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Nicasy RJK, Huinink HP, Erich SJF, Adan OCG, Tomozeiu N. Ultra Fast Imaging NMR method for measuring fast transport processes in thin porous media. Magn Reson Imaging 2023; 103:61-74. [PMID: 37348740 DOI: 10.1016/j.mri.2023.06.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 06/01/2023] [Accepted: 06/17/2023] [Indexed: 06/24/2023]
Abstract
Measuring moisture distributions during fast transport processes in thin porous media is a challenging task. In this paper, Ultra Fast Imaging (UFI) NMR is proposed as a valuable measurement technique for investigating moisture uptake in porous media by achieving a temporal resolution of 10 ms and spatial resolution between 14.5 and 18 μm. This paper gives a detailed explanation about the methodology and the interpretation of the signal intensity. It is shown that there exist specific T1- and T2- relaxation time conditions for performing UFI experiments with signal-to-noise ratios that are sufficiently high. In most cases, a contrast agent is required to optimize these relaxation times and achieve the optimal measurement conditions. In the first part of this paper, both CuSO4 and Clariscan are discussed as possible contrast agents. Furthermore, it is shown that the signal intensity can be linked to the moisture content for water based liquids. The second part of this paper covers penetration experiments on porous PVDF membranes. These measurements show that the technique is able to measure moisture profiles during fast capillary penetration and allows to extract moisture front positions. Those front positions follow a linear time behavior in PVDF membranes. Lastly the NMR-measurements showed similar results when compared to scanning absorptometry (ASA).
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Affiliation(s)
- R J K Nicasy
- Eindhoven University of Technology, Applied Physics Department, P.O. Box 513, Eindhoven, 5600 MB, the Netherlands; Transport in Permeable Media group, Department of Applied Physics, Eindhoven University of Technology, PO Box 513, Eindhoven 5600 MB, the Netherlands
| | - H P Huinink
- Eindhoven University of Technology, Applied Physics Department, P.O. Box 513, Eindhoven, 5600 MB, the Netherlands; Transport in Permeable Media group, Department of Applied Physics, Eindhoven University of Technology, PO Box 513, Eindhoven 5600 MB, the Netherlands; TNO Materials Solution, High Tech Campus 25, Eindhoven, the Netherlands.
| | - S J F Erich
- Eindhoven University of Technology, Applied Physics Department, P.O. Box 513, Eindhoven, 5600 MB, the Netherlands; Organization of Applied Scientific Research, TNO, P.O. Box 49, Delft, 2600 AA, the Netherlands; Transport in Permeable Media group, Department of Applied Physics, Eindhoven University of Technology, PO Box 513, Eindhoven 5600 MB, the Netherlands
| | - O C G Adan
- Organization of Applied Scientific Research, TNO, P.O. Box 49, Delft, 2600 AA, the Netherlands
| | - N Tomozeiu
- Canon Production Printing, Research and Development, AM department, Venlo, the Netherlands; Transport in Permeable Media group, Department of Applied Physics, Eindhoven University of Technology, PO Box 513, Eindhoven 5600 MB, the Netherlands; Eindhoven Institute of Renewable Energy Systems, Eindhoven University of Technology, PO Box 513, Eindhoven 5600 MB, the Netherlands
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Kim I, Cho H, Kitchamsetti N, Yun J, Lee J, Park W, Kim D. A Robust Triboelectric Impact Sensor with Carbon Dioxide Precursor-Based Calcium Carbonate Layer for Slap Match Application. MICROMACHINES 2023; 14:1778. [PMID: 37763941 PMCID: PMC10537528 DOI: 10.3390/mi14091778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/08/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023]
Abstract
As an urgent international challenge, the sudden change in climate due to global warming needs to be addressed in the near future. This can be achieved through a reduction in fossil fuel utilization and through carbon sequestration, which reduces the concentration of CO2 in the atmosphere. In this study, a self-sustainable impact sensor is proposed through implementing a triboelectric nanogenerator with a CaCO3 contact layer fabricated via a CO2 absorption method. The triboelectric polarity of CaCO3 with the location between the polyimide and the paper and the effects of varying the crystal structure are investigated first. The impact sensing characteristics are then confirmed at various input frequencies and under applied forces. Further, the high mechanical strength and strong adherence of CaCO3 on the surface of the device are demonstrated through enhanced durability compared to the unmodified device. For the intended application, the as-fabricated sensor is used to detect the turning state of the paper Ddakji in a slap match game using a supervised learning algorithm based on a support vector machine presenting a high classification accuracy of 95.8%. The robust CaCO3-based triboelectric device can provide an eco-friendly advantage due to its self-powered characteristics for impact sensing and carbon sequestration.
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Affiliation(s)
- Inkyum Kim
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea; (I.K.); (H.C.)
- Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
| | - Hyunwoo Cho
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea; (I.K.); (H.C.)
- Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
| | - Narasimharao Kitchamsetti
- Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
- Department of Electronic Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
| | - Jonghyeon Yun
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea; (I.K.); (H.C.)
- Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
| | - Jeongmin Lee
- Department of Electronic Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
| | - Wook Park
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea; (I.K.); (H.C.)
- Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
| | - Daewon Kim
- Institute for Wearable Convergence Electronics, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
- Department of Electronic Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin 17104, Republic of Korea
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Grzelczyk J, Oracz J, Gałązka-Czarnecka I. Quality Assessment of Waste from Olive Oil Production and Design of Biodegradable Packaging. Foods 2022; 11:foods11233776. [PMID: 36496585 PMCID: PMC9740201 DOI: 10.3390/foods11233776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
The use of olive pomace from olive oil production is still insufficient. The lingering olive pomace is harmful to the environment. On the other hand, the world is increasingly polluted with plastic or by-products from the production of biodegradable products. Considering these two problems, the aim of this work was to develop a mixture and create biodegradable disposable tableware characterized by high antioxidant activity. The disposable tableware was made by mixing olive pomace with teff flour or/and sorghum groats and lecithin. Baking was carried out at the temperature of 180 °C. The best variant of the mixture for the preparation of disposable tableware was olive pomace, teff flour, sorghum groats and lecithin. These vessels were the toughest, with low water absorption and had a high antioxidant potential due to the high content of polyphenols and omega acids. Protecting the cups and bowls with beeswax had a positive effect on reducing water absorption.
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Qu ML, Lu SY, Lin Q, Foroughi S, Yu ZT, Blunt MJ. Characterization of Water Transport in Porous Building Materials Based on an Analytical Spontaneous Imbibition Model. Transp Porous Media 2022. [DOI: 10.1007/s11242-022-01776-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Postulka N, Meckel T, Biesalski M. Porosity Centrifuge: Determination of Pore Sizes of Swellable Porous Materials under Hypergravity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:8746-8752. [PMID: 34269591 DOI: 10.1021/acs.langmuir.1c01002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Porous materials are ubiquitous and essential for many processes in nature as well as in industry, and the need to produce them from renewable materials will definitely increase. A prominent example for such a fully recyclable and biogenic porous material is paper, a material that contains macropores formed in between the fibers as well as a large distribution of much finer pores on and within the fiber walls. While the determination of pore sizes is of central importance for the characterization of such materials, their determination is usually only possible with complex methodologies. The determination of pore sizes in the context of water has remained largely unsolved to date, in particular, if water-swellable materials are considered. Here, we introduce a completely new way of determining pore sizes of materials even under swelling conditions. Using a centrifugal device and studying the imbibition of water into paper at various centrifugal forces that oppose the capillary forces, we can access the mean pore size of different paper materials in an experimentally simple fashion. In addition, we can show that the pore size values obtained with our "centrifugal porosimetry" are consistent with the values obtained using other methods, usually much more involved methods. For this purpose, we measure well-characterized translucent macroporous materials using water, ranging from simple glass capillaries to standard filters and nitrocellulose membranes.
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Affiliation(s)
- Niels Postulka
- Technical University of Darmstadt, Ernst-Berl-Institut für Technische und Makromolekulare Chemie, Alarich-Weiss-Str.8, D-64287 Darmstadt, Germany
| | - Tobias Meckel
- Technical University of Darmstadt, Ernst-Berl-Institut für Technische und Makromolekulare Chemie, Alarich-Weiss-Str.8, D-64287 Darmstadt, Germany
| | - Markus Biesalski
- Technical University of Darmstadt, Ernst-Berl-Institut für Technische und Makromolekulare Chemie, Alarich-Weiss-Str.8, D-64287 Darmstadt, Germany
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Barletta M, Gisario A, Mohammadzadeh A. Print base decorative paper with high‐dimensional stability by chemical fiber modification: An experimental and analytical approach. J Appl Polym Sci 2021. [DOI: 10.1002/app.49805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Annamaria Gisario
- Dipartimento di Ingegneria Meccanica e Aeronautica Sapienza Università degli Studi di Roma Rome Italy
| | - Amin Mohammadzadeh
- Dipartimento di Ingegneria Meccanica e Aeronautica Sapienza Università degli Studi di Roma Rome Italy
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Cai J, Jin T, Kou J, Zou S, Xiao J, Meng Q. Lucas-Washburn Equation-Based Modeling of Capillary-Driven Flow in Porous Systems. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:1623-1636. [PMID: 33512167 DOI: 10.1021/acs.langmuir.0c03134] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Fluid flow in porous systems driven by capillary pressure is one of the most ubiquitous phenomena in nature and industry, including petroleum and hydraulic engineering as well as material and life sciences. The classical Lucas-Washburn (LW) equation and its modified forms were developed and have been applied extensively to elucidate the fundamental mechanisms underlying the basic statics and dynamics of the capillary-driven flow in porous systems. The LW equation assumes that fluids are incompressible Newton ones and that capillary channels all have the same radii. This kind of hypothesis is not true for many natural situations, however, where porous systems comprise complicated pore and capillary channel structures at microscales. The LW equation therefore often leads to inaccurate capillary imbibition predictions in such situations. Numerous studies have been conducted in recent years to develop and assess the modifications and extensions of the LW equation in various porous systems. Significant progresses in computational techniques have also been attained to further improve our understanding of imbibition dynamics. A state-of-the-art review is therefore needed to summarize the recent significant models and numerical simulation techniques as well as to discuss key ongoing research topics arising from various new engineering practices. The theoretical basis of the LW equation is first introduced in this review and recent progress in mathematical models is then summarized to demonstrate the modifications and extensions of this equation to various microchannels and porous media. These include capillary tubes with nonuniform and noncircular cross sections, discrete fractures, and capillary tubes that are not straight as well as heterogeneous porous media. Numerical studies on the LW equation are also reviewed, and comments on future works and research directions for LW-based capillary-driven flows in porous systems are listed.
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Affiliation(s)
- Jianchao Cai
- State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, People's Republic of China
- Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, People's Republic of China
| | - Tingxu Jin
- Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, People's Republic of China
| | - Jisheng Kou
- School of Civil Engineering, Shaoxing University, Shaoxing 312000, People's Republic of China
- School of Mathematics and Statistics, Hubei Engineering University, Xiaogan 432000, People's Republic of China
| | - Shuangmei Zou
- Key Laboratory of Tectonics and Petroleum Resources, Ministry of Education, China University of Geosciences, Wuhan 430074, People's Republic of China
| | - Junfeng Xiao
- State Key Lab of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Qingbang Meng
- Key Laboratory of Tectonics and Petroleum Resources, Ministry of Education, China University of Geosciences, Wuhan 430074, People's Republic of China
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Sawant N, Salam A, Lucia L. Esterified Polysaccharide Composites that Display Super Absorbency from Highly Favorable Hydrogen and Ionic Interactions. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c02823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Neha Sawant
- Department of Chemical and Paper Engineering, Western Michigan University, Kalamazoo, Michigan 49008, United States
| | - Abdus Salam
- Department of Chemical and Paper Engineering, Western Michigan University, Kalamazoo, Michigan 49008, United States
| | - Lucian Lucia
- Department of Forest Biomaterials, North Carolina State University, Raleigh, North Carolina 27695-8005, United States
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Lamon N, Neumann C, Gier J, Zuberbühler K, Gruber T. Wild chimpanzees select tool material based on efficiency and knowledge. Proc Biol Sci 2018; 285:rspb.2018.1715. [PMID: 30305440 DOI: 10.1098/rspb.2018.1715] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 09/18/2018] [Indexed: 12/22/2022] Open
Abstract
Some animals have basic culture, but to date there is not much evidence that cultural traits evolve as part of a cumulative process as seen in humans. This may be due to limits in animal physical cognition, such as an inability to compare the efficiency of a novel behavioural innovation with an already existing tradition. We investigated this possibility with a study on a natural tool innovation in wild chimpanzees: moss-sponging, which recently emerged in some individuals to extract mineral-rich liquids at a natural clay-pit. The behaviour probably arose as a variant of leaf-sponging, a tool technique seen in all studied chimpanzee communities. We found that moss-sponges not only absorbed more liquid but were manufactured and used more rapidly than leaf-sponges, suggesting a functional improvement. To investigate whether chimpanzees understood the advantage of moss- over leaf-sponges, we experimentally offered small amounts of rainwater in an artificial cavity of a portable log, together with both sponge materials, moss and leaves. We found that established moss-spongers (having used both leaves and moss to make sponges) preferred moss to prepare a sponge to access the rainwater, whereas leaf-spongers (never observed using moss) preferred leaves. Survey data finally demonstrated that moss was common in forest areas near clay-pits but nearly absent in other forest areas, suggesting that natural moss-sponging was at least partly constrained by ecology. Together, these results suggest that chimpanzees perceive functional improvements in tool quality, a crucial prerequisite for cumulative culture.
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Affiliation(s)
- Noemie Lamon
- Department of Comparative Cognition, University of Neuchâtel, 2000 Neuchâtel, Switzerland .,Budongo Conservation Field Station, Masindi, Uganda
| | - Christof Neumann
- Department of Comparative Cognition, University of Neuchâtel, 2000 Neuchâtel, Switzerland
| | - Jennifer Gier
- Department of Comparative Cognition, University of Neuchâtel, 2000 Neuchâtel, Switzerland
| | - Klaus Zuberbühler
- Department of Comparative Cognition, University of Neuchâtel, 2000 Neuchâtel, Switzerland.,Budongo Conservation Field Station, Masindi, Uganda.,School of Psychology and Neuroscience, University of St Andrews, St Andrews, KY16 9JP, UK
| | - Thibaud Gruber
- Budongo Conservation Field Station, Masindi, Uganda .,Swiss Center for Affective Sciences, University of Geneva, 1211 Geneva, Switzerland.,Department of Zoology, University of Oxford, Oxford OX1 3PS, UK
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Georgiou D, Marinopoulou A, Ritzoulis C, Papastergiadis E, Kalogianni E. Capillary penetration in cellulose and polyethylene porous media: effect of contact with vapours and partial saturation with a non-miscible liquid. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2015.05.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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