A5025663685- Hybrid Renewable Energy Systems
- Computational Geometry and Mesh Generation
- Fuel Cells and Related Materials
- Computer Graphics and Visualization Techniques
- 3D Shape Modeling and Analysis
- Electrocatalysts for Energy Conversion
- Advanced Measurement and Metrology Techniques
- Solar Thermal and Photovoltaic Systems
- Modular Robots and Swarm Intelligence
- Advanced Sensor and Energy Harvesting Materials
- Sensor Technology and Measurement Systems
- Membrane-based Ion Separation Techniques
- Advanced battery technologies research
- Advanced Measurement and Detection Methods
- Advanced Numerical Analysis Techniques
- Advanced Battery Technologies Research
- IoT and Edge/Fog Computing
- Supercapacitor Materials and Fabrication
- 3D Modeling in Geospatial Applications
UCLouvain
2022-2024
University of Siegen
1999
To further reduce the capital expenditure of alkaline water electrolyzers, an improvement in power density can still be achieved through process intensification. The change from traditional gap-cells to zero-gap cells has already been proven very promising this respect. In design, macro-porous 3D structures are typically being used as electrodes. Here, pure nickel foams with different pore sizes range 450 – 3000 µm have studied under well-controlled electrolyte flow conditions. end, a...
Abstract A zero‐gap cell with porous electrodes is a promising configuration for alkaline water electrolysis. However, gas evacuation becomes challenge in that case, as bubbles can get trapped within the electrode's 3D structure. This work considers number of printed electrode geometries so‐called triply periodic minimal surfaces (TPMS). The latter mathematically defined structure repeats itself three dimensions zero mean curvature, and therefore be expected to particularly well‐suited...
For high rate water electrolysers, minimising Ohmic losses through efficient gas bubble evacuation away from the active electrode is as important activation by improving electrode's electrocatalytic properties. In this work, a combined experimental and computational fluid dynamics (CFD) approach, we identify topological parameters of flow-engineered 3-D electrodes that direct their performance towards enhanced evacuation. particular, show integrating Ni-based foam into laterally-graded...
We propose an end-to-end pipeline to robustly generate high-quality quadrilateral meshes for complex CAD models. An initial quad-dominant mesh is generated with frontal point insertion guided by a locally integrable cross field and scalar size map adapted the small features. After triangle combination midpoint-subdivision into all-quadrilateral mesh, topology of modified reduce number irregular vertices. The idea preserve vertices matching cross-field singularities eliminate others....
To mitigate the challenges posed by anthropogenic climate interference, substantial efforts are imperative in order to limit rise global average temperature. One major declaration made international community through various agreements [1,2] calls for an elimination of greenhouse gas emissions, necessitating a shift from fossil fuels sustainable renewable energy sources. Hydrogen and hydrogen-based emerge as promising candidates decarbonize wide range sectors – including transport, industry...
In today’s world, concern is growing about the future of energy. Despite very ambitious international climate goals by 2050, global energy-related carbon dioxide (CO 2 ) emissions keep increasing. order to tackle this problem, hydrogen (H might become a significant part solution since it way produce, store, move and use energy in clean way. However, more than 95% actual production made grey hydrogen, e.g. H produced from fossil fuels, which leads high CO [1]. One decarbonise vector renewable...
Abstract Quadrilateral meshes offer certain advantages compared to triangular ones, such as reduced number of elements and alignment with problem-specific directions. We present a pipeline for the generation quadrilateral on complex geometries. It is based two key components: robust surface meshing efficient indirect conversion mesh an all-quad one. The input valid geometric mesh, i.e., triangulation that accurately represents geometry model. A right-angled initially created by continuously...
With this publication a high-processing non-contact distance sensor for heavy accessible movable components in industrial machines and engines is presented. A lot of systems exist measurement. Most them have rectangular casing it not possible to use every environment. Another disadvantage the slow signal processing which makes impossible high-speed motions. The common CCD sensors can only run with ca 5kHz measuring rate. Additional relation resolution measurement range too low actual used...
With this publication a precision blood-leak-detector is presented. The used for recognition of fractures in the dialyzer kidney-machine. It has to detect safely blood flow ml/min exclude any risk patient. A lot systems exist blood-leak-detection. All them use same principle. They light absorption dialyze fluid. actual detectors are inferior new developed sensor resolution and long-time stability. Regular test existing high failure rates responsible maintenance.