Search Results - "Bieberle, Andre"

Experimental investigation of the influence of column scale, gas density and liquid properties on gas holdup in bubble columns by Rollbusch, Philipp, Becker, Marc, Ludwig, Martina, Bieberle, Andrè, Grünewald, Marcus, Hampel, Uwe, Franke, Robert

“…•Highlights the need for experimental data at processing conditions.•Utilized organic solvents at large scale and pressurized conditions.•Investigated…”
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Distributor Effects on Liquid Hold-Up in Rotating Packed Beds by Pyka, Tobias, Bieberle, André, Loll, Rouven, Held, Christoph, Schubert, Markus, Schembecker, Gerhard

“…Although it is known that a loss in separation performance is caused by liquid maldistribution, there is only marginal knowledge of liquid distribution in…”
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Guidance for Measuring the Axial Gas Dispersion Coefficient in Bubble Columns via Gas Flow Modulation by Marchini, Sara, Bieberle, André, Schubert, Markus, Hampel, Uwe

“…The gas flow modulation technique (GFM) is a novel noninvasive approach for measuring the axial gas dispersion coefficient in bubble columns. The approach…”
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Sensing Strategies for Determining the Axial Gas Dispersion Coefficient in Bubble Columns via Gas Flow Modulation Technique by Marchini, Sara, Bieberle, André, Schleicher, Eckhard, Schubert, Markus, Hampel, Uwe

“…The gas flow modulation technique (GFM) is a recently proposed approach for measuring the axial gas dispersion coefficient in bubble columns. It is based on a…”
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Novel Liquid Distributor Concept for Rotating Packed Beds by Pyka, Tobias, Brunert, Manuel, Koop, Jörg, Bieberle, André, Held, Christoph, Schembecker, Gerhard

“…Multi-rotor RPBs (MR-RPBs) are a promising way to intensify mass transfer by exploiting the centrifugal field while achieving high separation performance…”
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Uncertainty analysis of gamma-ray densitometry applied for gas flow modulation technique in bubble columns by Marchini, Sara, Bieberle, André, Schubert, Markus, Hampel, Uwe

“…•Experimental uncertainty in measured amplitude and phase are quantified.•Impact of the detector size on uncertainty is evaluated.•An approach for selecting…”
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Real-time data processing for ultrafast X-ray computed tomography using modular CUDA based pipelines by Windisch, Dominic, Kelling, Jeffrey, Juckeland, Guido, Bieberle, André

“…In this article, a new version of the Real-time Image Stream Algorithms (RISA) data processing suite is introduced. It now features online detector data…”
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Investigation on flow morphology and heat transfer for high-pressure steam condensation in an inclined tube at low inlet steam qualities by Boden, Stephan, Hampel, Uwe, Pietruske, Heiko, Bieberle, André

“…•A detailed examination of flow morphology and heat transfer during steam condensation in a single inclined condenser tube was performed for pressures up to…”
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Analysis of Flow Patterns in Structured Zickzack Packings for Rotating Packed Beds Using γ‑Ray Computed Tomography by Loll, Rouven, Nordhausen, Lisa, Bieberle, André, Schubert, Markus, Pyka, Tobias, Koop, Jörg, Held, Christoph, Schembecker, Gerhard

“…Rotating packed beds (RPBs) are increasingly used in academia and industry for separation processes, but a lack of knowledge about fluid dynamics and liquid…”
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Investigations on bubbly two-phase flow in a constricted vertical pipe by Neumann-Kipping, Martin, Bieberle, André, Hampel, Uwe

“…•Experimental benchmark data of 3D gas-liquid two-phase flow fields in a pipe•Flow field analyses of two flow constrictions halving the pipes…”
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Modular and Cost-Effective Computed Tomography Design by Bieberle, André, Hoffmann, Rainer, Döß, Alexander, Schleicher, Eckhard, Hampel, Uwe

“…We present a modular and cost-effective gamma ray computed tomography system for multiphase flow investigations in industrial apparatuses. It mainly comprises…”
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Experimental Investigations and Numerical Assessment of Liquid Velocity Profiles and Turbulence for Single- and Two-phase Flow in a Constricted Vertical Pipe by Tas-Koehler, Sibel, Neumann-Kipping, Martin, Liao, Yixiang, Bieberle, André, Hampel, Uwe

“…•The performance of different turbulence models is presented for 3D flow conditions.•For comparison, simulations are performed for both single- and two-phase…”
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Simplified Beam Hardening Correction for Ultrafast X-ray CT Imaging of Binary Granular Mixtures by Bieberle, Martina, Papapetrou, Theodoros Nestor, Lecrivain, Gregory, Windisch, Dominic, Bieberle, André, Wagner, Michael, Hampel, Uwe

“…Ultrafast X-ray computed tomography is an advanced imaging technique for multiphase flows. It has been used with great success for studying gas-liquid as well…”
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Advanced flow profiler for two-phase flow imaging on distillation trays by Vishwakarma, Vineet, Schleicher, Eckhard, Bieberle, André, Schubert, Markus, Hampel, Uwe

“…[Display omitted] •A new multi-probe flow profiler designed for distillation trays is proposed.•The profiler essentials and data processing techniques are…”
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Multi-channel Detector Module for Multi-energy Gamma Ray Computed Tomography by Bieberle, André, Berger, Ronny, Stave, Philipp, Hampel, Uwe

“…In this paper an enhanced signal processing electronics for an existing multi-channel detector module for gamma ray computed tomography is presented. The…”
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FPGA-Based Real-Time Data Acquisition for Ultrafast X-Ray Computed Tomography by Windisch, Dominic, Knodel, Oliver, Juckeland, Guido, Hampel, Uwe, Bieberle, Andre

“…Ultrafast X-ray computed tomography (UFXCT) is a fast tomographic imaging technique based on the principle of electron beam scanning. It is used for the…”
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A Smart Multi-Plane Detector Design for Ultrafast Electron Beam X-ray Computed Tomography by Bieberle, André, Windisch, Dominic, Iskander, Kerolos, Bieberle, Martina, Hampel, Uwe

“…In this paper, a smart detector design for novel multi-plane ultrafast electron beam X-ray computed tomography is presented. The concept is based on…”
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Identification of the process windows of inclined rotating fixed-bed reactors with concentric tube – A hydrodynamic analysis by Timaeus, Robert, Schleicher, Eckhard, Bieberle, André, Hampel, Uwe, Schubert, Markus

“…[Display omitted] •Process window of an inclined rotating fixed-bed reactor was identified.•A capacitance wire-mesh sensor was adapted to the rotating…”
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Parallel Algorithm for Connected-Component Analysis Using CUDA by Windisch, Dominic, Kaever, Christian, Juckeland, Guido, Bieberle, André

“…In this article, we introduce a parallel algorithm for connected-component analysis (CCA) on GPUs which drastically reduces the volume of data to transfer from…”
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Experimental investigations on a common centrifugal pump operating under gas entrainment conditions by Schäfer, Thomas, Neumann, Martin, Bieberle, André, Hampel, Uwe

“…•The pump performance has been evaluated for several gas entrainment conditions.•The gas entraining flow regime has a large impact on the pump…”
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