Academic literature on the topic 'Chemical process modelling'

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Journal articles on the topic "Chemical process modelling"

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Kajero, Olumayowa T., Tao Chen, Yuan Yao, Yao-Chen Chuang, and David Shan Hill Wong. "Meta-modelling in chemical process system engineering." Journal of the Taiwan Institute of Chemical Engineers 73 (April 2017): 135–45. http://dx.doi.org/10.1016/j.jtice.2016.10.042.

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Bay Jørgensen, S., L. Goldschmidt, and L. Hallager. "Sparse Process Modelling for Robust Multivariable Adaptive Chemical Process Control." IFAC Proceedings Volumes 18, no. 5 (1985): 391–96. http://dx.doi.org/10.1016/s1474-6670(17)60591-3.

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Nilsson, B. "Object-oriented Modelling of a Controlled Chemical Process." IFAC Proceedings Volumes 23, no. 8 (1990): 303–8. http://dx.doi.org/10.1016/s1474-6670(17)51751-6.

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Baran, Ismet, Jesper H. Hattel, and Cem C. Tutum. "Thermo-Chemical Modelling Strategies for the Pultrusion Process." Applied Composite Materials 20, no. 6 (2013): 1247–63. http://dx.doi.org/10.1007/s10443-013-9331-x.

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Chien, Daniel C. H., Peter L. Douglas, Dennis H. Herman, and Andrew Marchbank. "Modelling a uranium ore bioleaching process." Canadian Journal of Chemical Engineering 68, no. 3 (1990): 427–34. http://dx.doi.org/10.1002/cjce.5450680312.

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Greeff, D. J., and C. Aldrich. "Empirical modelling of chemical process systems with evolutionary programming." Computers & Chemical Engineering 22, no. 7-8 (1998): 995–1005. http://dx.doi.org/10.1016/s0098-1354(97)00271-8.

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Kostoglou, M., N. Andritsos, and A. J. Karabelas. "Progress towards modelling the CdS chemical bath deposition process." Thin Solid Films 387, no. 1-2 (2001): 115–17. http://dx.doi.org/10.1016/s0040-6090(00)01845-9.

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Duty, C., D. Jean, and W. J. Lackey. "Laser chemical vapour deposition: materials, modelling, and process control." International Materials Reviews 46, no. 6 (2001): 271–87. http://dx.doi.org/10.1179/095066001771048727.

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Chen, Zeng-Ping, Julian Morris, and Elaine Martin. "Modelling Temperature-Induced Spectral Variations in Chemical Process Monitoring." IFAC Proceedings Volumes 37, no. 9 (2004): 553–58. http://dx.doi.org/10.1016/s1474-6670(17)31867-0.

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Heyen, G., X. Alleman, B. Kalitventzeff, and D. Dalemans. "Modelling the butterfat crystallisation process." Computers & Chemical Engineering 23 (June 1999): S819—S822. http://dx.doi.org/10.1016/s0098-1354(99)80201-4.

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Dissertations / Theses on the topic "Chemical process modelling"

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Hutton, Douglas. "Knowledge based flowsheet modelling for chemical process design." Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/15084.

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The aim of this work was to develop an experimental tool to perform flow-sheeting tasks throughout the course of chemical process design. Such design proceeds in a hierarchical manner increasing the amount of detail in the description of the plant, and, correspondingly, in the mathematical models used to describe the plant. The models range from the simplest overall mass balance to rigorous unit models, and the calculations required in the course of a design may include the modelling of the complete plant or any of its constituent parts at any level of detail between these two extremes. Object oriented programming has been used to represent the hierarchy of units required throughout a hierarchical design. A flexible modelling tool requires that models compatible with both the designer's intention and the context of the design are created. Sets of equations are defined in a generic form independent of process units with their selection as part of a model being dependent on the function and context of the unit being modelled. The expansion of the generic equation descriptions is achieved with reference to the structure of the unit, e.g. number of inlets and outlets, while the context of an equation determines the form of the equation to be applied, e.g. ideal or non-ideal behaviour. Equations are, therefore, represented as relations between a process item and its structural and contextual properties. An increase in modelling flexibility is obtained by allowing the designer to interact with generated models. Different sets of equations can be selected within constraints imposed by the system. At a lower level, terms in individual equations can be modified for particular applications. In chemical process design, many different analyses are performed. To demonstrate the application of different tools to a central model, the modelling system has been incorporated within a process synthesis framework. The application of the system to simple design case studies is described.
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Wu, Yi-yi. "Dynamic simulation and modelling of chemical vapour deposition process." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/41386/.

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This thesis mainly presents the use of CFD modelling to investigate and optimise the MOCVD processes in fabrication of II-VI compounds – cadmium telluride (CdTe) and zinc oxide (ZnO). It gives insight in detailed process modelling and proves the ability of using CFD modelling, which accounts for the interaction between hydrodynamics and chemical reactions in the reactor, to accurately predict the growth rate and thickness uniformity. The growth behaviour of CdTe was investigated in a custom-made inline MOCVD reactor by analysing the influence of the operating process parameters, which involves (a) deposition temperature, (b) operating pressure, (c) total flow rate, and (d) the partial pressure ratio of precursors on the performance of the thin film (i.e. thin film deposition rates, thickness uniformity and material utilisation) in steady flows. The deposition of ZnO was studied in a bespoke horizontal reactor. Flow behaviour, heat transfer and mass transfer involved in the MOCVD reactor were discussed under different process parameters, with the objective to improve MOCVD process control. A thermal field calculation was implemented in the CFD modelling of ZnO deposition. A series of experiments of coating ZnO layers were performed to validate the simulation results. In addition, the analytical model, with reasonable simplifications and approximations for ZnO deposition, were further performed to get an intuitive insight into the mechanism governing the growth rate and uniformity in MOCVD processes. A good agreement was achieved through theory analysis, numeral simulation and experiment. The analysis of the transport phenomena under different process parameters in this study can greatly contribute to optimising the MOCVD equipment and processes, and to achieving the ultimate goal of a better growth rate, uniformity and controllability on thin film with economic use of precursors.
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Kelly, Brian E. "The modelling of fault conditions in chemical process plant." Thesis, Loughborough University, 1987. https://dspace.lboro.ac.uk/2134/28195.

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As the complexity of chemical plants has increased over the years, so concern about their safe and reliable operation has increased. A number of special techniques have been developed to assist engineers to assess the safety and reliability of process plant design, and these are gaining increasing acceptance in industry.
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Ingram, Gordon Douglas. "Multiscale modelling and analysis of process systems /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19319.pdf.

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Peel, Christine. "Aspects of neural networks for modelling and control." Thesis, University of Newcastle upon Tyne, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262989.

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Lotz, Marco. "Modelling of process systems with Genetic Programming /." Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/570.

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Vadhwana, V. A. "A model simplification technique for computer flowsheeting." Thesis, London South Bank University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382822.

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Jareman, Fredrik. "MFI-molecular sieve membranes : synthesis, characterization and modelling." Licentiate thesis, Luleå tekniska universitet, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17718.

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This work concerns evaluation by permeation measurements and modeling of thin (<2µm) MFI molecular sieve membranes and, to a smaller extent, synthesis of such materials. The membranes have been synthesized on graded a-alumina microfiltration filters using The seed film method. Scanning electron microscopy and x-ray diffraction were used for characterization in addition to permeation measurements. Mathematical models describing membrane flux for real membranes and defect distributions were developed. Defect distributions were calculated from porosimetry data and were further used for prediction of single gas permeation characteristics for real membranes. The models confirm the experimental findings, with respect to ideal selectivities as a measurement of membrane quality. Membrane permeation simulations indicate increasing ideal selectivities, with increasing film thickness, for quotients containing SF6. Thereby a high quality membrane could possess low ideal selectivities. This finding was confirmed by comparing experimental data of several membranes with varying thickness. The correlation between multi component separation data and commonly used quality criteria was investigated. It was found that commonly used single gas permeation quotients (ideal selectivity) between light inorganic gases, especially those containing sulphurhexaflouride (SF6), is less appropriate for membrane quality measurement. The porosimetry experiment showed on the other hand a good agreement between experimental data and separation performance of the membranes, as expected. ZSM-5 membranes with low aluminum content and silicalite-1 membranes with similar material properties, such as defect distribution and thickness were evaluated with multi component hydrocarbon isomers permeation. The ZSM-5 membrane had lower permeances and a slightly better butane isomer separation performance than the silicalite-1 membrane. The latter membrane showed a minimum in separation selectivity between two C6 isomers whereas the ZSM-5 membrane showed an almost constant selectivity, independent of temperature, but with lower permeances. ZSM-5 membranes with a high aluminum content catalyzed the formation of diethylether and ethylen at temperatures exceeding 150°C from a water/ethanol mixture. The membrane separated a mixture of C4 isomers with good performance at elevated temperatures. However these membranes suffered from temperature instability problems.<br>Godkänd; 2002; 20070224 (ysko)
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Conti, G. A. P. "Some aspects of process synthesis with emphasis on reactors and reactions." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234792.

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Two major, largely unknown, areas of process synthesis are explored in this dissertation, and procedures are proposed for the solving of problems within them. In each area, case studies are reported. The work on the first area results in the development of a general procedure for the efficient screening of alternative process routes. The procedure is applied to two examples of commodity chemicals: methyl methacrylate (MMA) and vinyl chloride monomer (VCM). By using suitable knowledge of organic chemistry, thermodynamics, kinetics, and costing, gradual screening of the process alternatives can be achieved from the earliest stages of conceptual design, with minimum calculation effort. The MMA example is concentrated on the selection of raw materials and of chemical routes; by following a number of heuristic and of rigorous rules, a list of prototype raw materials is rapidly developed. From this list it proves possible to create a reaction network connecting the selected raw materials with the target molecule, and 54 routes to MMA (including the two current commercial routes) were found to be of potential interest. Compared with the MMA case study, the VCM example moves further through the procedure to include pre-design capital costing; 14 reactions, resulting in 63 routes to VCM, are rapidly selected, and equilibrium and kinetics calculations reduce the number of promising VCM processes to 24. The operating conditions of the process reactors are also specified, and only three processes are eventually admitted to the final costing stage. 'Elementary plant sections', effecting only one reaction each, are costed separately for the three remaining processes, and it is shown that the three most promising processes can be analysed by joining together the 'sections' relevant to each process. The costing estimates are found to agree well with current practice. Furthermore, a graphical approach is devised to give quick estimates of product selling prices for a wide range of plant capacities and raw materials costs. The second major area of process synthesis considered is the synthesis of reactor networks integrated with the rest of the flowsheet. The complex reaction scheme by Van de Vusse (1964) was employed as an example in a pioneering study. A new procedural approach, which uses a hierarchy of three heuristics, is implemented. In this approach, the designer first devises a simple base case, and then methodically increases its complexity. A powerful analytical tool used is to target for maximum reactor system selectivity, in contrast with the target of maximum reactor yield proposed by previous workers. The dissertation ends with an example illustrating the scope for heat and power integration techniques in the later stages of the design of a flowsheet. A computerised model of a pressurised sulphuric acid plant is developed, and a number of suggestions are made for the improvement of a commercial process, leading to an increase of 15% in steam production.
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Dunn, Austin J. "Simulation and optimisation of industrial steam reformers. Development of models for both primary and secondary steam reformers and implementation of optimisation to improve both the performance of existing equipment and the design of future equipment." Thesis, University of Bradford, 2004. http://hdl.handle.net/10454/4403.

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Traditionally the reactor is recognised as the `heart' of a chemical process system and hence the focus on this part of the system is usually quite detailed. Steam reforming, however, due to the `building block' nature of its reaction products is unusual and generally is perceived as a `utility' to other reaction processes and hence the focus is drawn " towards the 'main' reaction processes of the system. Additionally as a `mature' process, steam reforming is often treated as sufficiently defined for the requirements within the overall chemical process. For both primary and secondary steam reformers several models of varying complexity were developed which allowed assessment of issues raised about previous models and model improvements; drawing on the advancements in modelling that have not only allowed the possibility of increasing the scope of simulations but also increased confidence in the simulation results. Despite the complex nature of the steam reforming systems, a surprisingly simplistic model is demonstrated to perform well, however, to improve on existing designs and maximise the capability of current designs it is shown that more complex models are required. After model development the natural course is to optimisation. This is a powerful tool which must be used carefully as significant issues remain around its employment. Despite the remaining concerns, some simple optimisation cases showed the potential of the models developed in this work and although not exhaustive demonstrated the benefits of optimisation.
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Books on the topic "Chemical process modelling"

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Luyben, William L. Process modelling, simulation and control for chemical engineers. McGraw, 1990.

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Mikleš, Ján. Process modelling, identification, and control. Slovak Technical University Press, 2000.

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Holger, Löwe, and Hardt Steffen 1966-, eds. Chemical micro process engineering: Fundamentals, modelling, and reactions. Wiley-VCH, 2004.

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Wakeman, Richard J. Filtration: Equipment selection, modelling and process simulation. Elsevier Advanced Technology, 1999.

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Oyebande, B. O. Neural network modelling and its application to a wet end chemical process in paper making. UMIST, 1994.

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Mathematical modelling of chemical processes. Mir Publishers, 1991.

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Applied parameter estimation for chemical engineers. Marcel Dekker, 2001.

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Beyreuther, Roland. Dynamics of fibre formation and processing: Modelling and application in fibre and textile industry. Springer, 2007.

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Editor), George Stephanopoulos (Series, and John Perkins (Series Editor), eds. Process Modelling and Model Analysis (Process Systems Engineering). Academic Press, 2001.

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Cameron, Ian T., and Katalin Hangos. Process Modelling and Model Analysis (Process Systems Engineering). Academic Press, 2001.

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Book chapters on the topic "Chemical process modelling"

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Corriou, Jean-Pierre. "Dynamic Modelling of Chemical Processes." In Process Control. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61143-3_1.

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Corriou, Jean-Pierre. "Dynamic Modelling of Chemical Processes." In Process Control. Springer London, 2004. http://dx.doi.org/10.1007/978-1-4471-3848-8_1.

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Shardt, Yuri A. W. "Modelling Stochastic Processes with Time Series Analysis." In Statistics for Chemical and Process Engineers. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21509-9_5.

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Shardt, Yuri A. W. "Modelling Dynamic Processes Using System Identification Methods." In Statistics for Chemical and Process Engineers. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21509-9_6.

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Thoma, Jean, and Belkacem Ould Bouamama. "Bond Graph and Process Engineering." In Modelling and Simulation in Thermal and Chemical Engineering. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04181-9_4.

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Miller, J. A., and P. Glarborg. "Modelling the Formation of N2O and NO2 in the Thermal De-NOx Process." In Gas Phase Chemical Reaction Systems. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-80299-7_25.

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Rasid, Ruwaida A., Peter J. Heggs, Kevin J. Hughes, and Mohamed Pourkashanian. "Process Modelling of Entrained Flow Gasification." In Computer Aided Chemical Engineering. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-444-54298-4.50131-8.

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Savkovic-Stevanovic, Jelenka. "Process plant risk analysis and modelling." In Computer Aided Chemical Engineering. Elsevier, 2007. http://dx.doi.org/10.1016/s1570-7946(07)80229-x.

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"Modelling within chemical and process technologies." In Spray Simulation. Cambridge University Press, 2004. http://dx.doi.org/10.1017/cbo9780511536649.005.

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Modigell, M., A. Traebert, P. Monheim, S. Petersen, and U. Pickartz. "Process modelling of metallurgical processes — software tool and modelling concept." In Computer Aided Chemical Engineering. Elsevier, 2000. http://dx.doi.org/10.1016/s1570-7946(00)80097-8.

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Conference papers on the topic "Chemical process modelling"

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A. Onazi, Sagheer. "Modelling of Enzymatic Surface Reactions." In Annual International Conference on Chemistry, Chemical Engineering and Chemical Process. Global Science & Technology Forum (GSTF), 2015. http://dx.doi.org/10.5176/2301-3761_ccecp15.12.

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Valbahs, Edvards, Ilo Dreyer, and Peter Grabusts. "Path Planning and Process Modelling for Chemical Engineering." In The 5th International Virtual Scientific Conference. Publishing Society, 2016. http://dx.doi.org/10.18638/ictic.2016.5.1.273.

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Valbahs, Edvards, Ilo Dreyer, and Peter Grabusts. "Path Planning for Process Modelling in Chemical Engineering." In 2014 UKSim-AMSS 16th International Conference on Modelling and Simulation (UKSim). IEEE, 2014. http://dx.doi.org/10.1109/uksim.2014.18.

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Valbahs, Edvards, Ilo Dreyer, and Peter Grabusts. "Using Path Planning for Process Modelling in Chemical Industry." In The 5th Electronic International Interdisciplinary Conference. Publishing Society, 2016. http://dx.doi.org/10.18638/eiic.2016.5.1.512.

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Śmieja, Michał, Patrycjusz Bogdański, and Kamil Czerwiński. "Modelling of pasteurization process line in dairy industry in context of process control." In 2ND INTERNATIONAL CONFERENCE ON CHEMISTRY, CHEMICAL PROCESS AND ENGINEERING (IC3PE). Author(s), 2018. http://dx.doi.org/10.1063/1.5066536.

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Nugraha, Jaka, and Welly Nur Armawati. "Modelling on human immunodeficiency virus case using Poisson bivariate regression." In 2ND INTERNATIONAL CONFERENCE ON CHEMISTRY, CHEMICAL PROCESS AND ENGINEERING (IC3PE). Author(s), 2018. http://dx.doi.org/10.1063/1.5065060.

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Karthik, C., and M. Senthilkumar. "Intelligent based modelling, control and fault detection of chemical process." In 2010 IEEE International Conference on Communication Control and Computing Technologies (ICCCCT). IEEE, 2010. http://dx.doi.org/10.1109/icccct.2010.5670574.

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Dao, Tran Trong, and Ivan Zelinka. "Investigation On Optimization Of Process Parameters And Chemical Reactor Geometry By Evolutionary Algorithms." In 23rd European Conference on Modelling and Simulation. ECMS, 2009. http://dx.doi.org/10.7148/2009-0084-0092.

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Veldandi, Pavan Kumar, V. Ramesh Kumar, and Chintha Sailu. "A method for modelling variable speed compressor in chemical process simulators." In 2017 International Conference on Innovative Mechanisms for Industry Applications (ICIMIA). IEEE, 2017. http://dx.doi.org/10.1109/icimia.2017.7975602.

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Kowol, Paweł. "Equivalent circuit vs. finite element method approach in designing and modelling of magnetorheological clutch." In 2ND INTERNATIONAL CONFERENCE ON CHEMISTRY, CHEMICAL PROCESS AND ENGINEERING (IC3PE). Author(s), 2018. http://dx.doi.org/10.1063/1.5066493.

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Reports on the topic "Chemical process modelling"

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Chen, Xiao, Jaisree Iyer, and Susan Carroll. Dynamic reduced order modelling (ROM) of chemical and mechanical processes in CO2-cement systems. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1476178.

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