Literatura académica sobre el tema "POINT REACTOR KINETICS"
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Artículos de revistas sobre el tema "POINT REACTOR KINETICS"
Planchard, J. "On the point-reactor kinetics approximation". Progress in Nuclear Energy 26, n.º 3 (enero de 1991): 207–16. http://dx.doi.org/10.1016/0149-1970(91)90035-n.
Texto completoAbramov, B. D. y Yu V. Matveev. "Some Inverse Problems for Reactor Point Kinetics". Transport Theory and Statistical Physics 37, n.º 2-4 (23 de diciembre de 2008): 327–43. http://dx.doi.org/10.1080/00411450802515973.
Texto completoAboanber, Ahmed E. "Generalized and Stability Rational Functions for Dynamic Systems of Reactor Kinetics". International Journal of Nuclear Energy 2013 (13 de agosto de 2013): 1–12. http://dx.doi.org/10.1155/2013/903904.
Texto completoZhu, Wenzhang y Qiang ZHAO. "ICONE19-43375 Solution of Point-Reactor Neutron Kinetics Equation by Gauss Precise Time-Integration Method". Proceedings of the International Conference on Nuclear Engineering (ICONE) 2011.19 (2011): _ICONE1943. http://dx.doi.org/10.1299/jsmeicone.2011.19._icone1943_160.
Texto completoSingh, Sudhansu y Mohapatra Dinakrushna. "Solution of the reactor point kinetics equations by MATLAB computing". Nuclear Technology and Radiation Protection 30, n.º 1 (2015): 11–17. http://dx.doi.org/10.2298/ntrp1501011s.
Texto completoHayes, J. G. y E. J. Allen. "Stochastic point-kinetics equations in nuclear reactor dynamics". Annals of Nuclear Energy 32, n.º 6 (abril de 2005): 572–87. http://dx.doi.org/10.1016/j.anucene.2004.11.009.
Texto completoObaidurrahman, Khalilurrahman y Om Singh. "A comparative study of kinetics of nuclear reactors". Nuclear Technology and Radiation Protection 24, n.º 3 (2009): 167–76. http://dx.doi.org/10.2298/ntrp0903167o.
Texto completoValocchi, G., J. Tommasi y P. Ravetto. "Reduced order models in reactor kinetics: A comparison between point kinetics and multipoint kinetics". Annals of Nuclear Energy 147 (noviembre de 2020): 107702. http://dx.doi.org/10.1016/j.anucene.2020.107702.
Texto completoKale, Vivek, Rakesh Kumar, K. Obaidurrahman y Avinash Gaikwad. "Linear stability analysis of a nuclear reactor using the lumped model". Nuclear Technology and Radiation Protection 31, n.º 3 (2016): 218–27. http://dx.doi.org/10.2298/ntrp1603218k.
Texto completoNahla, Abdallah A. y Elsayed M. E. Zayed. "Solution of the nonlinear point nuclear reactor kinetics equations". Progress in Nuclear Energy 52, n.º 8 (noviembre de 2010): 743–46. http://dx.doi.org/10.1016/j.pnucene.2010.06.001.
Texto completoTesis sobre el tema "POINT REACTOR KINETICS"
Parra, S. A. (Santiago Ariel). "Simulating light-water-reactor start-up transients using a point-kinetics model with a precalculated reactivity-table". Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/35951.
Texto completoCooling, Christopher. "Development of a point kinetics model with thermal hydraulic feedback of an aqueous homogeneous reactor for medical isotope production". Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/24969.
Texto completoDal'Maz, Silva Walter. "Mise au point de la carbonitruration gazeuse des alliages 16NiCrMo13 et 23MnCrMo5 : modélisation et procédés". Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0158/document.
Texto completoThe development of engineering materials combining both toughness and wear resistance is still a challenge. Aiming to contribute to this field of study, this thesis presents a study of the carbonitriding process of alloys 16NiCrMo13 and 23MnCrMo5. Kinetics of hydrocarbon- and ammonia-based atmospheres, as well as local equilibrium and diffusion kinetics for achieving the enrichment profiles, are studied by numerical simulation. These simulations are compared to chromatography measurements of gas phase pyrolysis products of acetylene and ammonia decomposition, and with metallurgical responses, where the comparison is made with evaluated diffusion profiles, hardness measurements and the identification of precipitates by transmission electron microscopy. Hardness after quench and cryogenic treatment depends on the square root of total solid solution interstitial content simulated by using local carbon and nitrogen compositions obtained experimentally. After tempering, the regions enriched in nitrogen show better hardness stability than those with same total carbon interstitial content, what was linked to a fine precipitation of iron nitrides observed by transmission electron microscopy. Mole balance of pyrolysis products show that the main non-detected species are high-carbon radicals, which may also lead to the formation of polycyclic aromatic hydrocarbons of high molecular weight at the reactor outlet. At both atmospheric and reduced pressures, constant concentration enrichment boundary conditions were established by using low partial pressures of acetylene diluted in nitrogen. Pyrolysis of this precursor attains high conversion rates at treatment conditions given the important residence time of the atmospheric pressure reactor. Ammonia decomposition kinetics being much slower than that of low molecular weight hydrocarbons, it was possible to identify the decomposition rate of this species over a metallic sample during a treatment
Zekri, Mohamed el Mehdi. "Mise au point d'un réacteur photocatalytique pour la dépollution de l'eau". Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112168/document.
Texto completoThe objective of this work is to develop a methodology dedicated to the design of a photocatalytic reactor for water purification. The principle is to go from photocatalysis as chemical process to photocatalysis as remediation method.Iit necessary for that to respond to two questions: - In such a system, what are the major physico-chemical phenomena? - Is there a way to predict the performance of our system?First of all, we tried to work on suspended photocatalysts to avoid a costly filtration step and technical difficulties. Thus, different types of titanium dioxide were deposited on substrates of different geometries.The first obtained medium was commercial titanium dioxide (P25 from Evonik and UV100 from Sachtleben) deposited on glass beads of 2 and 4 mm, inserted into an annular reactor illuminated by a single UV light source. The photoactivity of this media has been tested on phenol, the primary pollutant model chosen in this study. Hydroquinone and benzoquinone, two of its main degradation intermediates were also analyzed. The deposition efficiency has been estimated on different configurations. The results were satisfactory but did not reach a level comparable to that of photoactivity of TiO2 in suspend mode. Thus, we sought to improve the performance of our reaction system working on a support having a different geometry. Our choice fell on alumina foams perfectly matching the vacuum in the reactor. The same experimental protocol was applied to the foam. The results have shown photodegradation durability better than that obtained on glass beads and also the photoperformance exceeding that of titanium dioxide in suspend mode.To understand better the photoactivity of our media, we simulated by the Monte Carlo method the propagation of the light through the different photocatalysts (suspend mode or deposited). The results showed that the titanium dioxide suspension had the best absorption of light compared to TiO2 fixed on media. Nevertheless, absorption was located on a very small volume of the reactor and a better distribution of the light energy occurs in the alumina foams.The data obtained from these simulations, including the LVRPA "Local Volumetric Rate of Photon Absorption", allowed us to achieve the final step of our work, which is the construction of a predictive model of photocatalytic performance of the reaction system. Thus, we have introduced a term that reflects the probability that a photon absorbed by the photocatalyst gives a hydroxyl radical. The results obtained by our mathematical environment have shown a good correlation with experiments and helped us to draw some conclusions for the improving of our photocatalytic system
Favorite, Jeffrey Alan. "Variational estimates of point kinetics parameters". Thesis, Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/16756.
Texto completoSchaube, Maximilian [Verfasser] y Joachim [Akademischer Betreuer] Maier. "Impact of point defects on reaction kinetics of systematically doped ceria / Maximilian Schaube ; Betreuer: Joachim Maier". Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2020. http://d-nb.info/1210488221/34.
Texto completoSilva, Rodney Aparecido Busquim e. "Implications of advanced computational methods for reactivity initiated accidents in nuclear reactors". Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3139/tde-20072016-142605/.
Texto completoEste trabalho aplica métodos computacionais avançados para simular a ejeção de barras de controle (CRE) em uma planta térmica nuclear (NPP). São avaliados o impacto da ocorrência de acidentes iniciados por reatividade (RIAs) na reatividade total, na distribuição da potência em três dimensões (3D) e na determinação da reatividade. As ferramentas utilizadas são: o código termo-hidráulico (TH) RELAP5 (R5), o código neutrônico (NK) PARCS (P3D), a versão acoplada P3D/R5, e o ambiente computacional MATLAB. Este estudo considera três reatores nucleares de diferentes tamanhos: NPP1 (2772 MWT); NPP2 (530 MWt); e NPP3 (1061 MWt). Os três núcleos possuem projeto similar e idêntica posição dos grupos das barras de controle (CRA), além do mesmo valor de reatividade diferencial das CRA ejetadas e idêntica velocidade de ejeção. A ocorrência da CRE é avaliada sob condições de hot zero power (HZP) e de hot full power (HFP). As análises indicam que a modelagem e a simulação de RIAs devem ser realizadas sistematicamente, caso contrário os resultados não irão refletir o comportamento em regime transitório do núcleo. A simulação de um modelo em um código depende da apropriada configuração de parâmetros gerados pelo outro código e da determinação adequada do mapeamento TH/NK para as várias malhas dos modelos. Do ponto de vista de projeto, a utilização de códigos independentes resulta em cálculos de potência e reatividade conservadores em comparação com os resultados utilizando-se P3D/R5. Os picos de potência e de reatividade são menores à medida que o núcleo encolhe. A simulação em condições de HFP resulta em valores de pico de potência similares durante transitório para as três NPPs, mas a potência de pós-transitórios é menor para o menor núcleo. A análise em condições de HZP também indica que o valor máximo durante o transitório é menor para o menor núcleo, mas o pós-transitórios ocorre aos mesmos níveis de potência das demais NPPS. A distribuição de potência em 3D também apresenta resultados distintos para condições de HFP e HZP, mas tais resultados são independentes do tamanho do núcleo: i) HFP: há um aumento da potência do núcleo em torno da CRE, mas tal comportamento diminui para núcleos menores - no entanto, a potência é bem distribuída após o transitório; e ii) HZP: há aumento de potência na área do CRE, mas o pico de potência em 3D é menor durante e depois dos transitórios para núcleos menores. Tais características indicam que os núcleos menores respondem de forma mais segura quando da inserção de reatividade em comparação a reatores de maiores dimensões. O método estocástico de filtragem de Kalman estendido (EKF) foi codificado para estimar a reatividade com base no perfil de potência da NPP, após a adição de ruído aleatório. O método determinístico da cinética pontual inversa (IPK) também foi implementado e os resultados da aplicação dos algoritmos do EKF e IPK foram comparados com os resultados da simulação do P3D/R5. As seguintes estratégias, implementadas neste trabalho, possibilitaram a aplicação robusta e precisa do EKF: o sistema foi modelado por um conjunto de equações diferenciais não-lineares estocásticas de tempo contínuo; o algoritmo obtém o passo de tempo diretamente da potência medida e aplica-o ao modelo para a discretização e linearização online; o ajuste do filtro ocorre automaticamente a partir do primeiro passo de tempo; e a matriz de covariância do ruído no estado é atualizada online. Verificou-se que a reatividade calculada pelo método IPK possui maior nível de ruído quando comparada ao EKF para todos os casos estudados. Portanto, o EKF apresenta resultados superiores e mais precisos. Além disso, sob uma pequena inserção de reatividade, a reatividade calculada pelo método IPK varia consideravelmente de valores positivos para negativos: esta variação não é observada com o EKF. Uma análise de sensibilidade para três desvios padrão (SD) sugere que o algoritmo EKF é superior ao método IPK, independente da magnitude do ruído. Com o aumento da magnitude do ruído, o erro entre as reatividades calculadas pelo IPK e pelo P3D/R5 aumenta. A análise de sensibilidade para cinco ruídos aleatórios indica que a adição de ruído na potência do reator não altera o desempenho global de ambos os algoritmos.
MANDAVIA, DHAIVAT. "SLIDING MODE OBSERVERS FOR OBSERVING THE DYNAMICS OF NUCLEAR REACTOR SYSTEMS". Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14612.
Texto completoWu, Hongjian. "Achieving safe free residual chlorination at point-of-use in emergencies: a modelling approach". Thesis, 2020. http://hdl.handle.net/1828/11737.
Texto completoGraduate
2021-04-13
Libros sobre el tema "POINT REACTOR KINETICS"
Yarman, Tolga. An error criteria for point kinetics and two-mode synthesis techniques. Istanbul: Institute for Nuclear Energy, Technical University of Istanbul, 1999.
Buscar texto completoA, Escrivá, U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research, Universidad Politécnica de Valencia. Departamento de Ingenieria Quimica y Nuclear y IBRDROLA (ID) (Firm), eds. Confrentes NPP (BWR/6) ATWS (MSIVC) analysis with TRAC-BF1: 1D vs. point kinetics and containment response. Washington, DC: Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 2000.
Buscar texto completoSherwood, Dennis y Paul Dalby. Chemical equilibrium and chemical kinetics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198782957.003.0014.
Texto completoWinkler, Adolf. Reaction studies on nanostructured surfaces. Editado por A. V. Narlikar y Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533046.013.12.
Texto completoBanerjee, Diptonil, Amit Kumar Sharma y Nirmalya Sankar Das. Nano Materials Induced Removal of Textile Dyes from Waste Water. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/97898150502951220101.
Texto completoСадовников, Василий. Теория гетерогенного катализа. Теория хемосорбции. Publishing House Triumph, 2021. http://dx.doi.org/10.32986/978-5-40-10-01-2001.
Texto completoCapítulos de libros sobre el tema "POINT REACTOR KINETICS"
Oka, Yoshiaki. "Point Reactor Kinetics". En Nuclear Reactor Kinetics and Plant Control, 9–22. Tokyo: Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-54195-0_2.
Texto completoZohuri, Bahman. "Reactor Kinetics and Point Kinetics". En Neutronic Analysis For Nuclear Reactor Systems, 407–33. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-42964-9_11.
Texto completoZohuri, Bahman. "Reactor Kinetics and Point Kinetics". En Neutronic Analysis For Nuclear Reactor Systems, 401–26. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04906-5_11.
Texto completoPyeon, Cheol Ho. "Reactor Kinetics". En Accelerator-Driven System at Kyoto University Critical Assembly, 51–81. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0344-0_3.
Texto completoMasterson, Robert E. "The Point Kinetics Approximation and the Inhour Equation". En Introduction to Nuclear Reactor Physics, 673–718. Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, [2017]: CRC Press, 2017. http://dx.doi.org/10.1201/9781315118055-16.
Texto completoVyawahare, Vishwesh y Paluri S. V. Nataraj. "Further Developments Using Fractional-order Point Reactor Kinetics Model". En Fractional-order Modeling of Nuclear Reactor: From Subdiffusive Neutron Transport to Control-oriented Models, 93–123. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7587-2_5.
Texto completoVyawahare, Vishwesh y Paluri S. V. Nataraj. "Development and Analysis of Fractional-order Point Reactor Kinetics Model". En Fractional-order Modeling of Nuclear Reactor: From Subdiffusive Neutron Transport to Control-oriented Models, 73–91. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7587-2_4.
Texto completoTarantino, F. A., R. P. Jacqmin y A. F. Henry. "The Validity of the Point Kinetics Model During Reactor Start-Up". En Nuclear Simulation, 170–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-84279-5_13.
Texto completoVyawahare, Vishwesh y Paluri S. V. Nataraj. "Development and Analysis of Fractional-order Point Reactor Kinetics Models with Reactivity Feedback". En Fractional-order Modeling of Nuclear Reactor: From Subdiffusive Neutron Transport to Control-oriented Models, 125–66. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7587-2_6.
Texto completoSaha Ray, Santanu. "Numerical Simulation of Stochastic Point Kinetics Equation in the Dynamical System of Nuclear Reactor". En Nonlinear Differential Equations in Physics, 375–88. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1656-6_9.
Texto completoActas de conferencias sobre el tema "POINT REACTOR KINETICS"
Golovkina, Anna G. "Two-point kinetics model for hybrid cascade subcritical reactor". En 2015 International Conference "Stability and Control Processes" in Memory of V.I. Zubov (SCP). IEEE, 2015. http://dx.doi.org/10.1109/scp.2015.7342080.
Texto completoLiu, Dong, Xiuchun Luan, Tao Yu, Weining Zhao y Lei Liu. "The Controllability of the Point Reactor Neutron Kinetics Equations". En 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30494.
Texto completoLuan, Xiuchun, Jie Zhou y Yu Zhai. "Takagi-Sugeno Fuzzy Load-Following Control of Nuclear Reactors Based on Reactor Point Kinetics Equations". En 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30562.
Texto completoMahfudin, Ikhsan, Igi Ardiyanto y Adha Imam Cahyadi. "Auto-tuning PID Controller for NuScale Nuclear Reactor using Point Reactor Kinetics Model Simulator". En 2022 9th International Conference on Information Technology, Computer, and Electrical Engineering (ICITACEE). IEEE, 2022. http://dx.doi.org/10.1109/icitacee55701.2022.9923982.
Texto completoVrban, Branislav, Miroslava Dobroňová, Jakub Lüley, Štefan Čerba, Filip Osuský y Vladimír Nečas. "On the Taylor series solution of the reactor point kinetics equations". En APPLIED PHYSICS OF CONDENSED MATTER (APCOM 2021). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0066972.
Texto completoWang, Xin, Kathryn D. Huff, Manuele Aufiero, Per F. Peterson y Massimiliano Fratoni. "Coupled Reactor Kinetics and Heat Transfer Model for Fluoride Salt-Cooled High-Temperature Reactor Transient Analysis". En 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60728.
Texto completoVyawahare, Vishwesh y P. S. V. Nataraj. "Modeling Neutron Dynamics in Nuclear Reactor using Fractional-order Point Reactor Kinetics Model with Adiabatic Temperature Feedback". En 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications. SCITEPRESS - Science and Technology Publications, 2014. http://dx.doi.org/10.5220/0005038103520360.
Texto completoYamamoto, Takahisa, Koshi Mitachi y Masatoshi Nishio. "Reactor Controllability of 3-Region-Core Molten Salt Reactor System: A Study on Load Following Capability". En 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89440.
Texto completoPan, Shibiao. "Research on the Measurement of Deep Subcriticality Based on Pulsed Neutron Source Method". En 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15883.
Texto completoGorton, Jacob P. y Nicholas R. Brown. "Analysis of Reactivity Accidents in Modular HTGRs". En 2020 International Conference on Nuclear Engineering collocated with the ASME 2020 Power Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/icone2020-16731.
Texto completoInformes sobre el tema "POINT REACTOR KINETICS"
Kontogeorgakos, D. C. y H. M. Connaway. Software Requirements for a Point Kinetics Neutronics Code for Simulating TREAT Reactor Transients. Office of Scientific and Technical Information (OSTI), marzo de 2018. http://dx.doi.org/10.2172/1463242.
Texto completoNeher, Daryl E. y II. Research Report Point Reactor Kinetic Analysis. Fort Belvoir, VA: Defense Technical Information Center, diciembre de 2002. http://dx.doi.org/10.21236/ada410867.
Texto completoLahav, Ori, Albert Heber y David Broday. Elimination of emissions of ammonia and hydrogen sulfide from confined animal and feeding operations (CAFO) using an adsorption/liquid-redox process with biological regeneration. United States Department of Agriculture, marzo de 2008. http://dx.doi.org/10.32747/2008.7695589.bard.
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