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Статті в журналах з теми "Dynamic meteorology Air entrainment"
Vandre, E., M. S. Carvalho, and S. Kumar. "Characteristics of air entrainment during dynamic wetting failure along a planar substrate." Journal of Fluid Mechanics 747 (April 14, 2014): 119–40. http://dx.doi.org/10.1017/jfm.2014.110.
Повний текст джерелаKamal, Catherine, James E. Sprittles, Jacco H. Snoeijer, and Jens Eggers. "Dynamic drying transition via free-surface cusps." Journal of Fluid Mechanics 858 (November 12, 2018): 760–86. http://dx.doi.org/10.1017/jfm.2018.794.
Повний текст джерелаAndre´s, Luis San, and Sergio E. Diaz. "Flow Visualization and Forces From a Squeeze Film Damper Operating With Natural Air Entrainment." Journal of Tribology 125, no. 2 (March 19, 2003): 325–33. http://dx.doi.org/10.1115/1.1510878.
Повний текст джерелаSprittles, James E. "Air entrainment in dynamic wetting: Knudsen effects and the influence of ambient air pressure." Journal of Fluid Mechanics 769 (March 25, 2015): 444–81. http://dx.doi.org/10.1017/jfm.2015.121.
Повний текст джерелаEsmail, M. N., and M. T. Ghannam. "Air entrainment and dynamic contact angles in hydrodynamics of liquid coating." Canadian Journal of Chemical Engineering 68, no. 2 (April 1990): 197–203. http://dx.doi.org/10.1002/cjce.5450680203.
Повний текст джерелаZhang, Wei, Bingbing Han, Kunpeng Zhang, and Qian Ding. "Dynamic Analysis of a Rotor System Supported on Squeeze Film Damper with Air Entrainment." International Journal of Bifurcation and Chaos 27, no. 14 (December 30, 2017): 1750212. http://dx.doi.org/10.1142/s0218127417502121.
Повний текст джерелаWang, Yan, Xiao-dong Ren, Xue-song Li, and Chun-wei Gu. "Numerical investigation of subsynchronous vibration in floating ring bearings." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 232, no. 11 (January 19, 2018): 1390–401. http://dx.doi.org/10.1177/1350650117753915.
Повний текст джерелаSan Andre´s, Luis, and Oscar De Santiago. "Forced Response of a Squeeze Film Damper and Identification of Force Coefficients From Large Orbital Motions." Journal of Tribology 126, no. 2 (April 1, 2004): 292–300. http://dx.doi.org/10.1115/1.1611503.
Повний текст джерелаKatta, V. R., and W. M. Roquemore. "Numerical Studies on Trapped-Vortex Concepts for Stable Combustion." Journal of Engineering for Gas Turbines and Power 120, no. 1 (January 1, 1998): 60–68. http://dx.doi.org/10.1115/1.2818088.
Повний текст джерелаDiaz, S. E., and L. A. San Andre´s. "Air Entrainment Versus Lubricant Vaporization in Squeeze Film Dampers: An Experimental Assessment of Their Fundamental Differences." Journal of Engineering for Gas Turbines and Power 123, no. 4 (October 1, 1998): 871–77. http://dx.doi.org/10.1115/1.1383258.
Повний текст джерелаДисертації з теми "Dynamic meteorology Air entrainment"
Veverka, Peter John. "An investigation of interfacial instability during air entrainment." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/5800.
Повний текст джерелаElgadafi, Mansour M. "Angled curtain coating: An experimental study. An experimental investigation into the effect of die angle on air entrainment velocity in curtain coating under a range of operating conditions." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4464.
Повний текст джерелаElgadafi, Mansour Masoud. "Angled curtain coating : an experimental study : an experimental investigation into the effect of die angle on air entrainment velocity in curtain coating under a range of operating conditions." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4464.
Повний текст джерелаCrum, Timothy D. "Case studies of the structure of the atmospheric boundary layer entrainment zone." 1985. http://catalog.hathitrust.org/api/volumes/oclc/41870232.html.
Повний текст джерелаCohu, O., and Hadj Benkreira. "Air entrainment in angled dip coating." 1998. http://hdl.handle.net/10454/812.
Повний текст джерелаThe coating flow examined here, labelled angled dip coating, is that where a substrate enters a pool of liquid forming an angle ß with the vertical so that it intersects the liquid along a wetting line which is not perpendicular to the direction of its motion. This flow situation is distinctly different from that where the substrate, inclined in the other dimension by the so-called angle of entry ¿, intersects the liquid surface perpendicularly to its motion. Experiments were carried out with various liquids to determine the effect of ß on the substrate velocity at which air is entrained into the liquid. It was observed that as this angle departs from zero, air entrainment is delayed to higher speeds. The data show that the speed which is relevant to air entrainment is not the velocity of the substrate itself but its component normal to the wetting line. This result has important practical implications and suggests that this fundamental principle is also applicable to other coating flows.
Benkreira, Hadj, and M. I. Khan. "Air entrainment in dip coating under reduced air pressures." 2008. http://hdl.handle.net/10454/808.
Повний текст джерелаThis study examines experimentally and for the first time the effect of reduced air pressure on dynamic wetting. The purpose is to assess the role of air viscosity on dynamic wetting failure which hitherto has been speculated on but not measured. In this paper we used dip coating as the model experimental flow and report data on air entrainment velocity Vae we measured with a series of silicone oils in a range of viscosities in a vacuum chamber where the pressure can be reduced from atmospheric down to a few mbar when the mean molecular free path of air is large and air ceases to have a viscosity. To complement earlier work, we carried out the experiments with a range of substrates of varying roughness. The substrates were chosen so that for each one, their two sides differ in roughness. This enables simultaneous comparative observation of their wetting performance and reduces the experimental error in assessing the role of roughness. The data presented here capture the effects of viscosity, roughness and air pressure but the important result of this study is that Vae can be increased considerably (exponentially) when the pressure is reduced with the suggestion that Vae approaches infinity as pressure approaches zero. In other words, the role of the surrounding air viscosity is important in dynamic wetting. The data from this study have significant implication to the fundamental understanding of dynamic wetting. Indeed they form the missing data link to fully understand this phenomenon. The data presented in this work also confirm the complex role of roughness, in that it can increase or decrease the air entrainment speed depending on the value on the viscosity of the coating solution. The results presented in this paper are very useful in practice as they imply that if one chooses carefully roughness one can coat viscous formulation at unexpectedly very high speeds with a moderate vacuum (50 mbar typically).
Benkreira, Hadj. "The effect of substrate roughness on air entrainment in dip coating." 2004. http://hdl.handle.net/10454/807.
Повний текст джерелаDynamic wetting failure was observed in the simple dip coating flow with a series of substrates, which had a rough side and a comparatively smoother side. When we compared the air entrainment speeds on both sides, we found a switch in behaviour at a critical viscosity. At viscosity lower than a critical value, the rough side entrained air at lower speeds than the smooth side. Above the critical viscosity the reverse was observed, the smooth side entraining air at lower speed than the rough side. Only substrates with significant roughness showed this behaviour. Below a critical roughness, the rough side always entrained air at lower speeds than the smooth side. These results have both fundamental and practical merits. They support the hydrodynamic theory of dynamic wetting failure and imply that one can coat viscous fluids at higher speeds than normal by roughening substrates. A mechanism and a model are presented to explain dynamic wetting failure on rough surfaces.
Benkreira, Hadj, and O. Cohu. "Angling the dynamic wetting line retards air entrainment in pre-metered coating processes." 1998. http://hdl.handle.net/10454/2235.
Повний текст джерелаBenkreira, Hadj. "Dynamic wetting in metering and pre-metered roll coating." 2002. http://hdl.handle.net/10454/806.
Повний текст джерелаBenkreira, Hadj, and J. Bruce Ikin. "Slot Coating Minimum Film Thickness in Air and in Rarefied Helium." 2016. http://hdl.handle.net/10454/8260.
Повний текст джерелаThis study assesses experimentally the role of gas viscosity in controlling the minimum film thickness in slot coating in both the slot over roll and tensioned web modes. The minimum film thickness here is defined with respect to the onset of air entrainment rather than rivulets, the reason being that rivulets are an extreme form of instabilities occurring at much higher speeds. The gas viscosity effects are simulated experimentally by encasing the coaters in a sealed gas chamber in which various gases can be admitted. An appropriate choice of two gases was used to compare performances: air at atmospheric pressure and helium at sub-ambient pressure (25mbar), which we establish has a significantly lower “thin film” viscosity than atmospheric air. A capacitance sensor was used to continuously measure the film thickness on the web, which was ramped up in speed at a fixed acceleration whilst visualizations of the film stability were recorded through a viewing port in the chamber. The data collected show clearly that by coating in rarefied helium rather that atmospheric air we can reduce the minimum film thickness or air/gas entrainment low-flow limit. We attribute this widening of the stable coating window to the enhancement of dynamic wetting that results when the thin film gas viscosity is reduced. These results have evident practical significance for slot coating, the coating method of choice in many new technological applications, but it is their fundamental merit which is new and one that should be followed with further data and theoretical underpinning.
Книги з теми "Dynamic meteorology Air entrainment"
1919-, Scorer R. S., ed. Dynamics of meteorology and climate. Chichester, England: Wiley, 1997.
Знайти повний текст джерелаGordon, Adrian H., and Ronald C. Taylor. Computations of Surface Layer Air Trajectories and Weather in the Oceanic Tropics (International Indian Ocean Expedition meteorological monographs). University of Hawaii Press, 1986.
Знайти повний текст джерелаV, Penenko V., and Akademii͡a︡ nauk SSSR. Sibirskoe otdelenie. Vychislitelʹnyĭ t͡s︡entr., eds. Chislennoe modelirovanie dli͡a︡ zadach dinamiki atmosfery i okhrany okruzhai͡u︡shcheĭ sredy: Sbornik nauchnykh trudov. Novosibirsk: Akademii͡a︡ nauk SSSR, Sibirskoe otd-nie, Vychislitelʹnyĭ t͡s︡entr, 1989.
Знайти повний текст джерелаЧастини книг з теми "Dynamic meteorology Air entrainment"
Yiannikopoulou, I., D. Deligiorgi, H. A. Flocas, and K. Philippopoulos. "A Dynamic-Statistical Downscaling Approach for Simulating Air Temperature Time Series." In Advances in Meteorology, Climatology and Atmospheric Physics, 811–17. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29172-2_114.
Повний текст джерелаQuante, Markus, and David O’C Starr. "Dynamic Processes in Cirrus Clouds: A Review of Observational Results." In Cirrus. Oxford University Press, 2002. http://dx.doi.org/10.1093/oso/9780195130720.003.0021.
Повний текст джерелаBrock, Fred V., and Scott J. Richardson. "Barometry." In Meteorological Measurement Systems. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195134513.003.0004.
Повний текст джерелаТези доповідей конференцій з теми "Dynamic meteorology Air entrainment"
Bourgin, Patrick, and Sylvie Saintlos. "Dynamic Effects of Air Entrainment in High Velocity Coating Flows." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0453.
Повний текст джерелаLiu, C. S. L., and S. H. K. Lee. "A Numerical Study of Dynamic Meniscus." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33717.
Повний текст джерелаColby, Patrick J., Manoj Tandon, and Raymond F. Watts. "Determination of the Air Entrainment Characteristics of Automatic Transmission Fluids Using a Dynamic Flow Apparatus." In International Fall Fuels and Lubricants Meeting and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/982669.
Повний текст джерелаMolki, Arman, Lyes Khezzar, and Afshin Goharzadeh. "Characterization of Air-Entrainment in a Plunging Water Jet System Using Image Processing: An Educational Approach." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62371.
Повний текст джерелаYan, Wang, and Li Yuhong. "Investigation of Air-Oil Distribution of Low Oil-Supplied Pressure Grooved Ring Floating Ring Bearing." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75887.
Повний текст джерелаSan Andre´s, Luis, and Oscar C. De Santiago. "Dynamic Response of Squeeze Film Dampers Operating With Bubbly Mixtures." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30317.
Повний текст джерелаTorres, Jorge E., and Sergio E. Di´az. "Finite Length Squeeze Film Dampers With Air Entrainment: Non-Dimensional Maps and Their Applicability." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22561.
Повний текст джерелаMe´ndez, Tilmer H., Marco A. Ciaccia, Jorge E. Torres, and Sergio E. Di´az. "On the Numerical Prediction of Finite Length Squeeze Film Dampers Performance With Free Air Entrainment." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50368.
Повний текст джерелаDiaz, Sergio E., and Luis A. San Andrés. "Air Entrainment vs. Lubricant Vaporization in Squeeze Film Dampers: An Experimental Assessment of Their Fundamental Differences." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-187.
Повний текст джерелаYousef, Khaled, Ahmed Hegazy, and Abraham Engeda. "Mixing of Dry Air With Water-Liquid Flowing Through an Inverted U-Tube for Power Plant Condenser Applications." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4901.
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