Relevant bibliographies by topics / Porous European mix (PEM)

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Academic literature on the topic 'Porous European mix (PEM)'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Porous European mix (PEM)"

1

Xie, Zhaoxing, and Junan Shen. "Performance of porous European mix (PEM) pavements added with crumb rubbers in dry process." International Journal of Pavement Engineering 17, no. 7 (2015): 637–46. http://dx.doi.org/10.1080/10298436.2015.1011783.

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Utsch, Nikolai, Florian Berg, Fabian Scheepers, et al. "Quantifying Sheet Resistance and in-Plane Electrical Resistivity of PEM Water Electrolyzer Components." ECS Meeting Abstracts MA2023-02, no. 37 (2023): 1756. http://dx.doi.org/10.1149/ma2023-02371756mtgabs.

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PEM water electrolysis is a promising technology for renewable hydrogen production. However, improving the performance and efficiency of PEM water electrolyzers requires a thorough understanding of the properties and behavior of their components. Here we present a robust and effective method for determining the sheet resistance of porous electrodes commonly used in technologies such as PEM water electrolyzers. For this, a new analysis method was developed that relies on industrial printed circuit boards, allowing resistance measurements at ten different length scales ranging from 250 µm to 250
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Praticò, Filippo Giammaria, Rosolino Vaiana, Marinella Giunta, Teresa Iuele, and Antonino Moro. "Recycling PEMs back to TLPAs: Is that Possible Notwithstanding RAP Variability?" Applied Mechanics and Materials 253-255 (December 2012): 376–84. http://dx.doi.org/10.4028/www.scientific.net/amm.253-255.376.

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Porous European mixes, PEMs, are porous asphalts which when compacted have an air void content usually in excess of 20%. PEMs points of strength are reduction of splash and spray, mitigation of outdoor noise, optimization of skid resistance at high speeds in wet conditions. Conversely, PEMs have quite low bearing properties, clogging, variation of volumetrics over the time, variation of noise, texture, friction, and permeability performance over the time. Furthermore, at the end of their lifecycle many issues arise: RAP variability, uncertainties on the potential for high percentage recycling,
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Katzer, Jacek, Janusz Kobaka, and Tomasz Ponikiewski. "Influence of Crimped Steel Fibre on Properties of Concrete Based on an Aggregate Mix of Waste and Natural Aggregates." Materials 13, no. 8 (2020): 1906. http://dx.doi.org/10.3390/ma13081906.

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This research was inspired by the growing global shortage of natural aggregates. Different types of waste ceramics (apart from recycled concrete) are the most popular materials for the production of waste aggregates as possible substitutes for natural ones. The aim of this research was to analyse the efficiency of different aggregate mixes composed of waste and natural materials focusing on two waste ceramic aggregates, which were prepared concrete mixes based on specifically composed aggregates (blend of natural aggregate, porous and iron oxide-rich (red) waste ceramic aggregate, and dense, k
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Prokop, Martin, Miroslav Hala, Martin Vesely, et al. "The Impact of Catalyst Layer Fabrication Procedure on Layer Morphology, Transport Properties and Performance in Low-Temperature PEM Fuel Cell." ECS Meeting Abstracts MA2024-01, no. 36 (2024): 2013. http://dx.doi.org/10.1149/ma2024-01362013mtgabs.

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Hydrogen mobility represents a progressive, low carbon imprint option for the replacement of internal combustion engines. A core of this technology is low-temperature fuel cell with proton-exchange membrane (LTPEMFC), using hydrogen and atmospheric oxygen as fuel and oxidant, respectively. The membrane-electrode assembly (MEA) which makes up a cell consists of polymer electrolyte membrane, cathodic and anodic catalyst layers and carbon-based porous gas-diffusion layers. LTPEMFC require Pt catalyst on both the anode and the cathode in non-negligible total amount, increasing investing costs for
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Hnat, Jaromir, Karel Denk, Roman Kodým, Martin Paidar, and Karel Bouzek. "Characterisation of the Operational Parameters of the Laboratory-Scale Membrane Alkaline Water Electrolysis Stack." ECS Meeting Abstracts MA2022-01, no. 26 (2022): 1227. http://dx.doi.org/10.1149/ma2022-01261227mtgabs.

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Alkaline water electrolysis utilising porous diaphragm type separator of the electrode compartments represents industrially well-established technology of hydrogen production. This is due to the durable and stable operation utilizing abundant materials as iron, nickel, or stainless steel. However, many of the designs, construction solutions and approaches originate in the historical demands on the process (like mentioned durability rather than flexibility) and do not reflect up to date demands. Current demands on water electrolysis are given by the expected connection of water electrolysis tec
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Lee, Ming Gin, Wen Cheng Wang, Yung Chih Wang, Yao Tung Hsieh, and Tuz Yuan Huang. "Preliminary Study of Fire Damage on Pervious Concrete with Silica Fume and Steel Fiber." Key Engineering Materials 880 (March 2021): 155–60. http://dx.doi.org/10.4028/www.scientific.net/kem.880.155.

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Pervious concrete pavement is a porous urban surface. It could reduce runoff capacity, decrease a storm-water detention, reduce the amount of requiring rain drainage pipes, and let rainwater filter into ground and allow groundwater resources to renew in time. Fire damage, could be one of important factors since European countries have been used pervious concrete in buildings construction. This study was conducted to assess the fire damage on pervious concrete with silica fume and steel fiber. The test results find that pervious concrete with 10% silica fume and 2% steel fibers showed the maxim
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Bouzek, Karel, Martin Prokop, and Monika Drakselova. "Methodology of the PEM FC Gas Diffusion Layer Permeability Determination and Its Description Related to the Fuel Cell Flow Field Design." ECS Meeting Abstracts MA2022-01, no. 27 (2022): 2402. http://dx.doi.org/10.1149/ma2022-01272402mtgabs.

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Hydrogen fuel cells represent an important part of the new energy scheme for low emission society. Development of the more efficient, durable and energy dense systems requires precise information on the numerous aspects, especially on the local distribution of physio-chemical quantities inside the fuel cells stacks. It is extremely difficult to obtain such information experimentally. Therefore, the mathematical modelling represents a feasible alternative. It offers an efficient and versatile way for the acquisition of required information. Accuracy of mathematical model, however, is primarily
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Della Bella, Roberta Karla Francesca, Alexander Gunnarson, Hannaneh Hosseini, et al. "Understanding the Increase in H2/Air PEM Fuel Cell Performance of Pt Based Cathode Catalysts with the Tailored Pore Structure of Mesoporous Graphitic Spheres." ECS Meeting Abstracts MA2023-02, no. 37 (2023): 1746. http://dx.doi.org/10.1149/ma2023-02371746mtgabs.

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To reach its climate neutrality goal by 2050, the European Union has agreed on ceasing the sale of new petrol and diesel-driven vehicles by the end of 2035. Therefore, interest in carbon-neutral transport options, such as battery-electric vehicles (BEV) or fuel-cell-electric vehicles (FCEV) has tremendously increased. Especially for heavy-duty applications, proton exchange membrane fuel cells (PEMFCs) can be a viable solution, as they exhibit a higher gravimetric power density compared to BEVs.[1] However, cost and supply constraints of the catalyst active material, i.e. platinum, are still a
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Farras Costa, Pau, Praveen S. Kumar, Muhammad Sohail Riaz, Ariana Serban, and Xile Hu. "(Invited) Development of PGM-Free Electrolysers Operating in Low-Grade Water Electrolytes." ECS Meeting Abstracts MA2025-01, no. 38 (2025): 1926. https://doi.org/10.1149/ma2025-01381926mtgabs.

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Green hydrogen is gaining traction amid the global energy transition, but current production methods relying on fossil fuels are environmentally unfriendly. Water electrolysis using renewable energy is a promising alternative, yet the use of fresh water is unsustainable. Urgent development is needed to enable the use of low-grade water sources or seawater with minimal treatment.1 Proton Exchange Membrane (PEM) electrolyzers, dominant in water electrolysis, use expensive and scarce materials like platinum and iridium. The Oxygen Evolution Reaction (OER) is a bottleneck, requiring urgent develop
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Conference papers on the topic "Porous European mix (PEM)"

1

Shahraeeni, Mehdi, and Mina Hoorfar. "Numerical Investigation of Fluid Flow Inside the Porous Medium of GDL." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30594.

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A pore-network model is developed to study numerically the transient flow of fluid through the gas diffusion layer (GDL) of the PEM fuel cell. It is shown that the agglomeration of water droplet on the interface of the GDL and catalyst layer occurs faster for the samples with smaller pore diameters and lower contents of the hydrophobic agent. The study suggests that analysis of the temporal response of the GDL is a useful tool to evaluate its performance against transporting liquids.
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Celma, Rafael Ignacio, Nepal Singh, Kamal Ouldamer, and Pascal Debec. "Petroelastic Model PEM for a Highly Heterogeneous Cretaceous Reservoir in Middle East." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207360-ms.

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Abstract The objective of this project is to simulate elastic logs (sonic P, sonic S and density) through a Petroelastic Model (PEM) for a complex lithology reservoir in the Middle East, that later will be used as input for a new 4D seismic feasibility study. A log conditioning (despike, depth shift, hydrocarbon correction and normalization) and comprehensive petrophysical analysis was first performed, to obtain lithology volumetric, porosity and saturation, that later were used as input for the PEM. Some wells with recorded P and S sonic log were used to conduct different cross plots of elast
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Zhao, Yanxia, Renwei Mei, and James F. Klausner. "Effects of Geometrical Parameters on Improving the Transversal Mass Transport in PEM Fuel Cells." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98189.

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A computational model using Lattice Boltzmann Equation (LBE) method is employed to investigate the fluid transport on the anode side of Polymer Electrolyte Membrane (PEM) fuel cells, with an emphasis on mass transfer enhancement. A 3-dimensional LBE code is developed to solve the flows in the channel and the porous media in the gas diffusion layer (GDL) simultaneously. Multiple flow enhancers (obstructions in the flow channel) are placed in the channel to enhance the transversal flow across the GDL. The mass flow rate, the velocity field and the pressure distribution are analyzed. The effects
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Khabbazi, Ali Ebrahimi, Andrew Richards, and Mina Hoorfar. "Numerical Analysis of the Effect of Different Channel Geometries and Electrode Materials on the Performance of Microfluidic Fuel Cells." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30772.

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A typical microfluidic fuel cell is comprised of a Y- or T-shaped microchannel. The fuel and the oxidant streams are introduced from the two different inlets. The anodic and cathodic flows meet each other at the beginning of the main channel and start to travel together along the channel. Due to the fact that the viscous forces dominate the inertia forces in microchannels, the oxidant and the fuel streams establish a side-by-side co-laminar flow which makes the anolyte and catholyte flow together without turbulent mixing. Laminar flow in microfluidic fuel cells plays the role of the membrane i
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