Relevant bibliographies by topics / Magnus effect

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Academic literature on the topic 'Magnus effect'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 May 2022

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Journal articles on the topic "Magnus effect"

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Hillion, Pierre. "Electromagnetic Magnus effect." International Journal of Engineering Science 38, no. 13 (September 2000): 1473–85. http://dx.doi.org/10.1016/s0020-7225(99)00076-2.

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Dooghin, A. V., N. D. Kundikova, V. S. Liberman, and B. Ya Zel’dovich. "Optical Magnus effect." Physical Review A 45, no. 11 (June 1, 1992): 8204–8. http://dx.doi.org/10.1103/physreva.45.8204.

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Kenyon, Kern E. "On the Magnus Effect." Natural Science 08, no. 02 (2016): 49–52. http://dx.doi.org/10.4236/ns.2016.82006.

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Lukin, Aleksandr, Galina Demidova, and Anton Rassõlkin. "Achieving of Magnus Effect with Agros Suite." Periodica Polytechnica Electrical Engineering and Computer Science 65, no. 2 (April 15, 2021): 131–37. http://dx.doi.org/10.3311/ppee.17743.

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When the rotating body gets into the ambiance flow appears the lifting force, called Magnus Effect. That lifting force may be controlled by changing the revolution speed of the body. That phenomenon uses in many engineering applications like wind turbines and marine ships. In this paper, the Magnus Effect simulation is achieved with Agros Suite, a multiplatform application for the solution of physical problems. The article presents the nature of the Magnus Effect and discusses possible applications in engineering. The research question is focused on demonstrating the Magnus Effect with Agros Suite and evaluating the computational power of the personal computer that runs the simulation. The simulation is made keeping in mind the possible application of the Agros Suite tools for Magnus-Effect-based wind generator control algorithms optimization. The simulation result analysis shows that Agros Suite is a reliable tool in accessing and simulation of such phenomena.
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Pechier, Marc, Philippe Guillen, and Roxan Cayzac. "Magnus Effect over Finned Projectiles." Journal of Spacecraft and Rockets 38, no. 4 (July 2001): 542–49. http://dx.doi.org/10.2514/2.3714.

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Greenslade, Thomas B. "A Forgotten Magnus-Effect Demonstration." Physics Teacher 44, no. 8 (November 2006): 552. http://dx.doi.org/10.1119/1.2362955.

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Carré, M. J., S. R. Goodwill, and S. J. Haake. "Understanding the Effect of Seams on the Aerodynamics of an Association Football." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 219, no. 7 (July 1, 2005): 657–66. http://dx.doi.org/10.1243/095440605x31463.

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The aerodynamic properties of an association football were measured using a wind tunnel arrangement. A third scale model of a generic football (with seams) was used in addition to a ‘mini-football’. As the wind speed was increased, the drag coefficient decreased from 0.5 to 0.2, suggesting a transition from laminar to turbulent behaviour in the boundary layer. For spinning footballs, the Magnus effect was observed and it was found that reverse Magnus effects were possible at low Reynolds numbers. Measurements on spinning smooth spheres found that laminar behaviour led to a high drag coefficient for a large range of Reynolds numbers, and Magnus effects were inconsistent, but generally showed reverse Magnus behaviour at high Reynolds number and spin parameter. Trajectory simulations of free kicks demonstrated that a football that is struck in the centre will follow a near straight trajectory, dipping slightly before reaching the goal, whereas a football that is struck off centre will bend before reaching the goal, but will have a significantly longer flight time. The curving kick simulation was repeated for a smooth ball, which resulted in a longer flight time, due to increased drag, and the ball curving in the opposite direction, due to reverse Magnus effects. The presence of seams was found to encourage turbulent behaviour, resulting in reduced drag and more predictable Magnus behaviour for a conventional football, compared with a smooth ball.
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MORISSEAU, KENNETH C. "MARINE APPLICATION OF MAGNUS EFFECT DEVICES." Naval Engineers Journal 97, no. 1 (January 1985): 51–57. http://dx.doi.org/10.1111/j.1559-3584.1985.tb02052.x.

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MORISSEAU, KENNETH C. "MARINE APPLICATION OF MAGNUS EFFECT DEVICES." Naval Engineers Journal 98, no. 5 (September 1986): 83–84. http://dx.doi.org/10.1111/j.1559-3584.1986.tb01741.x.

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Zel'dovich, Boris Ya, I. V. Kataevskaya, and N. D. Kundikova. "Inhomogeneity of the optical Magnus effect." Quantum Electronics 26, no. 1 (January 31, 1996): 87–88. http://dx.doi.org/10.1070/qe1996v026n01abeh000595.

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Dissertations / Theses on the topic "Magnus effect"

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CORREA, CARLOS JOSE. "EXPERIMENTAL STUDY OF THE MAGNUS EFFECT." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1985. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33498@1.

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O efeito magnus é verificado experimentalmente em túnel de vento, para escoamentos com números de Reynolds variando de 1,3 x 10 elevado 4 a 4,3 x 10 elevado a 4. Os resultados são avaliados em termos absolutos e adimensionalizados. Levando-se em conta as incertezas provenientes do método de ensaio, são feitas comparações com da dos obtidos por outros pesquisadores. São avaliadas as possibilidades de utilização do efeito em captação de energia eolica, e é também realizado um estudo da influência da forma de Magnus na trajetória de projetis estabilizados giroscopicamente.
The Magnus effect is experimentally studied in a wind tunnel for Reynolds number range from 1,3 x 10 (to) 4 to 4,3 x 10 (to) 4. The results are analysed and compared for both dimensionless and dimensionalized parameters. The uncertainties are estimated and the results compared to those of other investigators. The possibilities of utilization of Magnus effect in wind power generation are analyzed together with its influence in trajectories of spin-stabilized projectiles.
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Jinbo, Maro. "Contribuições ao projeto de sistemas eólicos de efeito magnus com rastreamento da máxima potência." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/12032.

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This work deals with an unconventional wind energy conversion system, in which the wind turbine has rotating cylinders rather than traditional blades. These cylinders can be driven by a brushless DC motor. The turbine operates on the physical principle called Magnus Effect. It presents the mathematical modeling of Magnus turbine and based on this modeling were carried out simulations in PSIM® software. It was implemented and was tested MPPT algorithms type HCC (Hill Climbing Control) for DC brushless motor control for operating the cylinders and hence the power generated by the Magnus turbine. Prototypes of Magnus effect wind system (turbine, generator PMSG, AC / DC converter, DC / DC converter) were built to perform wind tunnel experiments comparing the experimental results with simulated results. We sought to optimize the extraction of wind energy through concepts and innovative solutions in the construction of the turbine, brushless DC servo for rotating cylinders, implementing MPPT algorithms to control the rotation of the cylinder and the static converter. Three turbine concepts are presented and three prototypes were built. Loose cylinders were tested in the wind tunnel and it was measured the lift and drag forces. The "Prototype 3" is 3 m in diameter with two cylinders of 150 mm diameter showed the best experimental results, but still generated mechanical power did not provide an effective net power.
O presente trabalho trata de um sistema eólico não convencional, cuja turbina eólica possui cilindros girantes no lugar das pás tradicionais. Estes cilindros podem ser acionados por um motor brushless CC (sem escovas). O princípio físico de funcionamento desta turbina baseia-se no que se denomina de “Efeito Magnus”. Apresenta-se a modelagem matemática da turbina Magnus e com base nesta modelagem realizam-se simulações no software PSIM®. Programa-se e testa-se algoritmos de rastreamento da máxima potência líquida MPPT (Maximum Power Point Tracking), do tipo HCC (Hill Climbing Control) no controle do motor brushless CC de acionamento dos cilindros e, consequentemente, da potência gerada pela turbina Magnus. Protótipos de sistema eólico de efeito Magnus (turbina, gerador PMSG, conversores CA/CC, CC/CC) foram construídos para realizar experimentos em túnel de vento, possibilitando comparações dos resultados experimentais com os resultados simulados. Busca-se otimizar a extração da energia dos ventos, através de concepções e soluções inovadoras na construção da turbina, servo acionamento CC brushless para os cilindros girantes, implementação de algoritmos MPPT no controle da rotação dos cilindros e do conversor estático. Três concepções da turbina Magnus são apresentadas e três protótipos construídos. Ensaios de cilindros girantes avulsos com variações nos diâmetros e nas espirais sobrepostas são realizados em túnel de vento com colméias e medem-se as forças de sustentação e de arrasto. O “Protótipo 3” de 3 m de diâmetro com dois cilindros lisos de 150 mm de diâmetro apresentou os melhores resultados experimentais, mas ainda a potência mecânica gerada não proporcionou uma potência líquida efetiva.
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Silva, Ricardo Galdino da. "Estudo numérico de movimentação de partículas em escoamentos." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/3/3132/tde-08032007-181139/.

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No trabalho desenvolvido estudaram-se as forças que atuam em uma partícula quando esta se movimenta em escoamentos, com intuito de obter uma metodologia capaz de representar o movimento de uma partícula em um escoamento. A equação do movimento da partícula foi integrada numericamente considerando os termos de massa aparente, arrasto estacionário, arrasto não estacionário (forças de Boussinesq/Basset) e forças de sustentação; efeito Magnus e efeito Saffman. O método dos volumes finitos foi utilizado para simulação do escoamento. Na análise das forças utilizamos tanto experimentos quanto simulações numéricas (FLUENT) para avaliar e aumentar a validade dos modelos apresentados na revisão bibliográfica. O FLUENT foi validado para obtenção do coeficiente de arrasto estacionário e sustentação devido ao efeito Magnus. Palavras-chaves: Efeito Magnus, efeito Saffman, força de Bousinesq/Basset, movimento de partículas e solução numérica.
In the developed work was studied the forces which act on a particle when these is a moving inside of a flow, in order to find out a methodology which is able to represent the particle dynamics on a flow. The equation of particle motion was integrated with a numerical approach taking in account the apparent mass, static drag, dynamic drag (history term; Boussinesq/Basset force) and lift force; Magnus effect and Saffman effect. The finite volume method was used to simulate the flow. In the force analyses we used experimental and numerical simulation (FLUENT) to evaluate and extend the models shown on the review. FLUENT was validated to determine the static drag coefficient and lift coefficient due to Magnus effect.
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Neumüller, Georg. "On Control and stabilisation of floating wind platforms with the help of CFD analysis and the Magnus effect." Thesis, KTH, Numerisk analys, NA, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-213973.

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With new technologies and possibilities arising both in the renewable energy sector as well as in the field of Computational Fluid Dynamics, this thesis describes the simulation of vortex- induced vibrations for floating wind turbine platforms. The aim is to control and stabilize floating wind platforms with the help of CFD and the Magnus effect. The Magnus effect shall hereby be used to reduce the wakes behind the cylinder and thereby not only move the cylinder, but also reduce vibrations. Therefore this thesis consists of three main sets of experiments. The first set simulates vortex-induced vibrations for low Reynolds number flow and compares the results to existing research results. The second set of experiments examines VIV for high or supercritical Reynolds number flow and the last set of experiments adds rotation to the platform, hence studies the impact the Magnus effect has on stabilisation and position controlling. The simulations are conducted on a fully submerged cylinder floating in a virtual test bassin, moored by a two-dimensional spring damper system. The numerical method for solving the incompressible Navier-Stokes equations is the Eulerian cG(1)cG(1), a finite element method (FEM) based on the weak formulation of the former. The spring damper equations are solved using a trapezoidal rule and the coding was based on the Unicorn framework in FEniCS. Calculations were done on a Cray XC40 system at KTH Stockholm. Results showed that the above method in many cases produced results closer to physical results than previous numerical research. It also showed that the Magnus effect can be used even for supercritical Reynolds number flow to stabilise the platforms by reducing wakes behind them. It further shows that this effect is in close relation to the shift of the platform and mostly depends on the natural frequency, the inflow velocity and the rotation speed.
Med hänsyn till de nya teknologier och möjligheter som uppstår både inom området förnybar energi samt strömningsmekaniska beräkningar, beskriver denna avhandling simuleringen av vortexinducerade vibrationer (VIV) för flytande vindturbinplattformar. Syftet är att kontrollera och stabilisera flytande vindturbinplattformar med hjälp av både numerisk strömningssimulering och Magnuseffekten. Magnuseffekten ska användas för att minska virvelströmningar bakom cylindern och därigenom inte bara flytta cylindern, utan också minska vibrationer. Denna avhandling består av tre kategorier av experiment. Den första kategorin simulerar vortexinducerade vibrationer i strömningar med lågt Reynoldstal och jämför resultaten med befintliga forskningsresultat. Den andra kategorin experiment undersöker VIV för strömningar med högt eller superkritiskt Reynoldstal och den sista lägger till rotation till plattformen, dvs den studerar effekterna som Magnuseffekten har på stabilisering och positionskontroll. Simuleringarna utförs på en helt nedsänkt cylinder som flyter i en virtuell testbassäng, förankrat med ett tvådimensionellt fjäderdämpningssystem. Den numeriska metoden som används för att lösa de inkompressibla Navier-Stokesekvationerna är Eulersk cG(1)cG(1), en finit elementmetod (FEM) baserat på den svaga formuleringen av ekvationerna. Fjäderdämparens ekvationer löses med hjälp av trapetsregeln och kodningen är baserad på ramverket Unicorn i FEniCS. Beräkningarna gjordes på ett Cray XC40-system vid KTH Stockholm. Resultaten visade att ovanstående metod i många fall gav resultat närmare de fysiska resultaten än tidigare numerisk forskning. De visade också att Magnuseffekten kan användas för att stabilisera plattformarna genom att minska virvelströmningar bakom dem, detta inkluderar också strömningar med superkritiskt Reynoldstal. Dessutom visar resultaten att den här effekten har en stark koppling till plattformens förskjutning och mestadels beror på den naturliga frekvensen, inflödeshastigheten och rotationshastigheten.
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Ribas, Glauco Salomão Ferreira. "Uma proposta para motivar o aluno a aprender mecância no ensino médio : abordagem com tecnologias de informação e comunicação." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/173055.

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Não porque faltem bons alunos, mas pelo motivo de que aprender Física é importante, por se tratar de uma cultura necessária a qualquer cidadão de uma sociedade e não apenas aos mais vocacionados, trago uma sugestão para que a predisposição em aprender Física dos alunos de ensino médio melhore. Assim este trabalho se ocupa em apresentar recursos e atividades que buscam aproximar a vida do aluno contemporâneo ao ensino de Física, através de uma abordagem com tecnologias de informação e comunicação (TICs). Nosso foco disciplinar é o ensino de Mecânica em um ambiente favorável à aprendizagem significativa e que busca tratar a Física, bem como a Ciência, sob o viés epistemológico de Mario Bunge, isto é, trazendo a modelização subjacente na análise dos fenômenos físicos referentes a esse estudo, além de aplicar essa concepção em atividades computacionais com a planilha eletrônica Calc e os softwares Tracker e Modellus. Também é apresentada a aplicação desta proposta para uma turma de escola pública no horário extracurricular que, além de ressaltar tópicos tradicionalmente importantes sobre Mecânica, inova com atividades experimentais computacionais, tratando a resistência do ar e o efeito Magnus em lançamentos com bolas de basquete e vôlei. Os alunos chegam a perceber que não é a 45º que uma bola deve ser lançada para ir mais longe em situações práticas. Os resultados apresentados foram possíveis por ser exposta ao aluno uma visão da Física menos ingênua e mais próxima da sua realidade com algumas ferramentas essenciais como o software Modellus, determinando um alcance exploratório muito maior, para situações envolvendo esportes como futebol, basquete e vôlei, que a modelização mais idealizada, a qual apenas leva em conta a interação gravitacional dos corpos com a Terra. Ao final deste trabalho, encontra-se o respectivo produto educacional (Apêndice B), contendo toda sequência didática aplicada com algumas melhorias, organizada em guias para o professor e para os alunos.
Not because there are no good students, but for the fact that learning Physics is important, because it is a necessary culture for any citizen of a society and not only for the most educated, I bring a suggestion so that the predisposition to learn Physics of the high school students improve. Thus, this work is focused on presenting resources and activities that seek to bring the contemporary student's life closer to the teaching of Physics, through an approach with information and communication technologies (ICTs). Our disciplinary focus is the teaching of mechanics in an conducive environment to meaningful learning that seeks to treat Physics, as Science, under the epistemological bias of Mario Bunge, namely that, bringing the underlying modeling in the analysis of the physical phenomena related to this study, besides applying this conception in computational activities with the spreadsheet Calc and the softwares Tracker and Modellus. It is also presented the application of this proposal to a public-school class in extracurricular hours that, in addition to highlighting topics traditionally important on Mechanics, innovates with experimental computational activities, dealing with air resistance and Magnus effect in launches with basketball and volleyball. Students can realize that it is not at 45º that a ball should be thrown to go further in practical situations. The results presented were possible because the student was exposed to a less naive view of Physics and closer to his reality with some essential tools such as Modellus software, determining a exploratory reach far greater, for situations involving sports such as soccer, basketball and volleyball, than the most idealized modeling, which only considers the gravitational interaction of bodies with the Earth. At the end of this work, the respective educational product (Appendix B), containing all didactic sequence applied with some improvements, organized in guides for the teacher and for the students.
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Денисов, Станіслав Іванович, Станислав Иванович Денисов, Stanislav Ivanovych Denysov, Тарас Володимирович Лютий, Тарас Владимирович Лютый, Taras Volodymyrovych Liutyi, O. V. Kvasnina, and A. S. Yermolenko. "Minimal Set of Equations for Drift of Ferromagnetic Nanoparticles Induced by Magnetic Fields in Fluids." Thesis, Sumy State University, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67955.

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Recently, it has been established that ferromagnetic nanoparticles subjected to a periodic force and a non-uniformly rotating magnetic field can drift in a viscous fluid due to the Magnus effect. Because the drift phenomenon is of interest for applications such as particle separation, in this work we present a minimal set of equations for describing this phenomenon when a periodic force is induced by a gradient magnetic field.
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Петровський, Михайло Васильович, Михаил Васильевич Петровский, Mykhailo Vasylovych Petrovskyi, Тарас Володимирович Лютий, Тарас Владимирович Лютый, Taras Volodymyrovych Liutyi, and А. С. Єрмоленко. "Метод електромагнітної сепарації феромагнітних наночастинок у суспензіях з урахуванням теплових флуктуацій." Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67919.

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Спрямований транспорт (дрейф) однодоменних феромагнітних частинок у в’язкій рідині, який можна використати для сепарації частинок за розміром і намагніченістю, виникає внаслідок синхронізованої дії на них змінної сили електричної природи, яка викликає їх коливальний рух, та зовнішнього однорідного магнітного поля, яке породжує змінний момент сил і викликає їх нерівномірне обертання. Фізичною причиною виникнення дрейфового руху є ефект Магнуса, тобто вплив обертання частинки на її траєкторію.
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Rutkauskienė, Rasa. "Levels of magnesium compounds of different solubility in predominant soil types in Lithuania, effects on agricultural plants." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130916_111245-03922.

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In Europe the views on the demand of magnesium by agricultural plants as well as on the need for magnesium fertilization are different. In European countries uses different methods for determining the available magnesium content in soil. Different assessment of soil characteristics in different countries as well as very unequal magnesium fertilization rates for crops have encouraged us to review the methods of determining available magnesium in soil and the effect of magnesium fertilizer on plants. The appropriateness of applying the magnesium determination methods commonly used in different soils in Europe was established and scientifically based as well as their relationship, recalculation algorithms for the values of available magnesium obtained by applying different determination methods were prepared. The effect of the plant available magnesium content in predominant soils of Lithuania determined by different methods and that of magnesium fertilizer on the yield of Italian ryegrass and spring barley were investigated. Summarizing the research developed the most suitable determination of available magnesium in Lithuanian soil and crop fertilization magnesium fertilizer recommendations. Different solubility of magnesium in different soils and magnesium fertilizers on agricultural plants in Lithuania was studied for the first time.
Požiūris į magnio poreikį žemės ūkio augalams, o tuo pačiu tręšimą magnio trąšomis, įvairiose šalyse nėra vienodas. Europos šalyse judrusis magnis dirvožemyje nustatomas labai įvairiais metodais. Skirtingas dirvožemio savybių vertinimas įvairiose šalyse, o taip pat labai nevienodos magnio trąšų normos augalams mus paskatino naujai peržiūrėti judriojo magnio nustatymo metodus dirvožemyje ir magnio trąšų įtaką augalams. Nustatytas ir moksliškai įvertintas dažniausiai Europoje naudojamų judriojo magnio nustatymo metodų taikymo tinkamumas įvairiuose dirvožemiuose, jų tarpusavio priklausomumas, parengti perskaičiavimo algoritmai tarp įvairiais metodais nustatytų judriojo magnio reikšmių. Vyraujančiuose Lietuvos dirvožemiuose ištirta įvairiais metodais nustatyto judriojo magnio kiekio ir magnio trąšų įtaka gausiažiedžių svidrių bei vasarinių miežių derliui ir kokybei. Apibendrinus atliktus tyrimus parengtos tinkamiausių judriojo magnio nustatymo Lietuvos dirvožemiuose metodų ir žemės ūkio augalų tręšimo magnio trąšomis rekomendacijos. Lietuvoje įvairaus tirpumo magnio kiekiai įvairiuose dirvožemiuose ir magnio trąšų įtaka žemės ūkio augalams tirta pirmą kartą.
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Amjad, Asma. "Exchange coupling in molecular magnets: Zero, one and three dimensions." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5755.

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Molecular magnets with different dimensionality, whether they are zero-dimensional single-molecule magnets (SMM) or one-dimensional single-chain magnets (SCM) are very interesting, since they allow probing the fundamental aspects bordering quantum and classical physics at the nanoscale level. This dissertation covers experimental studies of two Mn-based exchange-coupled molecule-based magnets and two Co-based single-chain magnets, using both dc Hall-effect magnetometry and electron paramagnet resonance (EPR) techniques. In these multi-dimensional systems, the spin of the molecule exhibits quantum mechanical behavior at low temperature. It is quite interesting to observe the effect of magnetic exchange interactions on the magnetic properties of various complexes; hence they strongly affect the magnetic behavior. In this dissertation, the research is initiated with the study of low-magnetic-nuclearity molecules, starting with a spectroscopic study of a significantly anisotropic Mn(IV) monomer. At low temperature the molecule possesses easy-plane type anisotropy of a remarkable magnitude. Although the molecule is not a single-molecule magnet, the remarkable anisotropy can initiate synthesis of newer and better molecular magnets with Mn(IV) as the main building block. Furthermore, the interplay between the magnetic anisotropy and the inter-ion exchange interactions (J) within the molecule are probed for a dimer and a trimer where the magnetic core is comprised of two and three ions respectively. In the Mn-based case of the dimer, the low coupling between the atoms leads to significant state mixing, thus making it impossible to assign the individual spin states to the dimer or to the respective individual Mn(II) ions. In the case of the trimer, lowering of the symmetry achieved by fine tuning of the inter-ion exchange interactions leads to relieving of frustration in the antiferromagnetic (AF) triangular Mn(III) system, resulting in a well defined ground state and significant zero field splitting. Also a clear hysteretic behavior observed in this system demonstrates its SMM nature at low temperature. Finally, high-field high-frequency magnetic and spectroscopic studies performed on two cobalt-based SCMs reveal that formation of magnetic domains by exchange interactions within the chain are strongly influenced by thermal fluctuations. The chain possesses a uniaxial anisotropy with the quantization axis lying along the length of the chain. Moreover it is shown that modulation of the magnitude of inter- and intra-chain interactions results in a three-dimensional dynamics in one of the samples. Interestingly, detailed dc magnetic studies show a tunable crossover between one- and three-dimensional magnetic dynamics as a function of temperature and/or magnetic field sweep rate. Our voyage through several molecular systems of different dimensionality have allowed us to expand our understanding of the role of exchange interactions on the magnetic behavior in molecular magnetism.
M.A.
Masters
Physics
Sciences
Physics
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Barhoumi, Rabei. "Positioning and addressing single molecule magnets with an STM tip." Thesis, Strasbourg, 2019. https://publication-theses.unistra.fr/restreint/theses_doctorat/2019/BARHOUMI_Rabei_2019_ED182.pdf.

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Les aimants moléculaires de type TbPc2 avec leur anisotropie magnétique élevée associée à des temps de relaxation longs de l’aimantation sont de bons candidats pour le codage et l’enregistrement de l’information. Leur robustesse et leur propension à s’arranger en réseaux se prêtent bien à une étude de leur structure électronique et magnétique par STM/STS à très basse température (4.5 K). Dans ce travail de thèse, il a été possible de mettre en évidence un écrantage Kondo des électrons π et 4f de la molécule de TbPc2 par les électrons du substrat métallique. Les propriétés magnétiques de la molécule dépendent de leur degré d’interaction avec le substrat et des interactions latérales avec les autres molécules. Ainsi le radical π de la molécule est préservé sur Au(111) mais disparait sur Ag(111) sous l’effet d’un transfert de charge entre le substrat et la monocouche moléculaire. Enfin, lorsque la molécule est en interaction forte avec le substrat de Cu(111), un accès direct aux états 4f de l’ion central de Tb est observé par STM comme le montre la détection d’un effet Kondo sur l’ion central de Tb
With their large magnetic anisotropy associated with long relaxation times of the magnetization, TbPc2 molecular magnets are good candidates for encoding and recording data. Their robustness and their propensity to arrange into networks lend themselves well to a study of their electronic and magnetic structure by STM/STS at very low temperature (4.5 K). In this thesis work, it was possible to highlight a Kondo screening of the π and 4f electrons of the TbPc2 molecule by the electrons of the metal substrate. The magnetic properties of the molecule depend on their degree of interaction with the substrate and lateral interactions with other molecules. Thus, the π radical of the molecule is preserved on Au (111) but disappears on Ag (111) under the effect of a charge transfer between the substrate and the molecular monolayer. Finally, when the molecule is in strong interaction with the Cu(111) substrate, a direct access to the 4f states of the central Tb ion by STM is possible as shown by the detection of a Kondo effect on the central Tb ion
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Books on the topic "Magnus effect"

1

Stoddard, Jamey L. Effects of multi-generational exposure of Daphnia magna to copper. Bellingham, WA: Huxley College of the Environment, Western Washington University, 2007.

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Kaisha, Sumika Tekunosābisu Kabushiki. Heisei 22-nendo gyorui dokusei shiken chōsa , shoki seikatsu dankai dokusei shiken) gyōmu: Kankyōshō gyōmu kekka hōkokusho. [Hyōgo-ken Takarazuka-shi]: Sumika Tekunosābisu, 2011.

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Niedra, Janis M. Short-term aging of NeFeB magnets for Stirling linear alternator applications. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2001.

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Porter, John P. Toxicity of the herbicide, triclopyr, and its metabolites to Daphnia magna. Pullman, Wash: State of Washington Water Research Center, 1991.

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Reinbold, Keturah A. Effects of exposure to ammonia on sensitive life stages of aquatic organisms. Champaign, IL: Illinois Natural History Survey, Center for Aquatic Ecology, 1990.

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International Symposium on Explosion, Shock Wave and Hypervelocity Phenomena (2nd 2007 Kumamoto, Japan). Explosion, shock wave and hypervelocity phenomena in materials II: Selected peer reviewed papers from the 2nd International Symposium on Explosion, Shock Wave and Hypervelocity Phenomena (ESHP-2), 6-9 March 2007, Kumamoto, Japan. Stafa-Zurich, Switzerland: Trans Tech Publications, 2008.

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Hypertension, brain catecholamines, and peptides: Proceedings of the symposium held at the Rudolf Magnus Institute, Utrecht, the Netherlands, 19 October 1988. Amsterdam: Elsevier, 1989.

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Valenzuela, S. O. Introduction. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198787075.003.0011.

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This chapter begins with a definition of spin Hall effects, which are a group of phenomena that result from spin–orbit interaction. These phenomena link orbital motion to spin direction and act as a spin-dependent magnetic field. In its simplest form, an electrical current gives rise to a transverse spin current that induces spin accumulation at the boundaries of the sample, the direction of the spins being opposite at opposing boundaries. It can be intuitively understood by analogy with the Magnus effect, where a spinning ball in a fluid deviates from its straight path in a direction that depends on the sense of rotation. spin Hall effects can be associated with a variety of spin-orbit mechanisms, which can have intrinsic or extrinsic origin, and depend on the sample geometry, impurity band structure, and carrier density but do not require a magnetic field or any kind of magnetic order to occur.
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Brietzke, Zander. Magnum Opus. Yale University Press, 2021. http://dx.doi.org/10.12987/yale/9780300248470.001.0001.

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Magnum Opus offers an original and provocative analysis of Eugene O'Neill's unfinished cycle play project. From 1935 to 1939, Eugene O'Neill worked on a series of plays that would trace the history of an American family through several generations. He completed just two of the proposed eleven plays—A Touch of the Poet and More Stately Mansions—before putting the project aside and taking up The Iceman Cometh and Long Day's Journey Into Night. Most critics have viewed the Cycle as an extended warmup exercise, but Zander Brietzke treats the Cycle on its own terms as separate from the final plays and as O’Neill’s definitive statement on the effects of human greed and capitalism run amuck. The two plays that he did finish, numbers five and six, right in the middle, represent the core of the entire cycle and allude to the family’s past and predict its future in a critique of the American Dream. Combining archival research, literary analysis, and theatrical imagination, Magnum Opus untangles many myths about the Cycle, advances a female character as hero in a new interpretation, and proposes a new production concept as an epic event, a historical drama of our time.
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Wernsdorfer, W. Molecular nanomagnets. Edited by A. V. Narlikar and Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533060.013.4.

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This article describes the quantum phenomena observed in molecular nanomagnets. Molecular nanomagnets, or single-molecule magnets (SMMs), provides a fundamental link between spintronics and molecular electronics. SMMs combine the classic macroscale properties of a magnet with the quantum properties of a nanoscale entity. The resulting field, molecular spintronics, aims at manipulating spins and charges in electronic devices containing one or more molecules. This article first considers molecular nanomagnets and the giant spin model for nanomagnets before discussing the quantum dynamics of a dimer of nanomagnets, resonant photon absorption in Cr7Ni antiferromagnetic rings, and photon-assisted tunnelling in a single-molecule magnet. It also examines environmental decoherence effects in nanomagnets and concludes by highlighting the new trends towards molecular spintronics using junctions and nano-SQUIDs.
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Book chapters on the topic "Magnus effect"

1

Sonin, Edouard. "Magnus Force and Aharonov—Bohm Effect in Superfluids." In Springer Series in Solid-State Sciences, 119–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04665-4_8.

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Hably, Ahmad, Jonathan Dumon, Garrett Smith, and Pascal Bellemain. "Control of a Magnus Effect-Based Airborne Wind Energy System." In Airborne Wind Energy, 277–301. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-1947-0_12.

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Mielke, Alina, Daniel Klatt, and Christian Mundt. "Magnus Effect for Finned Bodies of Revolution in Supersonic Flow." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 317–27. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-25253-3_31.

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Plakhov, Alexander. "The Magnus Effect and the Dynamics of a Rough Disc." In Exterior Billiards, 197–218. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4481-7_7.

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Milutinović, Milan, Mirko Čorić, and Joško Deur. "Optimization-Inspired Control Strategy for a Magnus Effect-Based Airborne Wind Energy System." In Airborne Wind Energy, 303–33. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-1947-0_13.

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Penedo, Ricardo J. M., Tiago C. D. Pardal, Pedro M. M. S. Silva, Nuno M. Fernandes, and T. Rei C. Fernandes. "High Altitude Wind Energy from a Hybrid Lighter-than-Air Platform Using the Magnus Effect." In Airborne Wind Energy, 491–500. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39965-7_29.

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Klatt, Daniel, Robert Hruschka, and Friedrich Leopold. "Numerical Investigation of the Magnus Effect of a Generic Projectile at Mach 3 up to 90 $$^{\circ }$$ ∘ Angle of Attack." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 513–21. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03158-3_52.

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Petrakovskii, G. A. "Spin-Peierls Magnet CuGeO3." In Itinerant Electron Magnetism: Fluctuation Effects, 437–50. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5080-4_27.

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Annala, J., D. Harding, V. Shiltsev, M. Syphers, and J. Volk. "Magnets and Magnetic Field Effects." In Accelerator Physics at the Tevatron Collider, 93–124. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0885-1_3.

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Lange, Rebecca A. "Chapter 9. THE EFFECT OF H20, CO2 AND F ON THE DENSITY AND VISCOSITY OF SILICATE MELTS." In Volatiles in Magmas, edited by Michael R. Carroll and John R. Holloway, 331–70. Berlin, Boston: De Gruyter, 1994. http://dx.doi.org/10.1515/9781501509674-015.

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Conference papers on the topic "Magnus effect"

1

Canestraro Quadros, Rodrigo, and Luciano Araki. "Comparison Between Turbulence Models Over Magnus Effect." In Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2018. http://dx.doi.org/10.26678/abcm.encit2018.cit18-0180.

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Salomaa, M. M., and R. H. Salmelin. "Intrinsic magnus effect in superfluid 3He-A." In Symposium on quantum fluids and solids−1989. AIP, 1989. http://dx.doi.org/10.1063/1.38805.

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Borodavka, O. S., Alexander V. Volyar, Vladlen G. Shvedov, and Sergey A. Reshetnikoff. "Optical magnus effect in a free space." In International Conference on Correlation Optics, edited by Oleg V. Angelsky. SPIE, 1999. http://dx.doi.org/10.1117/12.370454.

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Kundikova, N. D. "Optical magnus effect in a few modes fiber." In 16th Congress of the International Commission for Optics: Optics as a Key to High Technology. SPIE, 1993. http://dx.doi.org/10.1117/12.2308637.

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Serag-Eldin, Mohamed A., and Mohammed A. Abdul Latif. "Magnus-Effect Rotors for Solar Chimney Power Plants." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-31064.

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The paper proposes the use of spinning and rotating cylinders to replace the axial turbines of Solar Chimney power plants. A large number of circular cylinders are placed equidistant, on a circular track concentric with the solar chimney axis. The cylinders spin around their own axis while simultaneously rotating about the chimney axis. By virtue of the Magnus effect, Lift forces arise which create force components tangential to the track in the direction of motion of the cylinders; thus mechanical work is produced. Using CFD modeling, the paper analyzes the resulting flow pattern and presents the expected performance of the hypothetical design for different geometric parameters and operating conditions. It is demonstrated that the design is indeed promising, and worthy of further investigation and development. It is also revealed that good performance of the proposed rotor is highly dependent on the proper choice of operating parameters.
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Mielke, Alina, Daniel Klatt, and Christian Mundt. "Magnus Effect for Finned Bodies in Supersonic Flow." In AIAA Aviation 2019 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2019. http://dx.doi.org/10.2514/6.2019-3164.

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Lukin, Aleksandr, Galina Demidova, Dmitry Lukichev, Anton Rassolkin, Toomas Vaimann, and Ants Kallaste. "Investigation of FEM Software for Magnus Effect Simulation." In 2021 28th International Workshop on Electric Drives: Improving Reliability of Electric Drives (IWED). IEEE, 2021. http://dx.doi.org/10.1109/iwed52055.2021.9376396.

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Kataevskaya, I. V. "Deformation of the speckle pattern under optical magnus effect." In 17th Congress of the International Commission for Optics: Optics for Science and New Technology. SPIE, 1996. http://dx.doi.org/10.1117/12.2298940.

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Feng, Bin, and Chao Ming. "Numerical Prediction of Magnus Effect for Dual-Spin Projectile." In 2018 6th International Conference on Mechanical, Automotive and Materials Engineering (CMAME). IEEE, 2018. http://dx.doi.org/10.1109/cmame.2018.8592353.

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Babayeva, Marina, Artur Abdullin, Nikolay Polyakov, and Stanislav Aranovskiy. "MPPT Algorithms for Magnus Effect Wind Turbine Control System." In 2020 XI International Conference on Electrical Power Drive Systems (ICEPDS). IEEE, 2020. http://dx.doi.org/10.1109/icepds47235.2020.9249348.

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Reports on the topic "Magnus effect"

1

DeSpirito, James. CFD Prediction of Magnus Effect in Subsonic to Supersonic Flight. Fort Belvoir, VA: Defense Technical Information Center, September 2009. http://dx.doi.org/10.21236/ada508090.

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Nishida, Yusuke. Efimov effect in quantum magnets. Office of Scientific and Technical Information (OSTI), November 2012. http://dx.doi.org/10.2172/1054678.

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Goldman M. A. BOOSTER DIPOLE MAGNET HALF-CELL ALIGNMENT INCLUDING MAGNET FRINGE FIELD EFFECTS. Office of Scientific and Technical Information (OSTI), April 1990. http://dx.doi.org/10.2172/1150541.

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Morgan, G. Effects of interface resistance between magnet laminations. Office of Scientific and Technical Information (OSTI), April 1986. http://dx.doi.org/10.2172/1150410.

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Wei, Jie. Effect of Longitudinal Variation of Multipoles in QRJ Magnets. Office of Scientific and Technical Information (OSTI), September 1994. http://dx.doi.org/10.2172/1119433.

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Syphers M. J. and A. Jain. Effect on Spin of Systematic Twist iin RHIC Dipole Magnets. Office of Scientific and Technical Information (OSTI), September 1998. http://dx.doi.org/10.2172/1149858.

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Parzen, G. The PHENIX Axial Field Magnets Effects and Correction. Office of Scientific and Technical Information (OSTI), August 1992. http://dx.doi.org/10.2172/1119123.

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Syphers M. J. and F. Mariam. Effects of Leakage Fields from Polarimeter Toroid Magnets. Office of Scientific and Technical Information (OSTI), July 1996. http://dx.doi.org/10.2172/1149814.

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Giulio Stancari. Parameterization of hysteresis effects in accumulator quadrupole magnets. Office of Scientific and Technical Information (OSTI), November 1999. http://dx.doi.org/10.2172/14279.

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Chung, Y., and J. Galayda. Effect of eddy current in the laminations on the magnet field. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/89553.

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