Relevant bibliographies by topics / Porous carbon matrice

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Porous carbon matrice'

Author: Grafiati
Published: 14 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Porous carbon matrice"

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Kim, Hyun-Chul, and Seong Huh. "Porous Carbon-Based Supercapacitors Directly Derived from Metal–Organic Frameworks." Materials 13, no. 18 (2020): 4215. http://dx.doi.org/10.3390/ma13184215.

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Numerously different porous carbons have been prepared and used in a wide range of practical applications. Porous carbons are also ideal electrode materials for efficient energy storage devices due to their large surface areas, capacious pore spaces, and superior chemical stability compared to other porous materials. Not only the electrical double-layer capacitance (EDLC)-based charge storage but also the pseudocapacitance driven by various dopants in the carbon matrix plays a significant role in enhancing the electrochemical supercapacitive performance of porous carbons. Since the electrochem
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Nazhipkyzy, Meruyert, Tolganay Temirgaliyeva, Aizhan A. Zhaparova, et al. "Synthesis of Porous Carbon Material and its Use for Growing Carbon Nanotubes." Materials Science Forum 886 (March 2017): 32–36. http://dx.doi.org/10.4028/www.scientific.net/msf.886.32.

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The scales of porous carbon materials usage are constrained by their considerably high cost. Therefore, development of new methods for production of porous carbon with the necessary complex of properties from cheap raw materials is actual. Also, porous carbon materials can be used for growth of carbon nanotubes as a matrices of catalyst particles. Herein, the method of fabrication porous carbon materials from waste of oil industry and their use as a matrices of catalyst particles to growth of CNT was developed. CNTs was synthesized by CVD using as hydrocarbon source - propan-butane gas mixture
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Liu, Zaidong, Yalei Wang, Xiang Xiong, et al. "Microstructural Evolution and Mechanical Behaviors of Cf/Cm-SiC-(ZrxHf1−x)C Composites with Different Carbon Matrices." Journal of Composites Science 8, no. 8 (2024): 303. http://dx.doi.org/10.3390/jcs8080303.

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In this study, two types of porous Cf/Cm composites were obtained by introducing pyrolytic carbon (PyC) and pyrolytic carbon/furan resin carbon (PyC/FRC). Subsequently, Cf/Cm-SiC-(ZrxHf1−x)C composites with different carbon matrices were prepared by introducing SiC and (ZrxHf1−x)C matrices into the porous Cf/Cm composites via the reactive melt infiltration method, specifically termed as Cf/PyC-SiC-(ZrxHf1−x)C and Cf/PyC/FRC-SiC-(ZrxHf1−x)C composites. The microstructures of the porous Cf/Cm and Cf/Cm-SiC-(ZrxHf1−x)C composites with different carbon matrices were examined, and a comprehensive a
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Duong, Anh T. A., Hoang V. Nguyen, Man V. Tran, et al. "Influence of ZIF-9 and ZIF-12 structure on the formation of a series of new Co/N-doped porous carbon composites as anode electrodes for high-performance lithium-ion batteries." RSC Advances 13, no. 25 (2023): 17370–83. http://dx.doi.org/10.1039/d3ra02802j.

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A series of new Co/N-doped porous carbon composites containing Co nanoparticles encapsulated in nitrogen-doped carbon matrices were prepared by annealing Co-based zeolite imidazolate framework materials as the efficient precursors at different temperatures.
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Li, Mian, Xiaotian Liu, Yueping Xiong, et al. "Facile synthesis of various highly dispersive CoP nanocrystal embedded carbon matrices as efficient electrocatalysts for the hydrogen evolution reaction." Journal of Materials Chemistry A 3, no. 8 (2015): 4255–65. http://dx.doi.org/10.1039/c4ta06630h.

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Yang, Wen, Li Li, Yongzhao Hou, Yun Liu, and Xinwei Xiao. "Enhanced Electromagnetic Wave Absorption of SiOC/Porous Carbon Composites." Materials 15, no. 24 (2022): 8864. http://dx.doi.org/10.3390/ma15248864.

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Carbon-based materials have been widely explored as electromagnetic (EM) wave absorbing materials with specific surface areas and low density. Herein, novel porous carbon/SiOC ceramic composites materials (porous C/sp-SiOC) were prepared from the binary mixture, which used the low cost pitch as carbon resource and the polysilylacetylene (PSA) as SiOC ceramic precursor. With the melt-blending-phase separation route, the PSA resin formed micro-spheres in the pitch. Then, numerous SiOC ceramic micro-spheres were generated in porous carbon matrices during the pyrolysis process. By changing the per
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Zaarour, Moussa, Jurjen Cazemier, and Javier Ruiz-Martínez. "Recent developments in the control of selectivity in hydrogenation reactions by confined metal functionalities." Catalysis Science & Technology 10, no. 24 (2020): 8140–72. http://dx.doi.org/10.1039/d0cy01709d.

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Confining metal active species in the voids of porous solid matrices such as zeolites, metal–organic frameworks (MOFs), and carbon nanotubes (CNTs) can bring fascinating key advantages in the field of selective hydrogenation reactions.
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Pinsky, Dina, Noam Ralbag, Ramesh Kumar Singh, et al. "Metal nanoparticles entrapped in metal matrices." Nanoscale Advances 3, no. 15 (2021): 4597–612. http://dx.doi.org/10.1039/d1na00315a.

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Metallic nanoparticles have been traditionally dispersed on ceramics and carbons, but never on porous metals. Methods for the preparation of such materials are described, and catalysis is demonstrated for reductions and for H<sub>2</sub> electro-oxidation.
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Fraczek-Szczypta, Aneta, Ewa Stodolak-Zych, Szymon Jurdziak, and Marta Blazewicz. "Polymer Nanocomposite Scaffolds Modified with Carbon Nanotubes for Tissue Regeneration." Materials Science Forum 714 (March 2012): 245–53. http://dx.doi.org/10.4028/www.scientific.net/msf.714.245.

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Among the many applications of polylactide (PLA) in medicine, one of the most famous is porous scaffold for bone and cartilage regeneration. A new direction in the development of biodegradable polymer scaffolds is their modification using different types of nanoadditives. One type of these nanomaterials could be carbon nanotubes (CNT), which could influence the mechanical, electrical, physicochemical and biological properties of polymer matrices. Porous nanocomposite scaffolds were prepared using different techniques, such as salt leaching and a combination of salt leaching and gas foaming tec
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Sapri, Muh S., and Mashuri. "Mechanical-Thermal Stability of Micro Composite Based Porous Carbon from Coconut Shell (<i>Cocoa nucifera</i>) Charcoal." Materials Science Forum 1094 (July 27, 2023): 105–10. http://dx.doi.org/10.4028/p-ibl7k4.

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Research on the mechanical thermal stability of micro-porous carbon-based micro composites with marine paint matrices has been carried out. Microporous carbon has the property of absorbing radar waves so it is very interesting to research and develop into a microwave shielding material synthesized from coconut shell (cocoa nucifera) by carbonization process at 600°C for 45 minutes. The molecular structure and phases of micro porous carbon were characterized using Fourier Transform Infrared (FTIR) and X-Ray Diffraction (XRD) with the results confirmed of micro carbon with reduced graphene oxide
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Dissertations / Theses on the topic "Porous carbon matrice"

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ZUBAIR, USMAN. "High-energy sustainable Lithium sulfur batteries for electrical vehicles and renewable energy applications ¿ Development of innovative electrodes." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2730619.

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Sato, Hiroshi. "Strength of metallurgical coke in relation to fissure formation." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/8350.

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The size distribution and strength of metallurgical coke are factors vital for the steady and high-efficiency operation of a blast furnace, since these factors govern stack penneability. Coke strength influences the size of lump coke not only because of size degradation by impact and abrasion during transfer to and descent in the blast furnace, but also because of its influence on the fracture which takes place in the coke layer during carbonisation and the effect this has on the initial mean size and size distribution of the feed coke. Therefore, the elucidation of the relationship between co
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Törnkvist, Anna. "Aspects of Porous Graphitic Carbon as Packing Material in Capillary Liquid Chromatography." Doctoral thesis, Uppsala University, Analytical Chemistry, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3306.

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<p>In this thesis, porous graphitic carbon (PGC) has been used as packing material in packed capillary liquid chromatography. The unique chromatographic properties of PGC has been studied in some detail and applied to different analytical challenges using both electrospray ionization-mass spectrometry (ESI-MS) and ultra violet (UV) absorbance detection. </p><p>The crucial importance of disengaging the conductive PGC chromatographic separation media from the high voltage mass spectrometric interface has been shown. In the absence of a grounded point between the column and ESI emitter, a current
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El, Wanny Nadine. "Stratégies de séquestration de polluants organiques organochlorés par des matrices carbonées." Electronic Thesis or Diss., Université de Lorraine, 2021. http://docnum.univ-lorraine.fr/public/DDOC_T_2021_0315_EL_WANNY.pdf.

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La contamination des sols par les polluants organochlorés est un problème pour la santé des écosystèmes et humaine. Il n'est pas toujours possible de dégrader ces molécules rémanentes. L'enjeu est d'empêcher leurs effets adverses sur le biote ou leur migration vers d'autres compartiments de l'agroécosystème. L'utilisation de matières carbonées nanoporeuses d'origine végétale peut être un moyen. Cette thèse a pour objectif de sélectionner parmi un panel de matrices carbonées celles qui sont capables de piéger efficacement les contaminants tels que les polychlorobiphényles (PCB), les polychloro­
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Bryan, Nicholas James. "PEBAX-based mixed matrix membranes for post-combustion carbon capture." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31239.

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Polymeric membranes exhibit a trade-off between permeability and selectivity in gas separations which limits their viability as an economically feasible post-combustion carbon capture technology. One approach to improve the separation properties of polymeric membranes is the inclusion of particulate materials into the polymer matrix to create what are known as mixed matrix membranes (MMMs). By combining the polymer and particulate phases, beneficial properties of both can be seen in the resulting composite material. One of the most notable challenges in producing mixed matrix membranes is in t
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Magnant, Jérôme. "Composites fibreux denses à matrice céramique autocicatrisante élaborés par des procédés hybrides." Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14105/document.

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L'élaboration de composites à matrice céramique denses et à fibres continues multidirectionnelles par de nouveaux procédés hybrides a été étudiée. Les procédés développés reposent sur le dépôt d'interphases autour des fibres par Infiltration Chimique en phase Vapeur (CVI) puis sur l'introduction de poudres céramiques au sein de préformes fibreuses par infusion de suspensions aqueuses colloïdales concentrées et stables, et enfin sur la consolidation des préformes soit par frittage flash, soit par imprégnation réactive de métaux liquides.La consolidation des composites par frittage flash est trè
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Reuge, Nicolas. "Modélisation globale de l'infiltration chimique en phase vapeur (CVI) et étude de la chimie du dépôt de pyrocarbone en CVD/CVI." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2002. http://tel.archives-ouvertes.fr/tel-00003765.

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Ce mémoire est consacré à la modélisation de l'infiltration chimique en phase vapeur (CVI), procédé utilisé pour la fabrication des composites thermostructuraux et en particulier les carbone-carbone (C/C). Il s'articule autour de deux axes : le premier concerne la mise au point d'un outil de simulation globale du procédé, c'est-à-dire à l'échelle d'un four, et le second la détermination d'un modèle chimique apte à décrire de manière réaliste le dépôt de pyrocarbone et suffisamment simple pour être utilisé dans une simulation globale. La modélisation globale inclut une description mathématique
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Book chapters on the topic "Porous carbon matrice"

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Peichl, Jonas, Andreas Schwab, Markus Selzer, Hannah Böhrk, and Jens von Wolfersdorf. "Innovative Cooling for Rocket Combustion Chambers." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_3.

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Abstract Transpiration cooling in combination with permeable ceramic-matrix composite materials is an innovative cooling method for rocket engine combustion chambers, while providing high cooling efficiency as well as enhancing engine life time as demanded for future space transportation systems. In order to develop methods and tools for designing transpiration cooled systems, fundamental experimental investigations were performed. An experimental setup consisting of a serial arrangement of four porous carbon fiber reinforced carbon (C/C) samples is exposed to a hot gas flow. Perfused with col
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Załęgowski, Kamil, and Maja Kępniak. "Effect of Polymer Mortar Modification Using Eco-friendly Biochar on Microstructure." In Springer Proceedings in Materials. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-72955-3_24.

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AbstractThe construction sector should have much to offer in terms of helping to achieve circular economy goals, among others the use of waste materials. The example of such materials is biochar, a black porous and carbon-rich matter that could be converted from various waste biomass. A biochar could be utilized as microfiller in polymer concretes. This application of biochar is promising due to good interfacial bonding with polymer, no reactivity between surrounding polymer matrix and filler particles and fact that even fillers with irregular particles and large specific surface area could be
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Park, M. J., H. J. Song, B. S. Lee, J. S. Jang, M. S. Hong, and J. C. Lee. "Properties of Porous Si/SiC Fiber Composites Prepared by Infiltrating Carbon Fiber Composites with Liquid Silicon." In High Temperature Ceramic Matrix Composites. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527605622.ch54.

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Sarkar, Subhasis, Arkadeb Mukhopadhyay, Abhishek Mandal, and Manas Barman. "POROUS CARBONACEOUS MATERIALS FOR PESTICIDE REMOVAL FROM VARIOUS ENVIRONMENTAL MATRICES: A BRIEF OVERVIEW." In Futuristic Trends in Agriculture Engineering & Food Sciences Volume 2 Book 9. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs9ch1.

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Pesticides are considered as an inevitable input in sustainable food production as they play a crucial role in the maximization of agricultural productivity. Despite their useful role in modern farming, the indiscriminate and widespread uses of pesticides possess a serious threat to the environment. Around 90% of the applied pesticides are lost in the different environmental compartments, either directly through intentional use (such as agronomic practices) or unintentionally (e.g. spray drift, leaching, surface runoff, etc.). For sustainable environmental pollution mitigation, it is necessary
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A. Dobrzański, Leszek. "Advanced Composites with Aluminum Alloys Matrix and Their Fabrication Processes." In Advanced Aluminium Composites and Alloys [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98677.

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This chapter introduces advanced aluminum alloy matrix composites and their manufacturing processes. In the beginning, the state of the art is characterized and the general characteristics of aluminum and its practical applications are presented, starting with the history of aluminum. The current approximate distribution of bauxite resources in the world and the production of bauxite and alumina in the leading countries of the world, as well as the production of primary and secondary aluminum and the range of aluminum end products, are presented. Aluminum alloys intended for plastic deformatio
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Zhang, Weigang, Changming Xie, Min Ge, and Xi Wei. "C/C-ZrB2-ZrC-SiC Composites Derived from Polymeric Precursor Infiltration and Pyrolysis Part I." In MAX Phases and Ultra-High Temperature Ceramics for Extreme Environments. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-4066-5.ch013.

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Two-dimensional C/C-ZrB2-ZrC-SiC composites with three phases of ultra high temperature ceramics (UHTCs) are fabricated for the first time using blending pre-ceramic polymeric precursors through the traditional polymer infiltration and pyrolysis (PIP) technique, in which a porous carbon fiber reinforced pyrolytic carbon (C/C) with a porosity of about 60% is prepared as preforms. The fabricated composite possesses a matrix of 20ZrB2-30ZrC-50SiC, which is obtained by co-pyrolysis of three pre-ceramic polymers solution in xylene with certain molar ratios. Pyrolysis of these ZrB2-ZrC-SiC pre-ceram
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G. Montalbán, Mercedes, and Gloria Víllora. "High-Pressure Fluid Phase Equilibria." In Phase Equilibria With Supercritical Carbon Dioxide - Application to the Components of a Biocatalytic Process. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.105486.

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One of the crucial aspects in the design of processes of this millennium is the use of environmentally benign technologies. The introduction of supercritical fluids (SCF) and, in addition, their use with other solvents, such as ionic liquids, further diversify the applications of these fluids. SCF are powerful solvents with many unique properties. They have the mobility of gases and the dissolving power of liquid solvents, resulting in efficient high mass transfer rates and penetration into porous matrices. However, reliable and versatile mathematical models of phase equilibrium thermodynamics
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Madhu Mohan, Varishetty, Madhavi Jonnalagadda, and VishnuBhotla Prasad. "Advanced Chalcogen Cathode Materials for Lithium-Ion Batteries." In Chalcogenides – Preparation and Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103042.

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As on today the main power sources of lithium-ion batteries (LIBs) research developments gradually approach their theoretical limits in terms of energy density. Therefore, an alternative next-generation of power sources is required with high-energy densities, low cost, and environmental safety. Alternatively, the chalcogen materials such as sulfur, selenium, and tellurium (SSTs) are used due to their excellent theoretical capacities, low cost, and no toxicity. However, there will be some challenges to overcome such as sluggish reaction of kinetics, inferior cycling stability, poor conductivity
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Tiancheng Wei, Wei, Yu Sun, and Eunkyoung Shim. "Progress of Recycled Polyester in Rheological Performance in Molding, and Economic Analysis of Recycled Fibers in Fashion and Textile Industry." In Next-Generation Textiles [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103864.

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In textiles, in particular wearable technology structured, battery-illuminated electronic fabrics are moving toward to both electrical and esthetic aspects of printed LED (PLED) textiles. It is on one dimension that have had questioned an economic resolution of extensional methods as for battery-charged interior materials, and also has gained a more general questions on how to develop its recycle both yarn and fiber as traditional raw goods in together with any recyclable electronic parts or graphene, carbon nanotube contained components with that textile materials. Furthermore, recyclable ass
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Khoo, Kay-Hooi. "O-GalNAc Glycomics by LC–MS/MS." In Glycoprotein Analysis. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781839166433-00279.

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Mass spectrometry (MS) analysis of O-GalNAc glycans faces common glycomic challenges and presents unique considerations. Among the structural problems is the need to define the respective glycan chains and glycotopes on either the 6- or 3-arm of a branched core or those of an internal Gal attached to the reducing-end GalNAc. When considered together with the different positions of sialylation, fucosylation, and sulfation, the extent of isomeric variations can be too overwhelming to be resolved by any single analytical technique at the level of sensitivity and throughput demanded by current gly
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Conference papers on the topic "Porous carbon matrice"

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Jacklin, Robert, Joshua Owen, Danny Burkle, Richard C. Woollam, and Richard Barker. "Characterizing the Evolution of Iron Carbonate in a Demanding CO2 Environment Using a Combined Electrochemical Impedance Spectroscopy and Linear Polarization Resistance Approach." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19278.

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Abstract This work proposes an in situ electrochemical analysis procedure for characterizing iron carbonate (FeCO3) development on carbon steel at elevated pressures. X65 carbon steel was exposed to an unbuffered carbon dioxide (CO2) saturated brine in an electrochemical autoclave at 80°C and 5.5 bar pCO2 until a protective layer of FeCO3 had formed. Open Circuit Potential (OCP) and Linear Polarization Resistance (LPR) were coupled with Electrochemical Impedance Spectroscopy (EIS) and ex situ surface and cross-sectional imaging to identify key stages in corrosion layer development. The impedan
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Salama, Amgad, Shuyu Sun, and Mohamed Fathy El-amin. "An Efficient IMPES-Based, Shifting Matrix Algorithm To Simulate Two-Phase, Immiscible Flow in Porous Media With Application to CO2 Sequestration in the Subsurface." In Carbon Management Technology Conference. Carbon Management Technology Conference, 2012. http://dx.doi.org/10.7122/150291-ms.

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Ito, Seigo, Youichirou Sakai, Ryuki Tsuji, Takaya Shioki, and Kota Ohishi. "Highly Stable Carbon-Based Multi-Porous-Layered-Electrode Perovskite Solar Cells." In 2022 29th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD). IEEE, 2022. http://dx.doi.org/10.23919/am-fpd54920.2022.9851245.

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Dahifale, Balasaheb S., Ramkumar N. Parthasarathy, and Subramanyam R. Gollahalli. "Experimental Investigation of Porous-Media Combustion Characteristics of Biodiesel Blends." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37527.

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The use of porous-media burners in air-heating systems, gas turbine combustors, and steam generators is a potential method to reduce pollutant emission levels. Biofuels, such as canola methyl ester (CME), are an attractive alternate energy resource; however, pure biofuels have lower energy content than petroleum-based fuels. Therefore, the combustion characteristics of blends of Jet A and CME were studied in a porous-media burner. Two silicon carbide coated carbon-carbon matrix porous media of square section were used. The upstream porous medium with a pore size of 8 pores per centimeter (20 p
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Reddy, K. Suresh Kumar, Ahmed Alshoaibi, and C. Srinivasakannan. "High Efficient Metal Sulphide Based Porous Carbon Matrix for Mercury Removal." In Abu Dhabi International Petroleum Exhibition and Conference. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/177701-ms.

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Tynyshtykbayev, Kurbangali, Chistos Spitas, Konstantinos Kostas, and Zinetula Insepov. "GRAPHENE LOW-TEMPERATURE SYNTHESIS ON POROUS SILICON." In International Forum “Microelectronics – 2020”. Joung Scientists Scholarship “Microelectronics – 2020”. XIII International conference «Silicon – 2020». XII young scientists scholarship for silicon nanostructures and devices physics, material science, process and analysis. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1551.silicon-2020/40-44.

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The possibility of low-temperature synthesis of graphene on the surface of porous silicon (PS) is associated with the excess surface energies of nc-PS nanocrystallites ; the boundary interface nanocrystallties nc-PS / c-Si monocrystal matrix; the dangling bonds of silicon atoms of nanocrystallites skeleton nc-PS. This opens up new prospects for the development of methods for the low-temperature synthesis of graphene without metal catalysts for the decomposition of carbon precursors, including using the ALD method.
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Zing, Carlos, and Shadi Mahjoob. "Numerical Analysis of Thermal Transport in Nano Fluidic Porous Filled Heat Exchangers for Electronics Cooling." In ASME 2017 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/ht2017-4966.

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The exponential growth in electronic power has brought amazing technology but with it also comes a burden in high heat production that threatens the safety of the product since electronics’ failure rate increases by its operating temperature. As such, cooling techniques have a key role to keep the temperature of electronics devices, such as processors, memory and graphics chips, below a maximum operating temperature. In this work, a porous filled heat exchanger has been numerically modeled to investigate the cooling effectiveness and temperature distribution on the base of the heat exchanger s
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Lanetc, Zakhar, Aleksandr Zhuravljov, Artur Shapoval, Ryan T. Armstrong, and Peyman Mostaghimi. "Inclusion of Microporosity in Numerical Simulation of Relative Permeability Curves." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-21975-ms.

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Abstract Advances in high-resolution micro computed tomography (micro-CT) allow obtaining high-quality rock images with a resolution of up to a few micrometres. Novel direct numerical simulation methods provide the opportunity to precisely predict the flow properties in the resolved pore space. However, a large fraction of porosity lies below the resolution of modern micro-CT scanners. These, so called, micro-pores may significantly affect the physics of flow in geologically complex dual-porosity heterogeneous formations (carbonates, shales, and coals) and are currently not accounted for in tr
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Rizvi, Reza, Hani Naguib, and Elaine Biddiss. "Characterization of a Porous Multifunctional Nanocomposite for Pressure Sensing." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-8178.

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This study focuses on the characterization of a porous multifunctional elastomer-CNT nanocomposites for potential use as pressure sensors. A thermoplastic polyurethane (TPU) was chosen as an elastomeric matrix, which was reinforced with multiwall carbon nanotubes (0–10 wt%) by high shear twin screw extrusion mixing. Porosity was introduced to the composites through the phase separation of a single TPU-CO2 solution. Interactions between MWNT and TPU were elucidated through calorimetry, gravimetric decomposition, conductivity measurements and microstructure imaging. The piezoresistance (pressure
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Willoughby, Christian E., Matthew T. Balhoff, and David A. DiCarlo. "Utilization of Carbon Dioxide for In-Situ Precipitation of Calcium Carbonate for Conformance Control in Heterogeneous Porous Media." In SPE Annual Technical Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/220852-ms.

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Abstract Conformance control is a necessary part of enhanced oil recovery operations in heterogeneous oilfields. However, many techniques center on near-wellbore conformance or are not well suited for low matrix permeability formations. We propose the injection of calcium hydroxide and carbon dioxide as a novel conformance control strategy in reservoirs that experience poor sweep efficiency due to heterogeneity. These two chemical agents react to precipitate solid calcium carbonate, potentially blocking already-swept pores and directing injected fluids to unswept regions of the reservoir. Micr
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Reports on the topic "Porous carbon matrice"

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Walthert, Lorenz, Douglas R. Cobos, and Patrick Schleppi. Technical report. Equations for improving the accuracy of Decagon MPS-2 matric potential readings in dry soils. Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, 2023. http://dx.doi.org/10.55419/wsl:33724.

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Abstract:
Soil matric potential quantifies water availability in soils. Low soil matric potentials are difficult to measure with most in situ techniques. This is also the case for the widely-used dielectric MPS-2 sensor. This probe determines matric potential indirectly from the measured water content in its porous sensor ceramics using dielectric permittivity as a proxy for water content. The accuracy of MPS-2 readings was analyzed in desiccation experiments using 13 soils with different texture and organic carbon content and a WP4C dewpoint potentiometer as reference instrument. Further, it was explor
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Ke, Jian-yu, Fynnwin Prager, Jose Martinez, and Chris Cagle. Achieving Excellence for California’s Freight System: Developing Competitiveness and Performance Metrics; Incorporating Sustainability, Resilience, and Workforce Development. Mineta Transportation Institute, 2021. http://dx.doi.org/10.31979/mti.2021.2023.

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This study explores the question of whether California's freight system is staying competitive with other US regions. A novel analytical framework compares supply chain performance metrics across multiple US states and regions for seaports, airports, highways, freight rail service, and distribution centers by combining the Performance Evaluation Matrix (PEM), Competitive Position Matrix (CPM), and Business Process Management (BPM) approaches. Analysis of industry data and responses from structured interviews with 30 freight industry experts across 5 transportation sectors suggests that Califor
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