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Artykuły w czasopismach na temat "Chemical reactors Mathematical models"
Devika, P. D., P. A. Dinesh, G. Padmavathi i Rama Krishna Prasad. "Numerical Methods for Mathematical Models of Heterogeneous Catalytic Fixed Bed Chemical Reactors". Mapana - Journal of Sciences 11, nr 1 (28.05.2012): 49–64. http://dx.doi.org/10.12723/mjs.20.4.
Pełny tekst źródłaRONDONI, L. "MATHEMATICAL MODELS OF CHEMICALLY REACTING GASES". Mathematical Models and Methods in Applied Sciences 06, nr 02 (marzec 1996): 245–68. http://dx.doi.org/10.1142/s0218202596000572.
Pełny tekst źródłaKalyuzhnyi, Sergey, i Vyacheslav Fedorovich. "Integrated mathematical model of UASB reactor for competition between sulphate reduction and methanogenesis". Water Science and Technology 36, nr 6-7 (1.09.1997): 201–8. http://dx.doi.org/10.2166/wst.1997.0592.
Pełny tekst źródłaKaczmarczyk, Robert, i Sebastian Gurgul. "A Thermodynamic Analysis of Heavy Hydrocarbons Reforming for Solid Oxide Fuel Cell Application as a Part of Hybrid Energy Systems". Energies 14, nr 2 (9.01.2021): 337. http://dx.doi.org/10.3390/en14020337.
Pełny tekst źródłaKaczmarczyk, Robert, i Sebastian Gurgul. "A Thermodynamic Analysis of Heavy Hydrocarbons Reforming for Solid Oxide Fuel Cell Application as a Part of Hybrid Energy Systems". Energies 14, nr 2 (9.01.2021): 337. http://dx.doi.org/10.3390/en14020337.
Pełny tekst źródłaSpatenka, Stepan, Vlastimil Fila, Bohumil Bernauer, Josef Fulem, Gabriele Germani i Yves Schuurman. "Modelling and simulation of microchannel catalytic WGS reactor for an automotive fuel processor". Chemical Industry and Chemical Engineering Quarterly 11, nr 3 (2005): 143–51. http://dx.doi.org/10.2298/ciceq0503143s.
Pełny tekst źródłaMoustafa, T. M., M. Fahmy i S. S. E. H. Elnashaie. "Applications of Mathematical and Computer Models for the Evaluation of Novel Catalytic Reactors". Developments in Chemical Engineering and Mineral Processing 8, nr 5-6 (15.05.2008): 571–86. http://dx.doi.org/10.1002/apj.5500080509.
Pełny tekst źródłaZhang, Tongwang, Bin Zhao i Jinfu Wang. "Mathematical models for macro-scale mass transfer in airlift loop reactors". Chemical Engineering Journal 119, nr 1 (czerwiec 2006): 19–26. http://dx.doi.org/10.1016/j.cej.2006.03.005.
Pełny tekst źródłaMaksimova, Nadezhda N. "INVESTIGATION OF MATHEMATICAL MODELS OF THE CHEMICAL REACTIONS KINETICS". Messenger AmSU, nr 97 (2022): 6–12. http://dx.doi.org/10.22250/20730268_2022_97_6.
Pełny tekst źródłaFry, D. L. "Mathematical models of arterial transmural transport". American Journal of Physiology-Heart and Circulatory Physiology 248, nr 2 (1.02.1985): H240—H263. http://dx.doi.org/10.1152/ajpheart.1985.248.2.h240.
Pełny tekst źródłaRozprawy doktorskie na temat "Chemical reactors Mathematical models"
Parsons, R. W. "Mathematical models of chemical reactions". Thesis, Bucks New University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371228.
Pełny tekst źródłaRashid, Muhammad. "Stability and dynamic operability analysis of chemical processes". Title page, table of contents and abstract only, 1988. http://web4.library.adelaide.edu.au/theses/09ENS/09ensr224.pdf.
Pełny tekst źródłaNascimento, Juliana Cristina do. "Desenvolvimento de software e analise de reatores de polimerização de eteno em solução". [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267130.
Pełny tekst źródłaDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica
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Resumo: Os processos de polimerização são de grande importância, pois através destes, são produzidos uma grande diversidade de produtos de utilidade no mercado mundial, entre os quais plásticos, borrachas, tintas, etc. A simulação, a análise e o controle adequado dos processos são fundamentais para a operação e o desenvolvimento seguro de uma planta, garantindo e atendendo à demanda de competitividade atual com a fabricação de produtos de alta qualidade. O objetivo deste trabalho é o desenvolvimento de um modelo matemático determinístico detalhado e a elaboração de um software através da solução numérica do sistema de equações utilizando o Método dos Volumes Finitos. O caso de estudo considerado é a polimerização de eteno em solução em um reator tubular com catálise de Ziegler-Natta com e sem micromistura. Neste estudo é desenvolvido um modelo que simula o processo de polimerização de eteno em solução com catalisador Ziegler-Natta em uma seqüência de reatores PFR (Plug Flow Reactor - Reator de Fluxo Empistonado) e CSTR (Continuous Stirred Tank Reactor - Reator Tanque de Agitação Contínua), concentrando-se principalmente nos resultados do PFR. Os parâmetros desconhecidos necessários para a obtenção dos resultados quantitativos do modelo, como constantes cinéticas, foram estimados a partir de dados do processo industrial da Politeno SA. A partir das simulações deste modelo foram avaliados os efeitos das principais variáveis de entrada do processo no desempenho do reator e nas propriedades do polímero. Os resultados obtidos demonstram convergência para o processo sem micromistura.
Abstract: Polymerization process are important because of their large applications in the world market, for example, rubber, ink, plastic, etc. Appropriate simulation, analysis and control of a floor plan are fundamental for it safety operation and developing, providing the actual competitiveness with high quality production. This work intend to developing a detailed and deterministic mathematical model and elaborating of software using the numerical solution of a equations system obtained by Finite Volumes Method. Study case considered is the ethane polymerization in solution in a tubular reactor with catalysis Ziegler-Natta with and without micromixing. In this study were developed a model that simulates the ethane polymerization process in solution with catalysis Ziegler-Natta in a sequence of reactors PFR (Plug Flow Reactor) and CSTR (Continuous Stirred Tank Reactor), emphasizing the PFR results. The necessary parameters for model quantitative results, like kinetics constants, were calculated with Politeno SA industrial process data. The effect of the most important entrance variables in the reactor performance and in the polymer final properties were evaluated by simulations. The results show convergence for the process without micromixing.
Mestrado
Desenvolvimento de Processos Químicos
Mestre em Engenharia Química
Xu, Jin, i 徐进. "A study of chemical reaction optimization". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48199242.
Pełny tekst źródłapublished_or_final_version
Electrical and Electronic Engineering
Doctoral
Doctor of Philosophy
Shepherd, Tricia D. "Models for chemical processes : activated dynamics across stochastic potentials". Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/27062.
Pełny tekst źródłaCASTANHEIRA, MYRTHES. "Analise dos mecanismos de degradacao de varetas combustiveis falhadas em reatores PWR". reponame:Repositório Institucional do IPEN, 2004. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11141.
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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
Moles, Joshua Stephen. "Chemical Reaction Network Control Systems for Agent-Based Foraging Tasks". PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2203.
Pełny tekst źródłaMorais, Edvaldo Rodrigo de. "Modelagem e analise de reatores cataliticos de leito fixo". [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267109.
Pełny tekst źródłaTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica
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Resumo: Em reações altamente exotérmicas, uma das principais características dos reatores catalíticos de leito fixo está relacionada ao surgimento do ponto quente ou hot-spot, sendo sua prevenção de fundamental importância para o bom desempenho do reator, uma vez que ele pode levar ao aumento excessivo da temperatura no leito catalítico, o que poderia resultar em possíveis condições de instabilidade. Um fator importante para estabelecer limites de estabilidade e que, portanto, deve ser considerado dentro do projeto de reatores catalíticos de leito fixo, está relacionado à escolha da configuração de escoamento do fluido refrigerante. Desta forma, duas novas configurações de escoamento para o fluido refrigerante, empregando simultaneamente as configurações convencionais co-corrente e contra-corrente, são propostas. O objetivo é explorar e analisar a influência de diferentes configurações de refrigeração sobre o comportamento de reatores catalíticos de leito fixo monotubulares e multitubulares através de sua modelagem e simulação, reduzindo assim os efeitos do ponto-quente sobre o comportamento estacionário do reator. O emprego de modelos multitubulares é essencial quando existe a necessidade de se considerar detalhadamente todos os aspectos relacionados ao projeto mecânico do reator e também onde as interações existentes entre os tubos forem importantes. Dentre as configurações de refrigeração empregadas estão as formas convencionais, denominadas co-corrente e contra-corrente, e também as configurações mistas, que utilizam ambas as formas convencionais simultaneamente. Como caso de estudo é considerada a reação de oxidação parcial do benzeno em anidrido maleico sobre catalisador de pentóxido de vanádio (V2O5), a qual apresenta equações de taxa complexas e é altamente exotérmica, e representa uma importante classe dentro dos processos industriais. Para tanto foram desenvolvidos softwares escritos em FORTRAN 90 capazes de permitir ao usuário o estudo de diversas configurações de refrigeração e diferentes condições de operação e de projeto, tanto para o reator monotubular quanto multitubular, sendo ainda compatíveis com outras reações de interesse industrial, o que torna os procedimentos e a metodologia desenvolvidos de uso geral
Abstract: One of the main characteristics of fixed bed catalytic reactors when high exothermic reactions are carried out is the presence of the hot-spot. Prevention of hot-spot appearance is extremely important for good reactor performance, since it can lead to an excessive increase in reactor bed temperature, which could result in unstable conditions. An important factor to establish stability limits and, therefore, to be considered during the fixed bed catalytic reactor design is the choice of the coolant flow pattern. In doing so, two new coolant flow patterns are purposed using both co-current and counter-current conventional configurations simultaneously. The main objective is to explore and analyze the influence of different cooling modes on the monotubular and multitubular fixed bed catalytic reactors behavior through their modeling and simulation, reducing in this way the effects of the hot-spot on the steady state reactor behavior. The use of multitubular models is essential when there is a need to consider in detail all aspects related to the reactor mechanical design and also where the interactions between tubes are important. Among the cooling modes used are the conventional flow patterns, called co-current and counter-current, and also the mixed flow patterns, which use both conventional forms simultaneously. As a case study, the reaction of partial oxidation of benzene to maleic anhydride over a vanadium pentoxide catalyst (V2O5) is considered, which presents complex rate equations, is highly exothermic, and represent an important class of industrial processes. Bearing this in mind, FORTRAN 90 softwares that permit the user to study different cooling modes and various operational and design conditions for both mono-tubular and multitubular reactors were developed. These softwares are compatible with other reactions of industrial interest, which makes the procedures and methodology developed for general use
Doutorado
Desenvolvimento de Processos Químicos
Doutor em Engenharia Química
Guo, Zhen, i 郭臻. "Density functional theory studies of selected hydrogen bond assisted chemical reactions". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42182335.
Pełny tekst źródłaMedvecz, Patrick J. "Spectroscopic evaluation of the gas phase above a burning black liquor char bed". Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/5759.
Pełny tekst źródłaKsiążki na temat "Chemical reactors Mathematical models"
Modeling of chemical kinetics and reactor design. Boston, MA: Gulf Professional Pub., 2001.
Znajdź pełny tekst źródłaComputational flow modeling for chemical reactor engineering. San Diego, Calif: Academic, 2002.
Znajdź pełny tekst źródłaErn, Alexandre. Multicomponent transport algorithms. Berlin: Springer-Verlag, 1994.
Znajdź pełny tekst źródłaJ, Tóth, red. Mathematical models of chemical reactions: Theory and applications of deterministic and stochastic models. Manchester: Manchester University Press, 1989.
Znajdź pełny tekst źródłaLaari, Arto. Gas-liquid mass transfer in bubbly flow: Estimation of mass transfer, bubble size and reactor performance in various applications. Lappeenranta: Lappeenranta University of Technology, 2005.
Znajdź pełny tekst źródła1929-, Chung T. J., red. Numerical modeling in combustion. Washington, DC: Taylor & Francis, 1993.
Znajdź pełny tekst źródłaA mechanical string model of adiabatic chemical reactions. Berlin: Springer, 1998.
Znajdź pełny tekst źródłaPéter, Érdi. Mathematical models of chemical reactions: Theory and applications of deterministic and stochastic models. Princeton, N.J: Princeton University Press, 1989.
Znajdź pełny tekst źródłaGeiser, Juergen. Models and simulation of deposition processes with CVD apparatus: Theory and applications. Hauppauge, N.Y. , USA: Nova Science Publishers, 2009.
Znajdź pełny tekst źródłaThe hydrodynamics of gas-liquid reactors: Normal operation and upset conditions. Hoboken, N.J: John Wiley & Sons, 2011.
Znajdź pełny tekst źródłaCzęści książek na temat "Chemical reactors Mathematical models"
Schuss, Zeev. "Brownian Models of Chemical Reactions in Microdomains". W Applied Mathematical Sciences, 135–63. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7687-0_5.
Pełny tekst źródłaShah, Y. T., A. B. Pandit i V. S. Moholkar. "Models for Cavitation Reactors". W The Plenum Chemical Engineering Series, 247–75. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4787-7_7.
Pełny tekst źródłaThoenes, Dirk. "Models for Ideal Single-Phase Reactors". W Chemical Reactor Development, 24–55. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-015-8382-4_3.
Pełny tekst źródłaWacker, Hj, T. Kronberger, A. Ortner i L. Peer. "Mathematical Models in Chemical Engineering". W Operations Research Proceedings, 570–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77254-2_66.
Pełny tekst źródłaWacker, Hj, T. Kronberger, A. Ortner i L. Peer. "Mathematical Models in Chemical Engineering". W Proceedings of the Fifth European Conference on Mathematics in Industry, 65–74. Wiesbaden: Vieweg+Teubner Verlag, 1991. http://dx.doi.org/10.1007/978-3-663-01312-9_7.
Pełny tekst źródłaStaib, T. "On an Optimal Control Problem for Chemical Reactors". W Lecture Notes in Economics and Mathematical Systems, 325–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-46823-0_24.
Pełny tekst źródłaSauty, Jean Pierre. "Coupling Chemical Reactors with Particle Tracking Transport Models". W Groundwater and Subsurface Remediation, 233–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-45750-0_15.
Pełny tekst źródłaDeutschmann, Olaf, i Steffen Tischer. "Numerical Simulation of Catalytic Reactors by Molecular-Based Models". W Contributions in Mathematical and Computational Sciences, 227–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30367-8_11.
Pełny tekst źródłaKiparissides, Costas, i Harilaos Mavridis. "Mathematical Modelling and Sensitivity Analysis of High Pressure Polyethylene Reactors". W Chemical Reactor Design and Technology, 759–77. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4400-8_21.
Pełny tekst źródłaKleijn, Chris R., i Christoph Werner. "Mathematical models for chemical vapor deposition". W Modeling of Chemical Vapor Deposition of Tungsten Films, 19–65. Basel: Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-7741-1_3.
Pełny tekst źródłaStreszczenia konferencji na temat "Chemical reactors Mathematical models"
Naumov, V. I., V. G. Kriukov, A. L. Abdullin, A. V. Demin i R. L. Iskhakova. "Chemical Non-Equilibrium Model for Simulation of Combustion and Flow in Propulsion and Power Generation Systems". W ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81033.
Pełny tekst źródłaNeises, Martina, Felix Goehring, Martin Roeb, Christian Sattler i Robert Pitz-Paal. "Simulation of a Solar Receiver-Reactor for Hydrogen Production". W ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90273.
Pełny tekst źródłaVa´squez, Ricardo S., Antonio J. Bula i Javier E. Camargo. "Chemical Equilibrium of Butane Combustion in a Perfectly Stirred Reactor: Thermodynamic – Mathematical Model". W ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32991.
Pełny tekst źródłaHan, Wei, Rachaneewan Charoenwat i Brian H. Dennis. "Numerical Investigation of Biodiesel Production in Capillary Microreactor". W ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48765.
Pełny tekst źródłaSaleh, Mohamed E., Wei Li i Shi-chune Yao. "Mathematical Modeling of De-Hydrogenation Micro-Reactors for Vehicles Using the Liquid Carrier of Hydrogen Fuel". W ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62304.
Pełny tekst źródłaBothe, Dieter, Alexander Lojewski i Hans-Joachim Warnecke. "Direct Numerical Simulation of Reactive Mixing in a T-Shaped Micro-Reactor". W ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37507.
Pełny tekst źródłaKar, Aritra, Palash Acharya, Awan Bhati, Arjang Shahriari, Ashish Mhahdeshwar, Timothy A. Barckholtz i Vaibhav Bahadur. "Modeling the Influence of Heat Transfer on Gas Hydrate Formation". W ASME 2022 Heat Transfer Summer Conference collocated with the ASME 2022 16th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ht2022-79744.
Pełny tekst źródłaKobeleva, S. "STRUCTURE OF INTRINSIC POINT DEFECTS IN CDTE". W Mathematical modeling in materials science of electronic component. LCC MAKS Press, 2022. http://dx.doi.org/10.29003/m3092.mmmsec-2022/135-138.
Pełny tekst źródłaDulikravich, George S., i Marcelo J. Colac¸o. "An Analytical Model of Phase Changing Chemically Reacting Mixture Flows". W ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41702.
Pełny tekst źródłaProkop, Roman, Radek Matusu i Jiri Vojtesek. "A Robust And Adaptive Approach To Control Of A Continuous Stirred Tank Reactor With Jacket Cooling". W 35th ECMS International Conference on Modelling and Simulation. ECMS, 2021. http://dx.doi.org/10.7148/2021-0185.
Pełny tekst źródłaRaporty organizacyjne na temat "Chemical reactors Mathematical models"
Lai, C. H. Mathematical models of thermal and chemical transport in geologic media. Office of Scientific and Technical Information (OSTI), grudzień 1985. http://dx.doi.org/10.2172/5709552.
Pełny tekst źródłaRumynin, V. G., V. A. Mironenko, L. N. Sindalovsky, A. V. Boronina, P. K. Konosavsky i S. P. Pozdniakov. Evaluation of conceptual, mathematical and physical-and-chemical models for describing subsurface radionuclide transport at the Lake Karachai Waste Disposal Site. Office of Scientific and Technical Information (OSTI), czerwiec 1998. http://dx.doi.org/10.2172/6513.
Pełny tekst źródłaLieth, J. Heiner, Michael Raviv i David W. Burger. Effects of root zone temperature, oxygen concentration, and moisture content on actual vs. potential growth of greenhouse crops. United States Department of Agriculture, styczeń 2006. http://dx.doi.org/10.32747/2006.7586547.bard.
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