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Статті в журналах з теми "Bubbles – Scattering"
Ammari, Habib, Brian Fitzpatrick, David Gontier, Hyundae Lee, and Hai Zhang. "Sub-wavelength focusing of acoustic waves in bubbly media." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 473, no. 2208 (December 2017): 20170469. http://dx.doi.org/10.1098/rspa.2017.0469.
Повний текст джерелаChen, Suting. "Application Effect Analysis of the Mie Scattering Theory Based on Big Data Analysis Technology in the Optical Scattering Direction." Advances in Multimedia 2022 (September 20, 2022): 1–10. http://dx.doi.org/10.1155/2022/6158067.
Повний текст джерелаHou, Jiacheng, Zhongquan Charlie Zheng, and John S. Allen. "Immersed-boundary time-domain simulation of acoustic pulse scattering from a single or multiple gas bubble(s) of various shapes." Journal of the Acoustical Society of America 152, no. 4 (October 2022): A118. http://dx.doi.org/10.1121/10.0015738.
Повний текст джерелаLiu, Ruoyun, and Zhenglin Li. "The Effects of Bubble Scattering on Sound Propagation in Shallow Water." Journal of Marine Science and Engineering 9, no. 12 (December 16, 2021): 1441. http://dx.doi.org/10.3390/jmse9121441.
Повний текст джерелаZhang, Sai, Kai Wei Wang, Fan He, and Bin Zhou. "Simulation and Analysis of Light Scattering by Air Bubble in Optical Glass." Advanced Materials Research 1096 (April 2015): 98–102. http://dx.doi.org/10.4028/www.scientific.net/amr.1096.98.
Повний текст джерелаYe, Zhen, and Li Ding. "A study of multiple scattering in bubbly liquids by many-body theory." Canadian Journal of Physics 74, no. 3-4 (March 1, 1996): 92–96. http://dx.doi.org/10.1139/p96-014.
Повний текст джерелаPaskevicius, M., and C. E. Buckley. "Analysis of polydisperse bubbles in the aluminium–hydrogen system using a size-dependent contrast." Journal of Applied Crystallography 39, no. 5 (September 12, 2006): 676–82. http://dx.doi.org/10.1107/s0021889806032407.
Повний текст джерелаThomas, Gilles P., Tatiana D. Khokhlova, Oleg A. Sapozhnikov, and Vera A. Khokhlova. "Extension of boiling histotripsy lesions by axial focus steering during pulse delivery." Journal of the Acoustical Society of America 152, no. 4 (October 2022): A248. http://dx.doi.org/10.1121/10.0016164.
Повний текст джерелаBren˜a de la Rosa, A., S. V. Sankar, B. J. Weber, G. Wang, and W. D. Bachalo. "A Theoretical and Experimental Study of the Characterization of Bubbles Using Light Scattering Interferometry." Journal of Fluids Engineering 113, no. 3 (September 1, 1991): 460–68. http://dx.doi.org/10.1115/1.2909518.
Повний текст джерелаQian, Shao Yu, and John J. J. Chen. "Experimental Investigation of Mueller Matrix of a Bidispersed Foam Using Polarised Light Scattering." Advanced Materials Research 1101 (April 2015): 303–6. http://dx.doi.org/10.4028/www.scientific.net/amr.1101.303.
Повний текст джерелаДисертації з теми "Bubbles – Scattering"
Kapodistrias, Georgios. "A theoretical and experimental study on multiple scattering from bubbles, with emphasis on scattering from a bubble located close to the air-sea interface /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/7150.
Повний текст джерелаGuan, Jingfeng. "Light scattering and imaging techniques applied to sonoluminescence and ultrasound contrast bubbles /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/5883.
Повний текст джерелаChen, Xiaojun. "Multiple Scattering from Bubble Clouds." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_theses/36.
Повний текст джерелаWilson, Preston Scot. "Sound propagation and scattering in bubbly liquids." Thesis, Boston University, 2002. https://hdl.handle.net/2144/1369.
Повний текст джерелаUnited States Navy Office of Naval Research Ocean Acoustics Program
Guichou, Rafaël. "Etude des perturbations du champ électromagnétique par un écoulement de métal liquide contenant une inclusion isolante." Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0044/document.
Повний текст джерелаThis thesis is included in the conception of the prototype of Sodium Fast Reactor (SFR) ASTRID, currently studied in the CEA Cadarache. Velocimetry of liquid sodium in the primary andsecondary loops, and bubble detection in sodium (e.g. in case of leaks) represent a major issue for the control and oversight of the reactor. The electrical conductive property of liquid sodium allows to consider the use of Eddy Current Flow Meters (ECFM) for this purpose. A previous thesis realized by Mithlesh Kumar highlighted a decoupling of the signal measured with the ECFMrelative to the velocity, to the one relative to the presence of heterogeneities (such as bubbles). The object of the present thesis is to caracterize experimentally and analytically the effects of velocity and the effects of the presence of an insulating inclusion on the measured signal, thanks to modeled flows. This approach, complementary with most of the studies of real flows existing in the litterature, aims to give a tool for a physical comprehension of the system. Two experimental set-ups with liquid metal (galinstan) have been developed. The first set-up represent a galinstan flow in a cylindrical duct at uniform velocity (plug flow), advecting electrically insulating rigidinclusion simulating a bubble. The second experimental set-up is a galinstan flow in a cylindrical duct without inclusion. The controled parameters are the flow velocity (from 0.01 to 1 m/s), the size and location of the inclusion (radius from 1 to 2.5 mm, depth of 3 and 6 mm) and the frequency (from 0.5 to 20 kHz). The radius of the duct is equal to 12.5 mm, and the skin depth varies between 2.4 and 15.3 mm for this frequency range. Two theoretical models, based on the resolution of the induction equation of the vector potential, are moreover developed to determine velocity effects and inclusion effects on the measured signal. In both experimental studies, it is shown that the measured signal relative to the liquid metal velocity varies linearly with velocity and is maximal at a given frequency (f = 2 kHz here). These results are corresponding well with those of the first theoretical model and show a good agreement with litterature. Besides, in the first experimental study, the passage of the inclusion through the ECFM manifests itself by an oscillation of the measured signal. The behaviour of the oscillation is well described by the second theoretical model within the limit of low frequencies (up to 2 kHz) : the amplitude of the oscillation is then proportionnal to the inclusion volume and follows a power law in f^2. At high frequencies, it is shown that amplitude and phaseshift of the measured signal relative to the presence of an inclusion are highly impacted by inclusion size and depth. A first step of inverse method is developed from this result, in order to determine size and location of an inclusion
"Studies on nanobubbles in aqueous solutions." Thesis, 2007. http://library.cuhk.edu.hk/record=b6074438.
Повний текст джерелаChapter 2 introduces the theories of static and dynamic light scattering and Zeta-potential measurements as well as the details of the instrument set-up. In this chapter, the fundamental equations of the scattering theory are figured out basis on the quasi-classical electrodynamics and combination of the statistical mechanics as well as molecular dynamic theory. Finally, the statistical properties of photon counting are discussed.
In chapter 3, aqueous solutions of tetrahydrofuran, ethanol, urea and alpha-cyclodextrin were studied by a combination of static and dynamic laser light scattering (LLS). In textbooks, these small organic molecules are soluble in water so that there should be no observable large structures or density fluctuation in either static or dynamic LLS. However, a slow mode has been consistently observed in these aqueous solutions in dynamic LLS. Such a slow mode was previously attributed to some large complexes or supramolecular structures formed between water and these small organic molecules, Our current study reveals that it is actually due to the existence of small bubbles (∼100 nm in diameter) formed inside these solutions. Our direct evidence comes from the fact that it can be removed by repeated filtration and regenerated by air purging. Our results also indicate that the formation of such nanobubbles in small organic molecules aqueous solutions is a universal phenomenon. Such formed nanobubbles are rather stable. The measurement of isothermal compressibility confirms the existence of a low density micro-phase, presumably nanobubbles, in these aqueous solutions. Using a proposed structural model, i.e., each bubble is stabilized by small organic molecules adsorbed at the gas/water interface, we have, for the first time, estimated the pressure inside these nanobubbles.
In chapter 4, by using a combination of laser light scattering (LLS) and zeta-potential measurements, we investigated effects of salt concentration and pH on stability of the nanobubbles in alpha-cyclodextrin (alpha-CD) aqueous solutions. Our LLS results reveal that the nanobubbles are unstable in solutions with a higher ionic strength, just like colloidal particles in an aqueous dispersion, but become more stable in alkaline solutions. The zeta-potential measurement shows that the nanobubbles are negatively charged with an electric double layer, presumably due to the adsorption of negative OTT ions at the gas/water interface. It is this double layer that plays dual roles in the formation of stable nanobubbles in aqueous solutions of water-soluble organic molecules; namely, it not only provides a repulsive force to prevent the inter-bubble aggregation and coalescence, but also reduces the surface tension at the gas/water interface to decreases the internal pressure inside each bubble.
In chapter 5, the addition of salt can induce slow coalescence of nanobubbles (∼100 nm) in an aqueous solution of alpha-cyclodextrin (alpha-CD). A combination of static and dynamic laser light scattering was used to follow the coalescence. Our results reveal that its kinetic and structural properties follow some scaling laws; namely, the average size (<zeta>) of nanobubbles is related to their average mass (<M>) and the coalescence time (t) as <M> <zeta>dr and <zeta> ∼ tgamma with two salt-concentration dependent scaling exponents (df and gamma) For a lower sodium chloride concentration (C NaCl = 40 mM), gamma = 0.13 +/- 0.01 and df = 1.71 +/- 0.02. The increase of CNaCl to 80 mM results in gamma = 0.32 +/- 0.01 and df = 1.99 +/- 0.01. The whole process has two main stages: the aggregation and the coalescence. At the lower C NaCl, the process essentially stops in the aggregation stage with some limited coalescence. At higher CNaCl leads the coalescence after the aggregation and results in large bubbles.
In this thesis, the nanobubbles in the aqueous solutions have been studied by using combination of static and dynamic laser light scattering (LLS), isothermal compressibility measurements and Zeta-potential measurements. We found that the nanobubbles extensively exist in aqueous solutions and the interface of each nanobubble is negatively charged. The addition of electrolytes can destabilize such interface to induce the coalescence of nanobubbles.
Jin, Fan.
"Aug 2007."
Adviser: Chi Wu.
Source: Dissertation Abstracts International, Volume: 69-02, Section: B, page: 1030.
Thesis (Ph.D.)--Chinese University of Hong Kong, 2007.
Includes bibliographical references (p. 108).
Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.
Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web.
Abstract in English and Chinese.
School code: 1307.
Thompson, Matt Andrew Trevor. "Measuring helium nano-bubble formation in tungsten with grazing-incidence small angle X-ray scattering." Phd thesis, 2016. http://hdl.handle.net/1885/112236.
Повний текст джерелаChen, Simon. "Test et calibrations technologiques avec PICO-0.1 pour les futurs détecteurs de chambre à bulle de matière sombre de PICO." Thesis, 2020. http://hdl.handle.net/1866/24366.
Повний текст джерелаAmongst the dozens of experiments aiming to be the first to claim a dark matter signal, PICO is a direct dark matter detection experiment that utilizes superheated liquid detectors as a means of doing so. The latest C3F8 filled PICO-40L bubble chamber currently located in the SNOLAB underground laboratory is under testing to prepare for a 1 live-year blinded WIMP (Weakly Interacting Massive Particle) search. To ensure the stability of the detector during both the testing and the data acquisition phases, a monitoring software was coded. A reliable way to monitor all the parameters and to send alerts accordingly plays an important role in not only the success of PICO-40L, but also the development of the future larger-scale PICO-500 detector. PICO-0.1 is a test bubble chamber located at the University of Montreal that was built to calibrate for the numerous background events that can occur in this kind of technology. This test chamber was also used as a world’s first attempt to measure the coherent (Thomson) photon scattering onto a nucleus by exposing the C3F8 filled detector to a gamma source produced by the 19F proton to alpha and gamma 16O reaction using a proton beam created by the University of Montreal particle accelerator. This kind of interaction will prove to be a significant background for future sub-keV direct dark matter detection experiments.
Книги з теми "Bubbles – Scattering"
TE Scattering From Bubbles In RAM. Storming Media, 1999.
Знайти повний текст джерелаArnott, William Patrick. Generalized glory scattering from spherical and spheroidal bubbles in water: Unfolding axial caustics with harmonic angular perturbations of toroidal wavefronts. 1988.
Знайти повний текст джерелаBäumer, Stefan. Observation of Brewster angle light scattering from air bubbles rising in water. 1988.
Знайти повний текст джерелаBillette, Stuart C. Computational analysis of the effects of surface films on the optical scattering properties of bubbles in water. 1986.
Знайти повний текст джерелаDean, Cleon Eugene. Analysis of scattered light: I. Asymptotic series for critical angle scattering from bubbles : II. The opening rate of the transverse cusp from oblate drops. 1989.
Знайти повний текст джерелаThompson, Matt. Helium Nano-bubble Formation in Tungsten: Measurement with Grazing-Incidence Small Angle X-ray Scattering. Springer, 2019.
Знайти повний текст джерелаThompson, Matt. Helium Nano-bubble Formation in Tungsten: Measurement with Grazing-Incidence Small Angle X-ray Scattering. Springer, 2018.
Знайти повний текст джерелаЧастини книг з теми "Bubbles – Scattering"
Onofri, Fabrice R. A., and Matthias P. L. Sentis. "Light Scattering by Large Bubbles." In Springer Series in Light Scattering, 109–49. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-70808-9_3.
Повний текст джерелаHerwig, Heinz, and Bernd Nützel. "The Influence of Bubbles on Acoustic Propagation and Scattering." In Underwater Acoustic Data Processing, 105–11. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2289-1_10.
Повний текст джерелаTakahashi, Kayori. "Accurate Determination of the Size and Mass of Polymers, Nanoparticles, and Fine Bubbles in Water." In Springer Series in Light Scattering, 165–218. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20587-4_4.
Повний текст джерелаBrekhovskikh, Leonid M., and Yury P. Lysanov. "Scattering and Absorption of Sound by Gas Bubbles in Water." In Springer Series on Wave Phenomena, 249–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-662-07328-5_11.
Повний текст джерелаLevitsky, S. "Temperature Effect on Sound Scattering by Fine Bubbles in Viscoelastic Liquid." In Springer Proceedings in Mathematics & Statistics, 271–78. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99719-3_25.
Повний текст джерелаMarston, P. L. "Light Scattering by Bubbles in Liquids and Applications to Physical Acoustics." In Sonochemistry and Sonoluminescence, 73–86. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9215-4_5.
Повний текст джерелаUllmaier, H. "Gas Densities in Helium Bubbles Determined by Small Angle Neutron Scattering." In Fundamental Aspects of Inert Gases in Solids, 277–85. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-3680-6_24.
Повний текст джерелаGragg, R. F., and R. Pitre. "Modeling Low-Frequency Bubble Plume Scattering." In Natural Physical Sources of Underwater Sound, 329–38. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1626-8_25.
Повний текст джерелаOstrovsky, L. A., and A. M. Sutin. "Nonlinear Sound Scattering from Subsurface Bubble Layers." In Natural Physical Sources of Underwater Sound, 363–70. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1626-8_28.
Повний текст джерелаLeighton, T. G., R. J. Lingard, A. J. Walton, and J. E. Field. "Bubble Sizing by the Nonlinear Scattering of Two Acoustic Frequencies." In Natural Physical Sources of Underwater Sound, 453–66. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1626-8_34.
Повний текст джерелаТези доповідей конференцій з теми "Bubbles – Scattering"
Langley, Dean S. "Rainbow-glory scattering from spheres: Theory and experiments." In Drops and bubbles: third international colloquium. AIP, 1990. http://dx.doi.org/10.1063/1.38943.
Повний текст джерелаMarston, Philip L., Cleon E. Dean, and Harry J. Simpson. "Light scattering from spheroidal drops: exploring optical catastrophes and generalized rainbows." In Drops and bubbles: third international colloquium. AIP, 1990. http://dx.doi.org/10.1063/1.38964.
Повний текст джерелаMarston, Philip L., W. Patrick Arnotto, Stefan M. Bäumer, Cleon E. Dean, and Bruce T. Unger. "Optics of bubbles in water: scattering properties, coatings, and laser radiation pressure." In Drops and bubbles: third international colloquium. AIP, 1990. http://dx.doi.org/10.1063/1.38945.
Повний текст джерелаRandrianalisoa, Jaona H., and Dominique Baillis. "Independent and Dependent Scattering for Semitransparent Media Containing Bubbles." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59722.
Повний текст джерелаWong, Basil T., Rodolphe Vaillon, and M. Pinar Mengu¨c¸. "Depolarization of Light by Mono-Dispersed Air Bubbles Coated With Carbonaceous Particles." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42018.
Повний текст джерелаMarston, Philip L., Thomas J. Asaki, John S. Stroud, and Eugene H. Trinh. "Scattering by bubbles: general features, shape effects, and optical probes of bubble dynamics." In San Diego '92, edited by Gary D. Gilbert. SPIE, 1992. http://dx.doi.org/10.1117/12.140680.
Повний текст джерелаGong, Xiaobo, Shu Takagi, and Yoichiro Matsumoto. "A Study on the Induced Liquid Velocity in Plumes by Tiny Bubbles." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37674.
Повний текст джерелаIchikawa, Yuma, Yu Nishimura, and Yuji Nagasaka. "Sensing Changes of Surface Properties of Oxygen Nano-Bubbles in Water by the Ripplon Surface Laser-Light Scattering." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44496.
Повний текст джерелаDean, Cleon E. "Interactive electromagnetic scattering from two air bubbles in water." In San Diego '92, edited by Gary D. Gilbert. SPIE, 1992. http://dx.doi.org/10.1117/12.140685.
Повний текст джерелаLi, Xudong, Hongru Yang, Lei Wu, and Yibing Song. "Study of laser scattering effect on bubbles in the ocean." In 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, edited by Xun Hou, Jiahu Yuan, James C. Wyant, Hexin Wang, and Sen Han. SPIE, 2006. http://dx.doi.org/10.1117/12.676919.
Повний текст джерелаЗвіти організацій з теми "Bubbles – Scattering"
Dahl, Peter H. High-Frequency Scattering from the Sea Surface and Multiple Scattering from Bubbles. Fort Belvoir, VA: Defense Technical Information Center, September 2000. http://dx.doi.org/10.21236/ada610202.
Повний текст джерелаMarston, Philip L. Research on Acoustical Scattering, Diffraction Catastrophes, Optics of Bubbles, Photoacoustics, and Acoustical Phase Conjugation. Fort Belvoir, VA: Defense Technical Information Center, October 1986. http://dx.doi.org/10.21236/ada174401.
Повний текст джерелаDahl, Peter H. Scattering from the Sea Surface and Bubbles, and the ASIAEX East China Sea Experiment. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada625540.
Повний текст джерелаChotiros, Nicholas P. Sediment Acoustics: LF Sound Speed, HF Scattering and Bubble Effects. Fort Belvoir, VA: Defense Technical Information Center, September 2006. http://dx.doi.org/10.21236/ada612090.
Повний текст джерелаChotiros, Nicholas P. Sediment Acoustics: LF Sound Speed, HF Scattering and Bubble Effects. Fort Belvoir, VA: Defense Technical Information Center, September 2007. http://dx.doi.org/10.21236/ada543370.
Повний текст джерелаDahl, Peter H. Quantitative High-frequency Acoustic Volume Scattering from Well-characterized Bubble Clouds. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada627580.
Повний текст джерелаDahl, Peter H. Bubble Attenuation Effects in High-Frequency Surface Forward Scattering Measurements from FLIP. Fort Belvoir, VA: Defense Technical Information Center, May 1993. http://dx.doi.org/10.21236/ada271534.
Повний текст джерелаIzumi, N. Feasibility of measuring 3He bubble diameter populations in deuterium-tritium ice layers using Mie scattering. Office of Scientific and Technical Information (OSTI), January 2007. http://dx.doi.org/10.2172/902305.
Повний текст джерелаBrent Heuser and Robert Averback. Characterization of Helium Bubble Formation and Microcracking in Borosilicate Glass Using Small-Angle Scattering Techniques. Office of Scientific and Technical Information (OSTI), May 2005. http://dx.doi.org/10.2172/840368.
Повний текст джерелаRoy, Ronald A., and William M. Carey. The Physics of Sound Scattering From, and Attenuation Through, Compliant Bubbly Mixtures. Fort Belvoir, VA: Defense Technical Information Center, September 2000. http://dx.doi.org/10.21236/ada610140.
Повний текст джерела