Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"Process Simulator"”.
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The cooling of a pultrusion process simulator
… modeling was done to analyze the thermal processes, focusing on the cooling rates, that occurred in a simulated representation of a composite material manufacturing process. The simulation apparatus was constructed similar to that of a compression molding device to represent the thermal …
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Simultaneous optimization of a chemical process, its heat exchanger network, and the utility system using a process simulator
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1994.
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Dynamic simulation of brown stock washers and bleach plants
Dynamic process simulators of brown stock washers and multistage bleach plants were developed for process control. SIMNON, a dynamic simulation language, was employed as a platform for constructing the simulators. The washing process simulator was used to investigate dynamic behavior of a …
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MANAGING CRYOGENIC ENERGY FLUID STORAGE AND TRANSFER OPERATIONS
… existing CFD models in literature and commercial simulators, delivering rapid and comprehensive results. Our model is integrated into a dashboard tool that utilizes real operational data to predict visual profiles of variables like liquid level, temperature, pressure, and composition in cryogenic …
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Fault Detection and Diagnosis for Large -Scale Systems
Implementing an effective process monitoring algorithm is essential in minimizing downtime, increasing the safety of plant operations, and reducing manufacturing costs. Data-driven techniques based on multivariate statistics such as principal component analysis and partial least squares have been …
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Aplicação de controle preditivo não linear multivariável com otimizador à operação transiente de turbina a gás
… is modeled with the aid of a first principle process simulator, which solves the mass and energy balances and the equations of state and shaft transient. In addition to speed and temperature control, the control strategy is applied to minimize fuel consumption and pollutant emissions. The …
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Design of control systems based on Q(Youla)-parmetrization
… to the design of a control law for a FLOTATION PROCESS SIMULATOR RIG(FLOTRIG) built by Mr Fisher[Fisher, 1988]. The design of the Multivariable controller was based on a Transfer Function Matrix, G(s), which is a Linear Time Invariant(LTI) model of the FLOTRIG.
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Development and applications of novel optimal control algorithms
… on one hand for its implementation in the process industry and, on the other hand, as a novel nonlinear optimal control algorithm. The main feature of the technique is that it has been designed so as to achieve the correct optimum of the process in spite of inaccuracies in the mathematical …
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Simulation of implantation and diffusion processes for electro-thermal microcantilevers
… We used a two-dimensional model to simulate the process steps for doping different regions of the electro-thermal probe using DIOS, a multidimensional process simulator in the TCAD suite. Each cantilever probe consists of three legs – two of the legs are heavily doped to carry electrical current, …
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Index and characteristic analysis of partial differential equations
Technologies for dynamic simulation of chemical process flowsheets, as implemented in equation-based dynamic simulators,allow solution of fairly sophisticated process models, that include detailed descriptions of physical phenomena along with operating policies and discrete events. Simulation of …
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Modeling and flight testing of differential thrust and thrust vectoring on a small UAV
… experiments. This thesis outlines the modeling process, simulator development, design, and implementation of a propulsion assisted control system for the WVU Flight Control Systems Lab (FCSL) research aircraft. Differential thrust and thrust vectoring introduce additional propulsive terms in the …
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Monitoring and control for NGL recovery plant
… of monitoring and controlling the fractionation process. NGLs are the C2+ hydrocarbon fraction contained in natural gas, which includes useful feedstocks for industrial production processes. Since NGLs have greater economic value compared to natural gas, their recovery has become increasingly …
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Integrating Value Stream Mapping and Simulation
… (VSM) can be helpful in understanding how process flow and information flow affect each other. A VSM is a static picture of a process that allows the user to see where value is added into the value stream. Simulation is used to evaluate the behavioral issues of processes. In a manufacturing …
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A Decision Support System for Indirect Potable Reuse Based on Integrated Modeling
… the effluent nitrates using an intelligent process simulator called IViewOps. The platform is powered by URUNME, a new software that fully automates the operation of the reservoir and process models integrating forecasting products, and data sources. URUNME was developed in C#.NET to provide …
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Development of A Cascade Adsorption Process For Rapid Xenon Concentration From Air For Nuclear Proliferation Monitoring
… (NSD-PNNL) has been initiated to develop a process that exploits using pressure swing adsorption (PSA) principles for rapid xenon concentration from air and analysis for use in nuclear proliferation monitoring. The primary scope of this effort is to provide mathematical modeling support and …
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Design And Optimization Of Organic Rankine Cycle For Low Temperature Geothermal Power Plant
… economics.</p> <p>ORC model was developed using process simulator and validated with the data obtained from Chena Hot Springs, Alaska. A correlation was observed between the critical temperature of the working fluid and the efficiency for the cycle. Exergy analysis of the cycle revealed that the …
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Cycle Scheduling and Design of Pressure Swing Adsorption (Psa) Cycles For Carbon Dioxide Capture From Flue Gas
… results obtained while developing a viable PSA process for CO2 capture, based on experiments and process modeling.</p> <p>Most commercial PSA processes employ multiple beds that operate simultaneously. Each bed undergoes a series of cycle steps in order. During a cycle step, either a bed …