Relevant bibliographies by topics / Contact angles

Contents

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

Academic literature on the topic 'Contact angles'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 January 2023

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Journal articles on the topic "Contact angles"

1

Merchant, Gregory J., and Joseph B. Keller. "Contact angles." Physics of Fluids A: Fluid Dynamics 4, no. 3 (1992): 477–85. http://dx.doi.org/10.1063/1.858320.

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Yang, S. Y., G. J. Hirasaki, S. Basu, and R. Vaidya. "Mechanisms for contact angle hysteresis and advancing contact angles." Journal of Petroleum Science and Engineering 24, no. 2-4 (1999): 63–73. http://dx.doi.org/10.1016/s0920-4105(99)00049-2.

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Wang, J. H., P. M. Claesson, J. L. Parker, and H. Yasuda. "Dynamic Contact Angles and Contact Angle Hysteresis of Plasma Polymers." Langmuir 10, no. 10 (1994): 3887–97. http://dx.doi.org/10.1021/la00022a080.

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Chen, Yongjiang, and Wencheng Tang. "Determination of contact stiffness in ball screws considering variable contact angles." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 12 (2014): 2193–203. http://dx.doi.org/10.1177/0954406213516304.

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The contact angles formed at the position of each ball in ball screws are conventionally assumed to be a constant value in determination of contact stiffness. In this study, instead of being treated as pre-assumed constants, the contact angle is formulated as functions of the position angle of balls to reflect their distribution dependent on the operation condition and design parameters. After establishing a proper transformed coordinate system according to the ball screw mechanism, the variable contact angles and normal forces of the ball screw are predicted. Then the contact stiffness obtaine
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Wong, Ten It, Hao Wang, Fuke Wang, et al. "Empirical Formulae in Correlating Droplet Shape and Contact Angle." Australian Journal of Chemistry 69, no. 4 (2016): 431. http://dx.doi.org/10.1071/ch15730.

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In contact angle measurements, direct identification of the contact angles from images taken from a goniometer suffers from errors caused by optical scatterings. Contact angles can be more accurately identified by the height and width of the droplet. Spherical dome is a simple model used to correlate the contact angles to the droplet shape; however, it features intrinsic errors caused by gravity-induced shape deformation. This paper demonstrates a simple method of obtaining an empirical formula, determined from experiments, to correct the gravity-induced error in the spherical dome model for c
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Darvell, B. W., M. D. Murray, and N. H. Ladizesky. "Contact angles: a note." Journal of Dentistry 15, no. 2 (1987): 82–84. http://dx.doi.org/10.1016/0300-5712(87)90005-4.

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Neogi, P. "Large dynamic contact angles." Chemical Engineering Science 65, no. 2 (2010): 708–12. http://dx.doi.org/10.1016/j.ces.2009.09.024.

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Li, Gang. "Superhydrophobicity of Silicon-Based Microstructured Surfaces." Advanced Materials Research 989-994 (July 2014): 267–69. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.267.

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Here, a simple method was presented for fabricating superhydrophobic silicon surfaces. Square-pillar-array samples were fabricated on silicon substrates by using the femtosecond laser micromachining technology. We measured the static and dynamic contact angles for water on these surfaces. The contact angles and the rolling angles on the silicon surfaces were measured through an optical contact angle meter. Wettability studies revealed the films exhibited a superhydrophobic behaviour with a higher contact angle and lower rolling angle-a water droplet moved easily on the surface.
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B, Guo. "Effect of Fluid Contact Angle of Oil-wet Ceramic Fracture Proppant on the Water Flow from Sandstones to Proppant Packs." Petroleum & Petrochemical Engineering Journal 6, no. 1 (2022): 1–9. http://dx.doi.org/10.23880/ppej-16000295.

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Ceramic fracture proppants are extensively used for enhancing oil and gas well productivity in low-permeability reservoirs. Previous work reported attracting-oil-repelling-water (AORW) property of oil-wet proppants at the faces of fractures. Because of lack of method for measuring contact angle of proppant packs, the terms water-wet proppant and oil-wet proppant were defined on the basis of observations of liquid droplets on the surfaces of proppant packs without quantitative measurement. An innovative method was developed in this study to determine the contact angles of fracture proppant pack
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Wang, Ming, and Boyun Guo. "Effect of Fluid Contact Angle of Oil-Wet Fracture Proppant on the Competing Water/Oil Flow in Sandstone-Proppant Systems." Sustainability 14, no. 7 (2022): 3766. http://dx.doi.org/10.3390/su14073766.

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Ceramic fracture proppants are extensively used for enhancing the recovery of fossil energy and geothermal energy. Previous work has reported the attracting-oil-repelling-water (AORW) property of oil-wet proppants at the faces of fractures. Because of the lack of a method for measuring the contact angle of proppant packs, the terms water-wet proppant and oil-wet proppant were defined based on observations of liquid droplets on the surfaces of proppant packs without quantitative measurement. An innovative method was developed in this study to determine the contact angles of fracture proppant pa
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Dissertations / Theses on the topic "Contact angles"

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Lam, C. N. Catherine. "A study of advancing & receding contact angles and contact angle hysteresis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ58840.pdf.

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Kwok, Daniel Yu Hing. "Contact angles and surface energetics." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0004/NQ35214.pdf.

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Andrieu, Claire. "Angles de contact et demouillage." Paris 6, 1995. http://www.theses.fr/1995PA066247.

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Nous avons etudie la stabilite d'un film liquide d'epaisseur superieure a quelques microns, depose sur une surface non-mouillante. Un tel film est metastable et demouille des qu'une zone de taille suffisante est assechee. Afin de mesurer simultanement la vitesse de demouillage et l'angle de contact dynamique, nous avons mis au point une technique reposant sur les proprietes optiques d'un coin de liquide (technique de la grille). Pour des liquides visqueux, la vitesse et l'angle dynamique (qui est petit devant l'angle d'equilibre), ne dependent pas de l'epaisseur du film natif. Nous avons inter
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Amirfazli, Alidad. "Drop size dependence of contact angles and line tension." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ59012.pdf.

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Lennon, Kieran James. "Factors influencing adhesion behaviour of tablet film coats." Thesis, De Montfort University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250779.

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Klitz, Margrit [Verfasser]. "Numerical Simulation of Droplets with Dynamic Contact Angles / Margrit Klitz." Bonn : Universitäts- und Landesbibliothek Bonn, 2015. http://d-nb.info/1077289197/34.

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Eratak, Deniz Ozlem. "Determination Of Contact Angles Of Powders By Capillaric Dewatering Of Filter Cakes." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12605901/index.pdf.

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Solid-liquid contact angle is an important parameter in many particulate processes of the mineral, ceramic and chemical industries. In particular, modification of the contact angle through surface active agents plays a crucial role in froth flotation of minerals. In the case of flat solid surfaces, direct measurement of the contact angle is possible. However, such flat surfaces can not be obtained with finely divided solids typically encountered in flotation applications. Then, indirect methods based on powder beds as thin layers of powders deposited on glass plates or packed columns are used
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Rutherford, Christine Elizabeth. "Contact angles in relation to the effects of solid particles on foam stability." Thesis, University of Hull, 1995. http://hydra.hull.ac.uk/resources/hull:14124.

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This thesis is concerned with the bridging-dewetting mechanism of foam breakdown by spherical hydrophobic particles. The role of contact angles (of solid with surfactant solution) in foam breakdown by particles has previously been investigated using particles of ill-defined shape. As contact angle requirements are shape dependent, conclusions have often been tentative. Further, it has been assumed that the contact angles measured on flat surfaces represent those occurring on particles of similar surface molecular structure. In the work to be described, we first establish, using a Langmuir trou
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Rivollet, Isabelle. "Angles de contact et adhésion thermodynamique dans les systèmes non réactifs métal-alumine." Grenoble INPG, 1986. http://www.theses.fr/1986INPG0133.

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Etude experimentale de 2 effets susceptibles de masquer les proprietes intrinseques des interfaces : l'effet de la rugosite et l'effet de l'oxygene. Pour l'effet de la rugosite, construction d'un appareillage permettant de mesurer les angles de contact jusqu'a 1873k par la methode "immersion-emersion"; determination de la variation du domaine d'hysteresis de l'angle de contact dans les systemes s nonnal::(2)o::(3), p nonbal::(2)o::(3) et pb oxyde nonal::(2)o::(3). Etude de l'effet de l'oxygene par la methode de la "goutte posee" pour le systeme s nonnal::(2)o::(3) entre 510 et 1573k sous diffe
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Rivollet, Isabelle. "Angles de contact et adhésion thermodynamique dans les systèmes non réactifs métal-alumine." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb376008028.

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Books on the topic "Contact angles"

1

Lam, C. N. Catherine. A study of advancing & receding contact angles and contact angle hysteresis. National Library of Canada, 2001.

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Toronto), International Symposium on Contact Angles and Wetting Phenomena (1990. Contact angles and wetting phenomena: A collection ofpapers presented at an International Symposium on Contact Angles and Wetting Phenomena, Toronto, Canada, 21-23 June 1990. Elsevier, 1992.

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Okatan, Leyla. A study of drop size dependence of contact angles for small drops. National Library of Canada, 2002.

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1945-, Mittal K. L., ed. Contact angle, wettability and adhesion. VSP, 2006.

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Vos anges n'attendent que vous: Comment entrer en contact, communiquer et guérir avec les anges. Guy Saint-Jean Éditeur, 2015.

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Spirit guides & angel guardians: Contact your invisible helpers. Llewellyn Publications, 1998.

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Tennant, Cathy. Pyrrhotite floatability studies by contact angle measurements. Laurentian University, School of Engineering, 2001.

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Mittal, K. L., ed. Advances in Contact Angle, Wettability and Adhesion. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119117018.

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Mittal, K. L., ed. Advances in Contact Angle, Wettability and Adhesion. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118795620.

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Mittal, K. L., ed. Advances in Contact Angle, Wettability and Adhesion. John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119459996.

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Book chapters on the topic "Contact angles"

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Law, Kock-Yee, and Hong Zhao. "What Do Contact Angles Measure?" In Surface Wetting. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-25214-8_5.

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de Lourdes Costa, Maria, Catherine Ringard, Marie-Martine Boissonnade, and Adam Baszkin. "Contact Angles on Polymer Reference Materials." In The Reference Materials of the European Communities. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7993-3_4.

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Gaydos, J., C. J. Budziak, D. Li, and A. W. Neumann. "Contact Angles on Imperfect Solid Surfaces." In Surface Engineering. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0773-7_11.

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Indeikina, Alexandra, and Hsueh-Chia Chang. "A Molecular Theory for Dynamic Contact Angles." In IUTAM Symposium on Non–Linear Singularities in Deformation and Flow. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4736-1_28.

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Hocking, Leslie. "Contact Angles And Van Der Waals Forces." In Fluid Mechanics and Its Applications. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0796-2_15.

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Baszkin, A. "Contact Angles and Surface Free Energies of Solids." In Test Procedures for the Blood Compatibility of Biomaterials. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1640-4_23.

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Starov, Victor M., and Manuel G. Velarde. "Hysteresis of Contact Angles Based on Derjaguin’s Pressure." In Wetting and Spreading Dynamics. CRC Press, 2019. http://dx.doi.org/10.1201/9780429506246-3.

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Rouxhet, Paul G. "Contact Angles and Surface Energy of Solids: Relevance and Limitations." In Advances in Contact Angle, Wettability and Adhesion. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118795620.ch20.

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ElSherbini, A. I., and A. M. Jacobi. "Critical contact angles for liquid drops on inclined surfaces." In Surface and Colloid Science. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b97081.

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Slattery, J. C. "Moving Common Lines, Thin Films, and Dynamic Contact Angles." In Modelling Macroscopic Phenomena at Liquid Boundaries. Springer Vienna, 1991. http://dx.doi.org/10.1007/978-3-7091-2612-7_6.

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Conference papers on the topic "Contact angles"

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Laga, Ekaterina, and Sergey Borovikov. "Dynamic contact angles and contact angle hysteresis on laser-textured aluminum alloy surfaces." In THERMOPHYSICAL BASIS OF ENERGY TECHNOLOGIES (TBET 2020). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0047327.

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Magos, Istvan, and Corneliu Balan. "Contact Angles on Spherical Hydrophilic Surfaces." In 2021 12th International Symposium on Advanced Topics in Electrical Engineering (ATEE). IEEE, 2021. http://dx.doi.org/10.1109/atee52255.2021.9425277.

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Nagai, Niroh, Masanori Takeuchi, Teruo Kimura, and Takenori Kanashima. "ATTEMPTS FOR MEASURING CONTACT ANGLES ON SUPERHEATED WALLS." In International Heat Transfer Conference 11. Begellhouse, 1998. http://dx.doi.org/10.1615/ihtc11.3050.

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Schurzig, Daniel, Sebastian Tatzko, Lars Panning-von Scheidt, and Jörg Wallaschek. "Modeling Contact Dynamics of Vanes With Adjustable Upstream Flow Angles." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68185.

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In this paper, a simulation method is proposed for a sub-category of compressor vanes showing nonlinear behavior due to an adjustable upstream flow angle. The proposed algorithm computes the forced response of a single vane based on the New-mark time stepping scheme after reducing the structural matrices using the Craig-Bampton method. The contacts are modeled by Coulomb friction and Newton impact constraints. Contact forces are determined using linear complementarity conditions with decoupled orthogonal friction force directions. Different discretization methods for the cylindrical contact pa
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Ni, Qi, Timo Marschke, Samuel Steele, Najafi Seyed, and Nathan B. Crane. "Studying of Contact Angle Friction and Contact Angle Hysteresis (CAH) Though Force Measurements." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89869.

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A novel method of measuring contact line friction and contact angle hysteresis is described. In this method, a droplet is constrained between two surfaces while the surface of interest initiates motion. The results are compared to conventional characterization methods such as measuring the angle of inclined plane for droplet motion and measuring advancing and receding contact angles by infusing/withdrawing liquid from the substrate. At slow speeds, the proposed method provides a measure of the hysteresis but can also capture information about the contact line friction and viscous affects. Drop
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Anantharaju, Neeharika, Mahesh Panchagnula, Wayne Kimsey, Sudhakar Neti, and Svetlana Tatic-Lucic. "Surface Topography Induced Ultrahydrophobic Behavior: Effect of Three-Phase Contact Line Topology." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15266.

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The wettability of silicon surface hydrophobized using silanization reagents was studied. The advancing and receding contact angles were measured with the captive needle approach. In this approach, a drop under study was held on the hydrophobized surface with a fine needle immersed in it. The asymptotic advancing and receding angles were obtained by incrementally increasing the volume added and removed, respectively, until no change in angles was observed. The values were compared with the previously published results. Further, the wetting behavior of water droplets on periodically structured
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Chen, Jyh Jian, Guan Wei Duan, Jyun Cian Jheng, Jhen Yu Wu, Muw Shing Liu, and Jenn Der Lin. "Filling Processes of Microfluidic Flows with Dynamic Contact Angles." In 38th Fluid Dynamics Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-4280.

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Annapragada, S. Ravi, Jayathi Y. Murthy, and Suresh V. Garimella. "Forces Acting on Sessile Droplet on Inclined Surfaces." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88365.

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Although many analytical, experimental and numerical studies have focused on droplet motion, the mechanics of the droplet while still in its static state, and just before motion starts, are not well understood. A study of static droplets would shed light on the threshold voltage (or critical inclination) for initiating electrically (or gravitationally) induced droplet motion. Before the droplet starts to move, the droplet shape changes such that the forces acting at the triple contact line balance the actuation forces. These contact line forces are governed by the contact angles along the cont
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Darabi, Pirooz, Konstantin Pougatch, Martha Salcudean, and Dana Grecov. "Numerical Studies of Stretching Liquid Bridges Between Two Spherical Solid Particles With Different Contact Angles." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37564.

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Numerical simulations of the governing Navier-Stokes equations are used to predict the rupture and liquid distribution of stretching liquid bridges between two equal-sized solid spherical particles with different liquid-solid contact angles. A commercial computational fluid dynamics (CFD) tool — FLUENT — is used. The effects of the capillary number and contact angle on the rupture distance and liquid transfer fraction are studied. The simulation results show that for particles with different contact angles, the rupture distance increases as the capillary number is increased; this is similar to
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Brumfield, Lance Austin, and Sunggook Park. "The Effects of Asymmetric Micro Ratchets on Dynamic Contact Angle and Pool Boiling Performance." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87176.

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The dynamic advancing and receding contact angles of 5μl water droplets were experimentally measured via the droplet impingement technique on a polished brass surface, one brass symmetric micro ratchet, and five brass asymmetric micro ratchet samples of varying dimensions. Droplets were released from varying heights (Weber number) and the impacts studied via high speed camera. Equilibrium advancing and receding contact angles were measured by placing a water droplet on the surfaces and tilting it. Contact angle values were then compared to an existing pool boiling model which incorporates the
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Reports on the topic "Contact angles"

1

Wu, Qihau, Kathryn Kremer, Stephen Gibbons, and Alan Kennedy. Determination of contact angle and surface tension of nanomaterial solutions by optical contact angle system. Engineer Research and Development Center (U.S.), 2019. http://dx.doi.org/10.21079/11681/33395.

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Heller, Jack, and Emily Asenath-Smith. Surface wettability using contact angle goniometry. Cold Regions Research and Engineering Laboratory (U.S.), 2018. http://dx.doi.org/10.21079/11681/26471.

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Ripple, Dean. Dynamic contact angle of a liquid spreading on a heated plate. National Institute of Standards and Technology, 1999. http://dx.doi.org/10.6028/nist.ir.6351.

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Caves, Carlton M. Final Report for Contract N00014-91-J-1167 (University of Southern California, Los Angles). Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/ada261744.

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Yu, Chau-Chih, Jin-Yan Hsu, and Tsung-Hua Hsu. The Development of Non-Contact Torque and Angle Sensor for Intelligent Power Assist System. SAE International, 2013. http://dx.doi.org/10.4271/2013-32-9119.

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Bessacini, Anthony F., and Robert F. Pinkos. Control of Remotely Guided Vehicles: A Method for Approaching a Stationary Contact at a Particular Arrival Angle or for Tail-Chasing a Moving Contact. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada328759.

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Wallach, Rony, Tammo Steenhuis, Ellen R. Graber, David DiCarlo, and Yves Parlange. Unstable Flow in Repellent and Sub-critically Repellent Soils: Theory and Management Implications. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7592643.bard.

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Water repellency causes unstable wetting fronts that result in water moving in preferential flowpaths through homogeneous soils as well in structured soils where macropores enhance the preferential flow pattern. Water repellency is typically associated with extended water ponding on the soil surface, but we have found that repellency is important even before the water ponds. Preferential flow fingers can form under conditions where the contact angle is less than 90o, but greater than 0o. This means that even when the soil is considered wettable (i.e., immediate penetration of water), water dis
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James, W. L., Y. H. Yen, and R. J. King. A microwave method for measuring moisture content, density, and grain angle of wood. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 1985. http://dx.doi.org/10.2737/fpl-rn-250.

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Shillito, Rose, Markus Berli, and Teamrat Ghezzehei. Quantifying the effect of subcritical water repellency on sorptivity : a physically based model. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41054.

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Soil water wettability or water repellency is a phenomenon that can affect infiltration and, ultimately, runoff. Thus, there is a need to develop a model that can quantitatively capture the influence of water repellency on infiltration in a physically meaningful way and within the framework of existing infiltration theory. The analytical model developed in this study relates soil sorptivity (an infiltration parameter) with contact angle (a direct measure of water repellency) for variably saturated media. The model was validated with laboratory experiments using a silica sand of known propertie
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Decleir, Cyril, Mohand-Saïd Hacid, and Jacques Kouloumdjian. A Database Approach for Modeling and Querying Video Data. Aachen University of Technology, 1999. http://dx.doi.org/10.25368/2022.90.

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Indexing video data is essential for providing content based access. In this paper, we consider how database technology can offer an integrated framework for modeling and querying video data. As many concerns in video (e.g., modeling and querying) are also found in databases, databases provide an interesting angle to attack many of the problems. From a video applications perspective, database systems provide a nice basis for future video systems. More generally, database research will provide solutions to many video issues even if these are partial or fragmented. From a database perspective, v
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