Search Results - "Hoehne, Thomas"

Verification & validation of CFD predictions regarding pressurized thermal shock (PTS) situations in ROCOM installation: Comparison with IAEA benchmark by Ayad, Fouad, Baghdad, Mohammed, Bouaichaoui, Youcef, Höhne, Thomas

“…•In order to demonstrate the ability of CFD codes to predict the complex phenomena of mixing flow, the results of numerical simulations of the ROCOM PTS…”
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IAEA CRP benchmark of ROCOM PTS test case for the use of CFD in reactor design using the CFD-Codes ANSYS CFX and TrioCFD by Höhne, Thomas, Kliem, Sören, Bieder, Ulrich

“…•ROCOM CFD-grade test data were used as an IAEA benchmark.•The CFD Codes ANSYS CFX and TrioCFD were used for validation against the benchmark.•Both CFD codes…”
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Scale resolved simulations of the OECD/NEA–Vattenfall T-junction benchmark by Hohne, Thomas

“…Mixing of fluids in T-junction geometries is of significant interest for nuclear safety research. The most prominent example is the thermal striping phenomena…”
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Numerical simulations of counter-current two-phase flow experiments in a PWR hot leg model using an interfacial area density model by Höhne, Thomas, Deendarlianto, Lucas, Dirk

“…In order to improve the understanding of counter-current two-phase flows and to validate new physical models, CFD simulations of 1/3rd scale model of the hot…”
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Modelling horizontal two-phase flows using generalized models by Höhne, Thomas, Porombka, Paul

“…•A generalized turbulence model within the AIAD framework was proposed.•The approach was validated against a horizontal two-phase flow experiment.•Important…”
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A multi-field two-fluid concept for transitions between different scales of interfacial structures by Hänsch, Susann, Lucas, Dirk, Krepper, Eckhard, Höhne, Thomas

“…► A concept for modelling multi-scale interfacial structures is presented. ► The Eulerian multi-field model includes dispersed and continuous gas phases. ►…”
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Numerical modelling of a direct contact condensation experiment using the AIAD framework by Höhne, Thomas, Gasiunas, Stasys, Šeporaitis, Marijus

“…•Direct contact condensation models at the free surface were formulated.•The approaches were validated against steam/water experiments.•The calculated surface…”
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Validation of closure models for interfacial drag and turbulence in numerical simulations of horizontal stratified gas–liquid flows by Höhne, Thomas, Mehlhoop, Jan-Peter

“…•Air–water stratified flow and slug flow in horizontal channels was simulated.•The AIAD model was used for free surface drag and turbulence closures.•Numerical…”
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Simulation of a counter-current horizontal gas-liquid flow experiment at the WENKA channel using a droplet entrainment model by Höhne, Thomas, Gabriel, Stephan

“…•A new droplet entrainment model was validated against a WENKA experiment.•High speed videometry and planar particle image velocimetry was used.•The agreement…”
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Numerical Modelling of Horizontal Oil-Water Pipe Flow by Höhne, Thomas, Rayya, Ali, Montoya, Gustavo

“…The purpose of this work is modeling of a horizontal oil–water flow with and without the Algebraic Interfacial Area Density (AIAD) model. Software and hardware…”
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Application of a new concept for multi-scale interfacial structures to the dam-break case with an obstacle by Hänsch, Susann, Lucas, Dirk, Höhne, Thomas, Krepper, Eckhard

“…•A concept for modeling transitions between different gaseous morphologies is presented.•The Eulerian multi-field model includes dispersed and continuous gas…”
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Numerical Analysis Related to the ROCOM Pressurized Thermal Shock Benchmark by Höhne, Thomas, Kliem, Sören

“…The development, verification, and validation of Computational Fluid Dynamics (CFD) codes in reference to nuclear power plant (NPP) safety has been a focus of…”
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A droplet entrainment model for horizontal segregated flows by Hohne, Thomas, Hansch, Susann

“…•We further developed the flow morphology detection model AIAD.•An advanced droplet entrainment model was introduced.•The new approach is applied against HAWAC…”
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Detailed Simulation of the Nominal Flow and Temperature Conditions in a Pre-Konvoi PWR Using Coupled CFD and Neutron Kinetics by Höhne, Thomas, Kliem, Sören

“…The aim of the numerical study was the detection of possible vortices in the upper part of the core of a Pre-Konvoi Pressurized Water Reactor (PWR) which could…”
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Numerical modeling of horizontal stratified two-phase flows using the AIAD model by Yan, Hongjie, Zhang, Huimin, Höhne, Thomas, Liao, Yixiang, Lucas, Dirk, Liu, Liu

“…In nuclear reactor safety research, the countercurrent gas-liquid two-phase flow in the hot leg of a pressurized water reactor (PWR) has attracted considerable…”
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Validation of AIAD Sub-Models for Advanced Numerical Modelling of Horizontal Two-Phase Flows by Höhne, Thomas, Porombka, Paul, Moya Sáez, Senen

“…In this work, the modelling of horizontal two-phase flows within the two-fluid Euler–Euler approach is investigated. A modified formulation of the morphology…”
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Gas–liquid countercurrent two-phase flow in a PWR hot leg: A comprehensive research review by Deendarlianto, Höhne, Thomas, Lucas, Dirk, Vierow, Karen

“…► We review the scientific progress on the CCFL in a PWR hot leg. ► It includes the experimental data, one-dimensional and CFD models in the open literatures…”
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CFD Simulation of Thermal-Hydraulic Benchmark V1000CT-2 Using ANSYS CFX by Hoehne, Thomas

“…Plant measured data from VVER-1000 coolant mixing experiments were used within the OECD/NEA and AER coupled code benchmarks for light water reactors to test…”
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Numerical modeling of a horizontal annular flow experiment using a droplet entrainment model by Höhne, Thomas, Geissler, Thomas, Bieberle, André, Hampel, Uwe

“…•A new droplet entrainment model within the AIAD framework is proposed.•The approach was validated against a horizontal annular flow experiment.•Important flow…”
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Experimental investigation and CFD simulation of horizontal stratified two-phase flow phenomena by Vallée, Christophe, Höhne, Thomas, Prasser, Horst-Michael, Sühnel, Tobias

“…For the investigation of stratified two-phase flow, two horizontal channels with rectangular cross-section were built at Forschungszentrum Dresden-Rossendorf…”
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