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Glasbeek, Arnoud (author)
In agricultural studies it is often important to predict the performance of genetically different plants. To make sure predictions are done well, it is necessary to make sure they are not influenced by effects of the field on which they are planted. These field effects or spatial effects are in practice often quite complicated and can be due to...
bachelor thesis 2022
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de Bruin, Lisette (author)
After decades of urban growth, mass transport, including buses, will play a significant role in our daily life. Therefore the requirements for buses and their bus door system are increasing. Ventura Systems is a company that is specialized in bus door systems and wishes to gain knowledge on their bus door system using mathematical modeling. This...
bachelor thesis 2022
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van Dijk, Max (author)
The energy transition will significantly impact distribution transformers as they will have to deal with more load on them, which is also more variable due to renewable energy sources. However, currently, these transformers are often not monitored with sensors. Therefore, the Dutch network operator Stedin asked to investigate the possibilities...
master thesis 2022
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Sutar, Pratik (author)
In the present era of environment-friendly and clean combustion systems, there is an increasing demand for fast and accurate tools for emission predictions. The best choice is the CFD-CRN method which is a combination of computational fluid dynamics (CFD) and chemical reactor network (CRN) for decoupled simulation of fluid flow and detailed...
master thesis 2021
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Hendriks, Leo (author)
This essay shows a two dimensional implementation of the finite element method for the Westervelt equation. To do this the finite element method is first applied to the linear wave equation, then to non-linear diffusion and finally to the Westervelt equation. Both an element by element and a faster vectorized implementation are given for the...
bachelor thesis 2021
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de Munnik, Hans (author)
Heat transfer by radiation is something you experience everyday: when walking outside in the sun or when cooking your diner. This thesis provides understandable models of the role that radiation plays in the transfer of heat. By studying literature we developed a mathematical basis for the heat transfer model, where we discuss diffusive,...
bachelor thesis 2021
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Bhatraju, Chaitanya (author)
Aluchemie produces anodes for the Aluminium industry and is the largest stand-alone anode factory in the world. Anode baking process The anode baking process is one of the crucial steps in the production of anodes for the aluminium industry. It improves the strength, conductivity of the anode and reduces reactivity during electrolysis. Efficient...
student report 2021
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Zhu, Bowen S. (author)
The chemical reactor network (CRN) approach is a practical tool for precisely predicting the species concentration in combustion processes with low computational cost. This work examines the capability of the emerging Julia programming language and its ecosystem in solving large CRNs. The packages DifferentialEquations.jl and ModelingToolkit.jl...
bachelor thesis 2021
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Jonker, Stan (author)
This thesis covers the power load flow problem and three numerical methods which can be used as a solution. We firstly discuss the concepts from electrical engineering required to discribe the problem. This includes alternating current and voltage and admittances of various electrical elements. We then use these concepts to derive a set of...
bachelor thesis 2020
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Mast, G.L. (author)
This thesis produces a pre-characterization numerical model capable of handling and calculating electromagnetic fields within a rectangular reverberation chamber near its lowest usablefrequency at 200 MHz. As reverberation chambers strive to have high electric field uniformityto meet field uniformity standards, high electric fields, having the...
bachelor thesis 2020
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Babu Gheethaa, Mukkund (author)
A high-resolution hydrological solver that solves on time-adaptive grids is created. The solver uses h-refinement strategies which adapts the resolution of the grid using a posteriori measure. It is based on an open-source scientific computing library named PETSc. With the use of highly scalable time-stepping solvers provided by PETSc, an...
master thesis 2020
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Holster, Jori (author)
Decreasing NOx emissions is becoming increasingly important as it has many lifechanging implications on humanity and nature. In this work several models were constructed to simulate the combustion of methane in a cement rotary kiln, and it was investigated whether oxygen-enhanced combustion leads to less NO<sub>x</sub> production for the...
bachelor thesis 2020
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van der Linden, Lieke (author)
In this work, the parareal algorithm is analysed and executed on the model for combustion of methane. The parareal algorithm is designed to generate an approximation to an initial value problem faster than a serial numerical time-integration method by using two propagators, the coarse propagator and the fine propagator. With the use of two...
bachelor thesis 2020
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Aimambet, Narken (author)
Anode baking is a huge part of the Aluminum industry. The quality and characteristics of the anode blocks will be formed in the anode baking furnaces. The process itself is very expensive, time consuming and ecologically unfriendly. From the other hand, anode baking process can use its own waste as a secondary fuel source. Here, by waste we mean...
master thesis 2019
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Aviles Cedeño, Jonathan (author)
The calculation of power flow through electrical networks has been utilized commonly in transmission networks as the first calculation tool to assess their steady state conditions. However, the current introduction of renewable micro-sources (many of them single-phase connected) and the implementation of microgrids makes the calculation of power...
master thesis 2017
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Dimas Ramadhan Abdillah Fikri, Dimas (author)
In this master thesis a CFD model targetting the combustion in cement kilns is developed. The model is implemented in OpenFoam
master thesis 2017
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Vaal, E. (author)
Astrophysical photons with a sub-millimetre wavelength are of great value to research star and galaxy formation. Superconductors have a small energy gap with which these sub-millimetre photons can be measured. Superconductors can absorb photons so that quasiparticles are created, which will in turn change the complex conductivity: incoming...
bachelor thesis 2016
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Saad, S. (author)
bachelor thesis 2015
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Kadar, A.H. (author)
Measuring the temperature distribution inside the rotary kilns, using thermocouples for instance has proven to be difficult due to the harsh operating conditions of the kiln. Numerical modelling of turbulent combustion and the associated physical phenomenon thus proves to be an indispensable tool towards predicting the kiln operating conditions....
master thesis 2015
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Dirkse, B. (author)
In this thesis we researched the applicability, properties and efficiency of the finite element method to solve the one-dimensional Westervelt equation, which describes nonlinear plane wave propagation. The goal was to investigate whether this lesser-known solution method has advantages or disadvantages compared to more commonly used solution...
bachelor thesis 2014
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