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31 results for “Wettability”
Raw and analyzed data for manuscript "The synergistic effect of microwave drying and plasma surface treatments on the wettability of green wood"
<p><strong>Abstract:</strong></p> <p>In spite of being a one-step solution to several problems associated with woodworking and being energy efficient, the application of microwave (MW) modification in wood research remained very limited and the promising method has practically no use in wood industries across the globe. Research done so far in this field primarily sheds light on its potential in enhancing wood permeability, treatability and uniform wood drying. While MW treatments are mostly used on wet or green wood, another modification technique, plasma, has potential benefits to synergistically enhance effects of MW treatment, but has not been applied on wet or green wood specimens, so far. This study takes a first step to investigate effects of plasma treatments (PT) on green wood specimens as well as combinations of MW and plasma treatments. As a preliminary study, the methodology focuses on water contact angle measurements, since these are most commonly used as indicators for surface modifications in industrial applications. On the investigated samples of Norway spruce (<em>Picea abies</em> Karst.), an exponential time dependence was found for the contact angle. Initial contact angle after droplet deposition increased due to drying and migration of organic molecules during treatments. In comparison to the literature, the effect of plasma was significantly less pronounced on wet wood specimens. The initial contact angle showed lowest statistical variations after MW treatment, whereas plasma increased inhomogeneities. The final contact angle on treated specimens was lowest for PT-only specimens as well as specimens treated with plasma after MW. In contrast to the initial contact angle, the final contact angle showed lowest variations after PT. Wetting rates were insignificantly improved by plasma, with reduced statistical variations after all treatments.</p>
Video #2753 from the wettability tests of Si/h-BN spray 21E/SiC and Si/h-BN spray 401E/SiC at temperature up to 1750 C
<p>The <strong>fast-forward video</strong> was compiled based on the images recorded during the wettability test of <strong>Si/h-BN spray 21E/SiC </strong>(on the left side) and <strong>Si/h-BN spray 401E/SiC</strong> (on the right side) couples at temperature <strong>up to 1750<sup>o</sup>C</strong>. The test was performed at Foundry Research Institute facilities by using an experimental complex that has been designed for investigations of high temperature capillarity phenomena by various testing methods (classical sessile drop, pendant drop, dispensed drop, sandwiched drop, transferred drop, drop sucking, drop pushing, drop smearing or rubbing).</p> <p>A more detailed description of the experimental complex is shown elsewhere:</p> <p>Sobczak N, Nowak R, Radziwill W, Budzioch J, Glenz A, Experimental complex for investigations of high temperature capillarity phenomena, Mater Sci Eng A 495 (2008) 43–49</p> <p>The results of wettability test are described in:</p> <p>W. Polkowski, N. Sobczak, D. Giuranno, A. Kudyba, G. Bruzda, R. Nowak, A. Polkowska, Suppressing of ultra-high temperature wetting between molten Si and SiC by using h-BN spray coatings, 73<sup>rd</sup> World Foundry Congress, Kraków, Polska, 09/2018, DOI: 10.5281/zenodo.1436514</p>
Video #2745 from the wettability tests of Si/h-BN and Si-30B (wt %)/h-BN couples at temperature up to 1750 C
<p>The video was recorded during the wettability test of <strong>Si/h-BN</strong> (on the right side) and <strong>Si-30B (wt %)/h-BN</strong> (on the left side) couples at temperature <strong>up to 1750 C</strong>. The test was performed at Foundry Research Institute facilities by using an experimental complex that has been designed for investigations of high temperature capillarity phenomena by various testing methods (classical sessile drop, pendant drop, dispensed drop, sandwiched drop, transferred drop, drop sucking, drop pushing, drop smearing or rubbing).</p> <p>A more detailed description of the experimental complex is shown elsewhere:</p> <p>Sobczak N, Nowak R, Radziwill W, Budzioch J, Glenz A, Experimental complex for investigations of high temperature capillarity phenomena, Mater Sci Eng A 495 (2008) 43–49</p>
Video #2746 from the wettability tests of Si-30B (wt %)/Si/h-BN and Si-30B (wt %)/Si/graphite couples at temperature up to 1750 C
<p>The video was recorded during the wettability test of <strong>Si-30B (wt %)/Si/h-BN</strong> (on the right side) and <strong>Si-30B (wt %)/Si/graphite</strong> (on the left side) couples at temperature <strong>up to 1750 C</strong>. The test was performed at Foundry Research Institute facilities by using an experimental complex that has been designed for investigations of high temperature capillarity phenomena by various testing methods (classical sessile drop, pendant drop, dispensed drop, sandwiched drop, transferred drop, drop sucking, drop pushing, drop smearing or rubbing).</p> <p>A more detailed description of the experimental complex is shown elsewhere:</p> <p>Sobczak N, Nowak R, Radziwill W, Budzioch J, Glenz A, Experimental complex for investigations of high temperature capillarity phenomena, Mater Sci Eng A 495 (2008) 43–49</p>
Raw data for publication: Simultaneous Improvement of Surface Wettability and UV Resistance of Wood with Lignin-Based Treatments
<p>These files contain:</p> <p>CIE Lab* color coordinates measured on the surface of wood samples.</p> <p>Calculations of physical test of wood samples modified with different treatments.</p> <p>Scan of samples modified with different treatments after radiation tests.</p>
MFMET webinar - 03. Wettability and surface roughness
<p>This video presents measurements of surface properties in microfluidics. The measured quantities are wettability, surface energy, and surface roughness.</p> <p>Further reading can be found:<br> <br>Reference:<br>Deliverable 5 - Guidelines for the measurement of key performance parameters of microfluidic connections including the identification of key properties in an interface. <a href="https://doi.org/10.5281/zenodo.10731759">Link</a></p> <p><br>The project (20NRM02 MFMET) have received funding from the EMPIR programme co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme.</p>
Video #2797 from the wettability tests of Si/SiC and Si/ZrO2 composite at temperature up to 1750 C
<p>The <strong>fast-forward video</strong> was compiled based on the images recorded during the wettability test of <strong>Si/polycrystalline SiC (HeBoSint D100) </strong>(on the left side) and <strong>Si/polycrystalline ZrO<sub>2</sub> </strong>(on the right side) couples at temperature <strong>up to 1750<sup>o</sup>C</strong>. The test was performed at Foundry Research Institute facilities by using an experimental complex that has been designed for investigations of high temperature capillarity phenomena by various testing methods (classical sessile drop, pendant drop, dispensed drop, sandwiched drop, transferred drop, drop sucking, drop pushing, drop smearing or rubbing).</p> <p>A more detailed description of the experimental complex is shown elsewhere:</p> <p>Sobczak N, Nowak R, Radziwill W, Budzioch J, Glenz A, Experimental complex for investigations of high temperature capillarity phenomena, Mater Sci Eng A 495 (2008) 43–49</p>
Video #2804 from the wettability tests of Si-3.2B alloy/h-BN and Si-3.2B alloy/Zh-BN composite at temperature up to 1750 C
<p>The <strong>fast-forward video</strong> was compiled based on the images recorded during the wettability test of <strong>Si-3.2B alloy/h-BN (HeBoSint D100) </strong>(on the left side) and <strong>Si-3.2B alloy/h-BN composite (HeBoSint O120) </strong>(on the right side) couples at temperature <strong>up to 1750<sup>o</sup>C</strong>. The test was performed at Foundry Research Institute facilities by using an experimental complex that has been designed for investigations of high temperature capillarity phenomena by various testing methods (classical sessile drop, pendant drop, dispensed drop, sandwiched drop, transferred drop, drop sucking, drop pushing, drop smearing or rubbing).</p> <p>A more detailed description of the experimental complex is shown elsewhere:</p> <p>Sobczak N, Nowak R, Radziwill W, Budzioch J, Glenz A, Experimental complex for investigations of high temperature capillarity phenomena, Mater Sci Eng A 495 (2008) 43–49</p>
Video #2774 from the wettability tests of Si-5.7B alloy/h-BN and Si-5.7B alloy/h-BN composite at temperature up to 1750 C
<p>The <strong>fast-forward video</strong> was compiled based on the images recorded during the wettability test of <strong>Si-5.7B alloy/h-BN (HeBoSint D100) </strong>(on the left side) and <strong>Si-5.7B alloy/h-BN composite (HeBoSint O120) </strong>(on the right side) couples at temperature <strong>up to 1750<sup>o</sup>C</strong>. The test was performed at Foundry Research Institute facilities by using an experimental complex that has been designed for investigations of high temperature capillarity phenomena by various testing methods (classical sessile drop, pendant drop, dispensed drop, sandwiched drop, transferred drop, drop sucking, drop pushing, drop smearing or rubbing).</p> <p>A more detailed description of the experimental complex is shown elsewhere:</p> <p>Sobczak N, Nowak R, Radziwill W, Budzioch J, Glenz A, Experimental complex for investigations of high temperature capillarity phenomena, Mater Sci Eng A 495 (2008) 43–49</p>
Data Supplement for "Wettability Gradient-Driven Droplets with an Applied External Force"
<p>Data set and python code to recreate the figures of "Wettability Gradient-Driven Droplets with an Applied External Force".</p>
dataset for experimental study of 'Role of the calcite-water interface in wettability alteration during low salinity waterflooding '
<p>In order to understand the pore- and mineral-surface-scale processes that underpin improved oil recovery during controlled salinity waterflooding, the streaming potential measurements. The two carbonate samples tested, Carbonate-I and Carbonate-II, have the same mineralogy, but the zeta potential of Carbonate-II is anomalously negative in highly saline, natural formation brine compared to the conventionally conventional positive value for Carbonate-I. After aging with same crude oil and using the same coreflooding protocol, improved oil recovery was observed in the oil-brine-Carbonate-II system during low salinity waterflooding, but not in the Carbonate-I system. We suggest that textural differences cause calcite crystal edges in Carbonate-II to be preferentially exposed to the brine in the pore-space, yielding different calcite-brine interfacial behaviour compared to the calcite crystal faces exposed in Carbonate-I.</p>
Data from: Wettability of juvenile plumage as a major cause of mortality threatens endangered Barau's Petrel
Seabirds spend most of their life at sea and have to possess a waterproof plumage to be able to sit on water for extended periods. We tracked juvenile Barau's petrels for the first time, when they leave their birth colony and found that half of the transmitters stopped soon after they first landed on the water off Réunion Island. We suspected from observation at sea that birds may have problems with the waterproofness of their plumage. Therefore during the next season we set up a simple protocol to assess waterproofness of the plumage of the birds just before they fledge. This protocol is based on the calculation of a wettability index expressed as the mass of water logged in the plumage after simulating the bird sitting on the sea surface. We found that at least one third of chicks ready to fledge gained more than 4 g of water in 20 sec, indicating that plumage was not waterproof. Within a sample of birds having fledged and before reaching the sea surface, a similar proportion of birds had their plumage not waterproof. For the birds tracked, only those with an index indicating a waterproof plumage successfully dispersed after their first touch on the sea surface. We provide evidence of a possible major cause of mortality of juvenile seabirds that has not been described previously in wild seabirds, but could exist in other species. This issue may be a major cause of threat to the endangered Barau's petrel.
The effects of temperature and initial brine saturation on wettability and low-salinity waterflooding performance
<p>The attachments are the saturation data for both low-salinity waterflooding and high-salinity waterflooding in Experiments 1 and 2.</p>
Supplementary datasets from: The wettability of electron spun membranes by synovial fluid
<p>Aseptic loosening due to periprosthetic osteolysis has been accepted as one of the leading causes of revision procedures in patients with previous joint arthroplasty. Recently, several strategies for suppression of osteolysis were proposed, mostly based on biological treatment such as mitigation of chronic inflammatory reactions. However, these biological treatments do not stop the debris migration but only reduce the inflammatory reaction. To address this shortcoming, we propose the concept of ultrahigh molecular weighted polyethylene (UHMWPE) particles filtration-storage by electrospun membranes. Firstly, the surface tension of synovial fluid is obtained by use of a pendant droplet. Secondly, the contact angle of the electrospun membranes wetted by two different liquids is measured to obtain the free surface energy using of the Owens-Wendt model. Additionally, the wettability of electrospun membranes by synovial fluid as a function of technology parameters is studied.</p>
Microstructured Magnetoactive Elastomers for Switchable Wettability
<p>Data for the Figures in Microstructured Magnetoactive Elastomers for Switchable Wettability </p> <p><a href="https://doi.org/10.3390/polym14183883">https://doi.org/10.3390/polym14183883</a></p>
Video #2752 from the wettability tests of Si/h-BN and Si/h-BN composite at temperature up to 1750 C
<p>The <strong>fast-forward video</strong> was compiled based on the images recorded during the wettability test of <strong>Si/h-BN (HeBoSint D100)</strong> (on the left side) and <strong>Si/(HeBoSint O120)</strong>(on the right side) couples at temperature <strong>up to 1750<sup>o</sup>C</strong>. The test was performed at Foundry Research Institute facilities by using an experimental complex that has been designed for investigations of high temperature capillarity phenomena by various testing methods (classical sessile drop, pendant drop, dispensed drop, sandwiched drop, transferred drop, drop sucking, drop pushing, drop smearing or rubbing).</p> <p>A more detailed description of the experimental complex is shown elsewhere:</p> <p>Sobczak N, Nowak R, Radziwill W, Budzioch J, Glenz A, Experimental complex for investigations of high temperature capillarity phenomena, Mater Sci Eng A 495 (2008) 43–49</p> <p>The results of wettability test are described in:</p> <p>W. Polkowski, N. Sobczak, A. Polkowska, R. Nowak, A. Kudyba, G. Bruzda, D. Giuranno, A. Generossi, B. Pacci, D. M. Trucchi, Ultra-high temperature interaction between h-BN based composite and molten silicon, Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, DOI: 10.1007/s11661-018-5035-z</p>
Data for "Wettability alteration of microfluidic devices by in situ plasma"
<p>Here are the data associated with the paper entitled "Wettability alteration of microfluidic devices by in situ plasma": measurements of contact angle (varying with treatment time, and with aging), and XPS spectra. </p>
Effects of surface wettability on (001)-WO3 and (100)-WSe2 : A spin-polarized DFT-MD study
<p>An extensive understanding of WO3 and WSe2 bulk crystalline structures and explicit solvent effects on (001)-<br> WO3 and (100)-WSe2 facets are essential for design of efficient (photo) electrocatalysts. The atomistic level<br> understanding of both WO3 and WSe2 bulk solids and how water solvation processes occur on WO3 and WSe2<br> facets are nowadays characterized by a noticeable lack of knowledge.</p> <p><br> Herein, forefront Density Functional Theory-based molecular dynamics have been conducted for assessing<br> the role of an explicit water environment in the characterization of solid surfaces. Water at the interface<br> and H-bonds environment, as well as WO3 and WSe2 surface activity, will be described in terms of surface<br> wettability and interfacial water dynamics, revealing the relevance of treating explicitly liquid water and its<br> dynamics in assessing catalytic features. We provide pieces of evidence of the hydrophobic character shown by<br> (001)-WO3 and (100)-WSe2 facets. A preferential in-plane hydration structure of the first water layer has been<br> detected at both (001)-WO3 and (100)-WSe2 water interface, in which the electric dipole moment of water<br> molecules is re-oriented in a sort of 2-dimensional H-bond network. Bulk property calculations of WO3 and<br> WSe2 are also provided</p>
Supplementary datasets from: The wettability of electron spun membranes by synovial fluid
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Attachment force (mN) of bed bugs Cimex lectularius males on Perspex (PMMA) in relation to surface roughness and wettability
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