry for porous media: sources and reduction of measurement errors for improved accuracy
A Ricke, M Sadeghi, W Dreher - Experiments in Fluids, 2023 - Springer
Abstract Nuclear Magnetic Resonance (NMR) is a powerful tool for noninvasively
investigating static and dynamic properties of fluids inside complex and opaque structures …
investigating static and dynamic properties of fluids inside complex and opaque structures …
An Eulerian formulation for the computational modeling of phase‐contrast MRI
Purpose Computational simulation of phase‐contrast MRI (PC‐MRI) is an attractive way to
physically interpret properties and errors in MRI‐reconstructed flow velocity fields. Recent …
physically interpret properties and errors in MRI‐reconstructed flow velocity fields. Recent …