Academic literature on the topic 'Coalescence'

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Journal articles on the topic "Coalescence"

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Amador, Luis, Andrés Parada, Guillermo D’Elía, and Juan M. Guayasamin. "Uncovering hidden specific diversity of Andean glassfrogs of theCentrolene buckleyispecies complex (Anura: Centrolenidae)." PeerJ 6 (October 31, 2018): e5856. http://dx.doi.org/10.7717/peerj.5856.

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The glassfrogCentrolene buckleyihas been recognized as a species complex. Herein, using coalescence-based species delimitation methods, we evaluate the specific diversity within this taxon. Four coalescence approaches (generalized mixed Yule coalescents, Bayesian general mixed Yule-coalescent, Poisson tree processes, and Bayesian Poisson tree processes) were consistent with the delimitation results, identifying four lineages within what is currently recognized asC. buckleyi. We propose three new candidate species that should be tested with nuclear markers, morphological, and behavioral data. In the meantime, for conservation purposes, candidate species should be considered evolutionary significant units, in light of observed population crashes in theC. buckleyispecies complex. Finally, our results support the validity ofC. venezuelense, formerly considered as a subspecies ofC. buckleyi.
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Takahata, Naoyuki. "The coalescent in two partially isolated diffusion populations." Genetical Research 52, no. 3 (December 1988): 213–22. http://dx.doi.org/10.1017/s0016672300027683.

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SummaryThe n0 coalescent of Kingman (1982a, b) describes the family relationships among a sample of n0 individuals drawn from a panmictic species. It is a stochastic process resulting from n0 − 1 independent random events (coalescences) at each of which n (2 ≤ n ≤ n0) ancestral lineages of a sample are descended from n − 1 distinct ancestors for the first time. Here a similar genealogical process is studied for a species consisting of two populations with migration between them. The main interest is with the probability density of the time length between two successive coalescences and the spatial distribution of n − 1 ancestral lineages over two populations when n to n − 1 coalescence takes place. These are formulated based on a non-linear birth and death process with killing, and are used to derive several explicit formulae in selectively neutral population genetics models. To confirm and supplement the analytical results, a simulation method is proposed based on the underlying bivariate Markov chain. This method provides a general way for solving the present problem even when an analytical approach appears very difficult. It becomes clear that the effects of the present population structure are most conspicuous on 2 to 1 coalescence, with lesser extents on n to n − 1 (3 ≤ n) coalescence.This implies that in a more general model of population structure, the number of populations and the way in which a sample is drawn are important factors which determine the n0 coalescent.
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Mu, Zhao, Ruikang Tang, and Zhaoming Liu. "Construction of Inorganic Bulks through Coalescence of Particle Precursors." Nanomaterials 11, no. 1 (January 18, 2021): 241. http://dx.doi.org/10.3390/nano11010241.

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Bulk inorganic materials play important roles in human society, and their construction is commonly achieved by the coalescence of inorganic nano- or micro-sized particles. Understanding the coalescence process promotes the elimination of particle interfaces, leading to continuous bulk phases with improved functions. In this review, we mainly focus on the coalescence of ceramic and metal materials for bulk construction. The basic knowledge of coalescent mechanism on inorganic materials is briefly introduced. Then, the properties of the inorganic precursors, which determine the coalescent behaviors of inorganic phases, are discussed from the views of particle interface, size, crystallinity, and orientation. The relationships between fundamental discoveries and industrial applications are emphasized. Based upon the understandings, the applications of inorganic bulk materials produced by the coalescence of their particle precursors are further presented. In conclusion, the challenges of particle coalescence for bulk material construction are presented, and the connection between recent fundamental findings and industrial applications is highlighted, aiming to provide an insightful outlook for the future development of functional inorganic materials.
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Sampson, Koffi Y. "Structured coalescent with nonconservative migration." Journal of Applied Probability 43, no. 2 (June 2006): 351–62. http://dx.doi.org/10.1239/jap/1152413727.

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We study the ancestral process of a sample from a subdivided population with stochastically varying subpopulation sizes. The sizes of the subpopulations change very rapidly (almost every generation) with respect to the coalescent time scale. For haploid populations of size N, one coalescence time unit corresponds to N generations. Coalescence and migration events occur on the same time scale. We show that, when the total population size tends to infinity, the structured coalescent is obtained, thus confirming the robustness of the coalescent. Many population structure models have been shown to converge to the structured coalescent (see Herbots (1997), Hudson (1998), Nordborg (2001), Nordborg and Krone (2002), and Notohara (1990)).
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Sampson, Koffi Y. "Structured coalescent with nonconservative migration." Journal of Applied Probability 43, no. 02 (June 2006): 351–62. http://dx.doi.org/10.1017/s0021900200001686.

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We study the ancestral process of a sample from a subdivided population with stochastically varying subpopulation sizes. The sizes of the subpopulations change very rapidly (almost every generation) with respect to the coalescent time scale. For haploid populations of sizeN, one coalescence time unit corresponds toNgenerations. Coalescence and migration events occur on the same time scale. We show that, when the total population size tends to infinity, the structured coalescent is obtained, thus confirming the robustness of the coalescent. Many population structure models have been shown to converge to the structured coalescent (see Herbots (1997), Hudson (1998), Nordborg (2001), Nordborg and Krone (2002), and Notohara (1990)).
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Alanzi, Ayed A. R., and James H. Degnan. "Statistical inconsistency of the unrooted minimize deep coalescence criterion." PLOS ONE 16, no. 5 (May 10, 2021): e0251107. http://dx.doi.org/10.1371/journal.pone.0251107.

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Species trees, which describe the evolutionary relationships between species, are often inferred from gene trees, which describe the ancestral relationships between sequences sampled at different loci from the species of interest. A common approach to inferring species trees from gene trees is motivated by supposing that gene tree variation is due to incomplete lineage sorting, also known as deep coalescence. One of the earliest methods motivated by deep coalescence is to find the species tree that minimizes the number of deep coalescent events needed to explain discrepancies between the species tree and input gene trees. This minimize deep coalescence (MDC) criterion can be applied in both rooted and unrooted settings. where either rooted or unrooted gene trees can be used to infer a rooted species tree. Previous work has shown that MDC is statistically inconsistent in the rooted setting, meaning that under a probabilistic model for deep coalescence, the multispecies coalescent, for some species trees, increasing the number of input gene trees does not make the method more likely to return a correct species tree. Here, we obtain analogous results in the unrooted setting, showing conditions leading to inconsistency of the MDC criterion using the multispecies coalescent model with unrooted gene trees for four taxa and five taxa.
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Li, Guo Jian, Qiang Wang, Ying Jie Zhang, Yong Ze Cao, and Ji Cheng He. "Molecular Dynamics Simulation Study of the Structural Evolution in the Cu-Ni Coalescence Induced by Ni Heterocluster." Advanced Materials Research 299-300 (July 2011): 395–98. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.395.

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Molecular dynamics with an embedded atom method was used to study the coalescence of heteroclusters at different temperatures. The coalescences between heteroclusters and homoclusters were compared. The results showed that: the coalesced complex of two liquid heteroclusters separated into two small droplets at or above a certain temperature which was much higher than the melting temperature of each cluster. When the temperature was lower than the value, the ordered alignment on the close packed (111) facet was induced by Ni cluster. These phenomena did not occur during the homoclusters coalescence.
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Hancocks, Stephen. "Coalescence." British Dental Journal 219, no. 2 (July 2015): 47. http://dx.doi.org/10.1038/sj.bdj.2015.587.

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McSweeney, John K., and Boris G. Pittel. "Expected coalescence time for a nonuniform allocation process." Advances in Applied Probability 40, no. 4 (December 2008): 1002–32. http://dx.doi.org/10.1239/aap/1231340162.

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We study a process where balls are repeatedly thrown into n boxes independently according to some probability distribution p. We start with n balls, and at each step, all balls landing in the same box are fused into a single ball; the process terminates when there is only one ball left (coalescence). Let c := ∑jpj2, the collision probability of two fixed balls. We show that the expected coalescence time is asymptotically 2c−1, under two constraints on p that exclude a thin set of distributions p. One of the constraints is c = o(ln−2n). This ln−2n is shown to be a threshold value: for c = ω(ln−2n), there exists p with c(p) = c such that the expected coalescence time far exceeds c−1. Connections to coalescent processes in population biology and theoretical computer science are discussed.
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McSweeney, John K., and Boris G. Pittel. "Expected coalescence time for a nonuniform allocation process." Advances in Applied Probability 40, no. 04 (December 2008): 1002–32. http://dx.doi.org/10.1017/s0001867800002949.

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We study a process where balls are repeatedly thrown into n boxes independently according to some probability distribution p . We start with n balls, and at each step, all balls landing in the same box are fused into a single ball; the process terminates when there is only one ball left (coalescence). Let c := ∑ j p j 2, the collision probability of two fixed balls. We show that the expected coalescence time is asymptotically 2c −1, under two constraints on p that exclude a thin set of distributions p . One of the constraints is c = o(ln−2 n). This ln−2 n is shown to be a threshold value: for c = ω(ln−2 n), there exists p with c( p ) = c such that the expected coalescence time far exceeds c −1. Connections to coalescent processes in population biology and theoretical computer science are discussed.
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Dissertations / Theses on the topic "Coalescence"

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Martula, David Stefan. "Coalescence-induced coalescence in polymeric membrane formation /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004333.

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Thompson, Alice B. "Surface-tension-driven coalescence." Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/12522/.

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When fluid droplets coalesce, the flow is initially controlled by a balance between surface tension and viscosity. For low viscosity fluids such as water, the viscous lengthscale is quickly reached, yielding a new balance between surface tension and inertia. Numerical and asymptotic calculations have shown that there is no simply connected solution for the coalescence of inviscid fluid drops surrounded by a void, as large amplitude capillary waves cause the free surface to pinch off. We analyse in detail a linearised version of this free boundary problem. For zero density surrounding fluid, we find asymptotic solutions to the leading order linear problem for small and large contact point displacement. In both cases, this requires the solution of a mixed type boundary value problem via complex variable methods. For the large displacement solution, we match this to a WKB analysis for capillary waves away from the contact point. The composite solution shows that the interface position becomes self intersecting for sufficiently large contact point displacement. We identify a distinguished density ratio for which flows in the coalescing drops and surrounding fluid are equally important in determining the interface shape. We find a large displacement solution to the leading order two-fluid problem with a multiple-scales analysis, using a spectral method to solve the leading order periodic oscillator problem for capillary waves. This is matched to a single-parameter inner problem, which we solve numerically to obtain the correct boundary conditions for the secularity equations. We find that the composite solution for the two-fluid problem is simply connected for arbitrarily large contact-point displacement, and so zero density surrounding fluid is a singular limit.
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Miller, James Thomas Ph D. Massachusetts Institute of Technology. "Crack coalescence in granite." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/47771.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2008.
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This thesis experimentally investigates crack coalescence in prismatic Barre Granite specimens with two pre-cut, open flaws under uniaxial compression. Using a high-speed video system, crack initiation, propagation, and coalescence are observed. Flaw geometries are chosen to allow one to compare the results with those of studies in other materials as well as to better understand fracturing and coalescence processes. Specifically, the effect of ligament length (L), flaw inclination angle (p3), and bridging angle (a) on coalescence is investigated. The same crack types as in other materials are observed. Coalescence patterns observed fit into a previously developed framework (for molded gypsum and Carrara marble) with the exception of one new coalescence pattern. Crack processes and coalescence patterns suggest a more tensile behavior as grain size increases from gypsum to marble to granite. Similar to previous work in marble and granite, white patches are observed during compression tests. These white patches can be categorized as either diffuse or linear, with linear white patches further subdivided into two more types, namely boundary-following and through-going. The white patches are essentially process zones. The effect of water pressure on coalescence pattern is also investigated. Flaw water pressure is seen to affect coalescence in granite, although further work is needed.
by James Thomas Miller.
S.M.
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Tang, Shanyu. "Bubble charge and coalescence." Thesis, Imperial College London, 1995. http://hdl.handle.net/10044/1/59969.

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This thesis describes an experimental investigation of the interfacial electrical properties of bubbles in aqueous solutions and of their coalescence behaviour, which were studied using laser Doppler anemometry (LDA) and laser light reflection techniques. A double laser Doppler anemometer system was developed to measure the electrophoretic mobilities for single bubbles, generated electrolytically at a Pt microelectrode in aqueous solutions, across which electric fields were subsequently applied using two horizontal electrodes. The effects of solution composition on the interfacial electrical properties of bubbles were then investigated by measurement of the natural rise rates (v) of bubbles and those (v^) in applied electric fields (£). In principle, the derived electrophoretic mobilities, defined by (vg - v)IE, may be related to the effective surface potentials and apparent adsorbed electric charge densities on the bubbles. However, classical theory cannot be used to effect such transformations, nor could it be assumed that the mobilities would correlate with coalescence behaviour of bubbles, as would be the case for solid particles with fixed charge sites. For electrolytes carefully purified of adventitious surfactants by purging with swarms of bubbles over a few hours, bubble electrophoretic mobilities showed a clear pH dependence, with an apparent iso-electric point at about pH 2, indicating that OIT ions were preferentially adsorbed at gas/liquid interfaces. Also, their (negative) mobilities increased with increasing bubble diameter, in the experimentally accessible range of 60 - 100 |im. The behaviour of bubbles in such clean electrolytes did not obey predictions of classical theory, as their gas/liquid interfaces were mobile, unlike that of solid/liquid interfaces, for which the interfacial velocity is zero. However, adsorption of surfactants rigidifies bubble interfaces, so that with a complete monolayer adsorbed, they behave as solid particles. Bubble rise rates and their electrophoretic velocities were sensitive to the adsorption of adventitious surfactants from the laboratory atmosphere. Electrophoretic mobilities of oxygen bubbles in surfactant-free sodium perchlorate aqueous solutions increased with the applied electric field. Experimental results and calculations based on the theory of Brandon et al. indicated that, in surfactant-free electrolyte solutions, the electric field was primarily responsible for polarisation of the adsorbed charge, rather than the hydrodynamic effects resulting from the bubble rise rate. A simple model was presented to describe the polarisation of charge distribution on bubble surfaces in electrolyte solution with the electric field parallel to the bubble rise vector. The initial surface charge density on oxygen bubbles generated in ICT* M surfactant-free NaCl04 solution was estimated to be - 17.4 |xC m'^, which compares favourably with the value of - 9.8 |iC m"^ derived from the diameter dependence of bubble electrophoretic mobilities. The LDA technique was extended to determine the coalescence times of individual bubbles as they approached a planar air/water interface. These results showed no dependence of coalescence times on the pH of surfactant-free electrolytes, as the electrostatic repulsion between the two interfaces as they approached, presumably caused the very small pH-dependent charge to move out of the zone of maximum interaction. However, addition of ionic surfactants caused coalescence times to increase, due to electrostatic repulsion between the partially rigidified surfaces. A laser reflection technique was developed to measure the time dependence of the thickness of the liquid film formed as a bubble approaches a planar gas / aqueous solution interface. Preliminary results indicated that the technique is suitable for studying film thinning, in that the apparent coalescence times were comparable to those derived from the LDA technique, although further refinement of the experiments is needed.
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Wadhwa, Navish. "Non-coalescence of Jets." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/42636.

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Contrary to common intuition, free jets of fluid can ``bounce'' off each other on collision in mid-air, through the effect of a lubricating air film that separates the jets. While there has been much work on coalescing jets of fluid and non-coalescence in other systems like drop-drop, drop on a bath, jet on a bath, non-coalescence of fluid jets has been little studied. A simple experimental setup was developed to stably demonstrate and study the non-coalescence of jets upon collision. This thesis presents the results of an experimental investigation of oblique collision between two fluid jets. The transition from bouncing to coalescence of jets is examined for various jet sizes and angles. Results indicate that the transition from bouncing to coalescence can be rationalized in terms of critical value of the dimensionless parameter Normal Weber Number, which represents the ratio between inertial and surface tension forces. A parametric study of the characteristic of bouncing jets, conducted by varying the nozzle diameter, jet velocity, angle of inclination and fluid viscosity reveals the scaling laws for the quantities involved such as contact time. These scaling laws help us in elucidating the role of various physical forces at play such as viscous stresses, capillary force and inertia
Master of Science
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Basdevant, Anne-Laure. "Trois études sur la fragmentation et la coalescence stochastiques." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2006. http://tel.archives-ouvertes.fr/tel-00117403.

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Nous étudions certains processus de fragmentation qui sont liés à des processus de coalescence. Nous nous intéressons en premier lieu au coalescent de Bolthausen et Sznitman qui, retourné dans le temps, devient un processus de fragmentation inhomogène en temps. Nous décrivons alors sa mesure de dislocation instantanée en fonction de lois de Poisson-Dirichlet et en déduisons des asymptotiques sur la taille des blocs en temps grands et petits. Nous étudions aussi une classe de coalescents additifs après retournement de temps en tant que processus de fragmentation. Nous montrons alors que les lois de tous ces coalescents additifs sont absolument continues les unes par rapport aux autres et nous explicitons cette densité. Enfin, nous caractérisons la loi des fragmentations d'intervalle en la mettant en bijection avec les fragmentations de partitions ordonnées.
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Zaborsky, Jiri. "Coalescence dans les écoulements laminaires : étude de drainage et de l'efficacité de coalescence." Grenoble INPG, 1998. http://www.theses.fr/1998INPG0067.

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Le coefficient d'efficacite de coalescence est determine a l'aide d'une methode semi-globale pour plusieurs dispersions liquide/eau. L'ecoulement de taylor d'une dispersion liquide/liquide entre deux cylindres coaxiaux est modelise numeriquement en utilisant l'equation convection - diffusion. L'interet est porte essentiellement sur la solution asymptotique de concentration des gouttes dans l'anneau de taylor. Un modele est aussi developpe pour determiner l'evolution du diametre de sauter moyen d'une dispersion liquide/liquide. Son elaboration a ete achevee experimentalement a l'aide d'une methode d'attenuation lumineuse : la valeur du coefficient de l'efficacite de coalescence a ete determinee par comparaison de l'evolution du diametre de sauter moyen obtenue theoriquement avec celle obtenue experimentalement. Il est montre que le coefficient de l'efficacite de coalescence peut varier dans un large intervalle. Des mesures sur la vitesse limite d'une particule liquide dans l'eau sont egalement effectuees afin d'estimer l'importance des surfactants sur l'evolution du diametre de sauter moyen. L'etude s'acheve par le drainage du film entre une particule de fluide et l'interface libre. L'interet a ete porte sur la determination du profil initial du film. Ceci est resolu de facon tres general pour un nombre de bond et une epaisseur de film quelconque, en respectant la condition de l'ecoulement rampant dans le film. Le temps de drainage d'une particule fluide avec l'interface libre en fonction de son diametre est obtenu experimentalement.
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Galvin, Kevin Patrick. "Growth and coalescence in condensation." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46310.

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Shaw, Andrew. "Coalescence of two liquid volumes." Thesis, University of Birmingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422787.

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Munro, James. "Coalescence of bubbles and drops." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/288543.

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When two fluid drops come close enough together to touch, surface tension quickly pulls the drops together into one larger drop. This is an example of a singular fluid flow, as the topology of the interface changes at the moment of contact. Similarly, when a pair of bubbles touch, the surface topology changes and a singular flow begins. Since the stress from surface tension depends on the surface curvature, these singularities are often characterised by divergent fluid velocities. Experimental observation or numerical simulation of these flows is therefore difficult due to the high velocities and small lengthscales. In this thesis, I will find multi-scale theoretical solutions for the singular flows during the initial stages of the coalescence of bubbles and drops, solving for the velocity field in the fluid and the rate of coalescence. Each solution has several lengthscales, and on each lengthscale, we must solve some form of the Navier--Stokes equations. I will employ a variety of analytical and numerical techniques to solve for the flow on each scale. These asymptotic solutions are valid at early times; future numerical simulations of the subsequent flow could be initialised with these solutions, rather than the actual singularity. In the course of solving for these singular flows, I will also describe the solution for the motion of a stretched fluid edge, the retraction of a narrow fluid wedge, the capillary flow around a parabola, and the effect of a time-dependent force on a fluid half-space. These fundamental flows have applications outside of coalescence, which I will outline throughout the thesis.
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Books on the topic "Coalescence"

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Dominique, Haas, ed. Coalescence: Roman. [Paris]: Presses de la Cité, 2006.

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Franklin, Roland. Coalescence in dispersions containing solid particles. Birmingham: University of Birmingham, 1997.

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S, Gerardo A. Sanchez. Coalescence phenomena in liquid-liquid dispersions. Birmingham: University of Birmingham, 1996.

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Rajaram, Sridhar. Quantitative image analysis and polymer blend coalescence. Ottawa: National Library of Canada, 1996.

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George, Kosaly, and United States. National Aeronautics and Space Administration., eds. On the coalescence-dispersion modeling of turbulent molecular mixing. [Washington, DC]: National Aeronautics and Space Administration, 1987.

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Givi, Peyman. On the coalescence-dispersion modeling of turbulent molecular mixing. Cleveland, Ohio: Institute for Computational Mechanics in Propulsion, Lewis Research Center, 1987.

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George, Kosaly, and United States. National Aeronautics and Space Administration., eds. On the coalescence-dispersion modeling of turbulent molecular mixing. [Washington, DC]: National Aeronautics and Space Administration, 1987.

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Colpi, Monica, Piergiorgio Casella, Vittorio Gorini, Ugo Moschella, and Andrea Possenti, eds. Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0.

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Friesen, Karla. Coalescence behaviour and inclusion removal in molten aluminum using salt fluxing. Ottawa: National Library of Canada, 1996.

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Physics of relativistic objects in compact binaries: From birth to coalescence. Dordrecht: Springer, 2009.

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Book chapters on the topic "Coalescence"

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Gooch, Jan W. "Coalescence." In Encyclopedic Dictionary of Polymers, 149. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2482.

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Tadros, Tharwat. "Coalescence." In Encyclopedia of Colloid and Interface Science, 84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-20665-8_51.

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Gaylord, Richard J., and Kazume Nishidate. "Coalescence." In Modeling Nature, 107–12. New York, NY: Springer New York, 1996. http://dx.doi.org/10.1007/978-1-4684-9405-1_10.

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Soustelle, Michel. "Granular Coalescence." In Handbook of Heterogenous Kinetics, 407–48. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118557730.ch12.

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Elliott, Peter T., Wylie H. Wetzel, Lin-Lin Xing, and J. Edward Glass. "Particle Coalescence." In ACS Symposium Series, 57–70. Washington, DC: American Chemical Society, 1997. http://dx.doi.org/10.1021/bk-1997-0663.ch004.

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Casali, Roderic F. "Height Coalescence." In Resolving Hiatus, 111–22. New York: Routledge, 2021. http://dx.doi.org/10.4324/9780203822227-4.

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Ouladj, Maamar, and Sylvain Guilley. "Coalescence Principle." In Side-Channel Analysis of Embedded Systems, 67–77. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77222-2_7.

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Beysens, Daniel. "Drop Coalescence." In The Physics of Dew, Breath Figures and Dropwise Condensation, 51–75. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90442-5_5.

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Friedman, Avner, and David S. Ross. "Measuring Coalescence." In Mathematics in Industry, 75–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55755-2_10.

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Friedman, Avner, and David S. Ross. "Limited Coalescence." In Mathematics in Industry, 67–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55755-2_9.

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Conference papers on the topic "Coalescence"

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Kumar, Vineet. "Photons coalescence effect." In 3RD INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC-2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0001575.

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Mansouri, A., H. Arabnejad, and R. S. Mohan. "Numerical Investigation of Droplet-Droplet Coalescence and Droplet-Interface Coalescence." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21642.

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The oil produced from offshore reservoirs normally contains considerable amount of water. The separation of water from oil is very crucial in petroleum industry. Studying the coalescence of two droplets or one droplet and interface can lead to better understanding of oil-water separation process. In this study, the coalescence of two droplets and droplet-interface are simulated using a commercial Computational Fluid Dynamics (CFD) code FLUENT 14. In order to track the interface of two fluids, two approaches, Volume of Fluid (VOF) and Level-Set method were utilized. The results are compared with experimental measurements in literature and good agreement was observed. The effect of different parameters such as droplet velocities, interfacial tension, viscosity of the continuous phase and off-center collision on the coalescence time has been investigated. The results revealed that coalescence time decreases as the droplet velocities increase. Also, continuous phase with higher viscosities and lower water-oil interfacial tension, increase the coalescence time.
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Adenier, Guillaume, Joakim Bergli, Andreas P. Thörn, and Arnt Inge Vistnes. "Observation of bosonic coalescence and fermionic anti-coalescence with indistinguishable photons." In SPIE Optical Engineering + Applications, edited by Chandrasekhar Roychoudhuri, Al F. Kracklauer, and Hans De Raedt. SPIE, 2013. http://dx.doi.org/10.1117/12.2024090.

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Yonemoto, Y., and T. Kunugi. "Modelling of microbubble coalescence." In MULTIPHASE FLOW 2013. Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/mpf130231.

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ANILKUMAR, A., C. LEE, and TAYLOR WANG. "Momentumless coalescence of drops." In 30th Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-111.

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Buonanno, Alessandra, Ye-Fei Yuan, Xiang-Dong Li, and Dong Lai. "Binary Black Hole Coalescence." In ASTROPHYSICS OF COMPACT OBJECTS: International Conference on Astrophysics of Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.2840417.

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Blaes, Omer. "Coalescence of neutron star binaries." In The evolution of X-ray binaries. AIP, 1994. http://dx.doi.org/10.1063/1.46017.

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Loh, Po-Shen, and Eyal Lubetzky. "Stochastic coalescence in logarithmic time." In Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms. Philadelphia, PA: Society for Industrial and Applied Mathematics, 2012. http://dx.doi.org/10.1137/1.9781611973099.46.

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Romeo, Kevin, David F. Crouse, Yaakov Bar-Shalom, and Peter Willett. "A fast coalescence-avoiding JPDAF." In SPIE Defense, Security, and Sensing. SPIE, 2012. http://dx.doi.org/10.1117/12.924335.

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Tsung-Yi Tang, Wen-Yu Shiao, Yung-Sheng Chen, Kent L. Averett, John D. Albrecht, and C. C. Yang. "Coalescence overgrowth of GaN nanocolumns." In 2008 International Nano-Optoelectronics Workshop. IEEE, 2008. http://dx.doi.org/10.1109/inow.2008.4634477.

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Reports on the topic "Coalescence"

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Dimiduk, Thomas G., Christopher Jay Bourdon, Anne Mary Grillet, Thomas A. Baer, Maarten Pieter de Boer, Michael Loewenberg, Allen D. Gorby, and Carlton, F. Brooks. Hydrodynamic effects on coalescence. Office of Scientific and Technical Information (OSTI), October 2006. http://dx.doi.org/10.2172/897639.

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Reding, Derek J., Pavol Stofko, Robert J. Dorgan, and Michael E. Nixon. Void Growth and Coalescence Simulations. Fort Belvoir, VA: Defense Technical Information Center, August 2013. http://dx.doi.org/10.21236/ada593137.

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Wheelock, T., R. Markuszewski, C. Fan, B. Labuschagne, R. Venkatadri, J. Drzymala, R. Allen, et al. Mechanisms for selective coalescence of coals. Office of Scientific and Technical Information (OSTI), May 1989. http://dx.doi.org/10.2172/6679457.

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Wheelock, T., R. Markuszewski, C. Fan, J. Drzymala, R. Allen, Y. Hu, D. Tyson, Qiu Xiaoping, and A. Lessa. Mechanisms for selective coalescence of coals. Office of Scientific and Technical Information (OSTI), December 1988. http://dx.doi.org/10.2172/6919449.

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McElvany, Stephen W., Mark M. Ross, Nancy S. Goroff, and Francos Diederich. Cyclocarbon Coalescence: Mechanisms for Tailormade Fullerene Formation. Fort Belvoir, VA: Defense Technical Information Center, May 1993. http://dx.doi.org/10.21236/ada265489.

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Laing, Christopher J., Jack Buffin, Richard Kamin, and Douglas Mearns. Navy Coalescence Test on Camelina HRJ5 Fuel. Fort Belvoir, VA: Defense Technical Information Center, June 2012. http://dx.doi.org/10.21236/ada618776.

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Laing, Christopher J., Jack Buffin, Richard Kamin, and Douglas Mearns. Navy Coalescence Test on Petroleum F-76 Fuel. Fort Belvoir, VA: Defense Technical Information Center, June 2012. http://dx.doi.org/10.21236/ada618777.

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de Almeida, Valmor F., Sophie Blondel, David E. Bernholdt, and Brian D. Wirth. Cluster Dynamics Modeling with Bubble Nucleation, Growth and Coalescence. Office of Scientific and Technical Information (OSTI), June 2017. http://dx.doi.org/10.2172/1376497.

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Yang, Chih-Chung. Optimization of GaN Nanorod Growth Conditions for Coalescence Overgrowth. Fort Belvoir, VA: Defense Technical Information Center, February 2016. http://dx.doi.org/10.21236/ada635078.

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Stover, R. L. Bubble coalescence dynamics and supersaturation in electrolytic gas evolution. Office of Scientific and Technical Information (OSTI), August 1996. http://dx.doi.org/10.2172/414343.

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