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Bunikyte, Ugne (author)
To face the ongoing climate crisis, the Dutch government adopted a number of policies and measures to limit its greenhouse gas emissions. It is estimated that 10% of Dutch annual emissions are caused by the built environment, a large portion of which come from two sources: space heating and domestic hot water.<br/>The use of heat pumps is said...
master thesis 2022
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Molahalli, Pranav (author)
Due to the global energy crisis, there is a growing need to make industrial processes more efficient and clean. One such method is to use effective and renewable working fluids in power and refrigeration cycles. Research in this field during the past decade has placed supercritical CO2 (SCO2) in the forefront due to its non-ideal properties and...
master thesis 2022
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Herweijer, Lex (author)
In response to climate change, the marine sector is increasingly focused on the energy transition. New marine power plants operating more efficiently and on cleaner fuels are receiving significantly more attention. While the transition to different power plants and fuels results in reduced fossil fuel consumption and emissions, waste heat...
master thesis 2022
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Jacoby, Konstantin (author)
master thesis 2022
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Kakkar, Samarth (author)
The main objective of this thesis was to explore the capabilities of neural networks in terms of representing governing differential equations, primarily in the purview of fluid/aero dynamic flows. The governing differential equations were accommodated within the loss functions for training the neural networks, thereby making them 'physics...
master thesis 2022
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Lippmann, Philip (author)
The continued development of improved algorithms and architecture for numerical simulations is at the core of increased computational performance and, therefore, the ability to perform more complex and precise numerical simulations in less time in areas such as Computational Fluid Dynamics. Employing faster algorithms on more efficient...
master thesis 2022
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Hariharan, Gayathri (author)
Organic Rankine Cycle systems are gaining increasing attention as a modular, cost-effective and decentralised thermal energy recovery solution. The design of an efficient expander in the ORC system is crucial to its rapid uptake by the industry. Compared to volumetric expanders, a radial turbine provides advantages in terms of flexibility and...
master thesis 2021
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van der Vries, André (author)
The global warming and increase in energy use demands the industry to come up with ideas to lower the CO<sub>2</sub> production and save valuable energy. Organic Rankine cycles have a great potential as low grade heat can be converted into electrical energy. In the last ten years, research in this particular field has increased together with the...
master thesis 2021
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DONEPUDI, TEJA (author)
Experiments to characterise vortices in hyperbolic shaped funnels are being conducted at the Water Application Centre (WAC) in Wetsus. These have demonstrated their higher gas transfer rates in comparison to the conventional aeration systems presently in use. Depending on the imposed flow conditions, different regimes of...
master thesis 2021
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Hasan, Asif Manzoor (author)
Over the past decades, engineers have focused on a common goal - to reduce emissions by making industrial processes more efficient and by utilizing renewable energy sources. One possibility to reach this goal can be achieved by employing processes with non-ideal fluids, such as fluids at supercritical conditions in refrigeration, heat pump...
master thesis 2021
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Christofi, Marios (author)
The process in which a smooth laminar flow transits to a chaotic to a chaotic, turbulent state, is a topic of particular interest in the sectors of energy technology and aerodynamics. To study the different paths that can be followed during the transition process, various tools and methods have been developed. A preliminary investigation of the...
master thesis 2021
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Penmathsa, Akhil (author)
Flame flashback is a failure mode in the operation of lean premixed combustion system. Due to higher flame speeds and lower quenching distances, hydrogen-rich fuel mixtures are prone to boundary layer flashback (BLF), where mixture flow speeds are low compared to the local flow velocity. Research at TU Munich (Eichler 2011) has resulted in new...
master thesis 2021
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Steijger, C.A.N. (author)
Heat transfer via thermal radiation is a common occurrence in industry; be it in flue gas, boilers, reactors, or in supersonic combustor such as in a scramjet propulsion. <br/>Numerous studies have been done regarding the phenomena interacting with thermal radiation in different types of turbulent flows. <br/><br/>For compressible flows the...
master thesis 2020
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Mandyam Chakravarthy, Akshar (author)
Laminar-turbulent transition (LTT) is the process through which smooth laminar flow transits into chaotic turbulent flow. Investigation of the paths taken to transit into turbulence is a front-runner among other methods followed to characterise turbulent flows. This is of particular importance in aerospace and energy industries for the design of...
master thesis 2018
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Diez Sanhueza, Rafael (author)
Turbulence modelling corresponds to one of the greatest unsolved problems in physics and mathematics. This phenomenon is marked by the emergence of chaotic vortex structures in the solution of the Navier-Stokes equations, and it corresponds to the leading-order effect in the majority of the flows observed in nature. Due to the importance of...
master thesis 2018
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Postma, T.M. (author)
A solar powered micro gas turbine is a new technique which is currently under development. Although promising, a turbocharger as replacement for a micro gas turbine could provide a simple, compact and low cost alternative. Therefore this research focusses on the energetic and technical performance expectations of a turbocharger based solar micro...
master thesis 2016
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Spazzoli, S. (author)
Supercritical CO2 (s-CO2) Brayton cycle is indicated as one of the possible substitutes of the traditional steam cycle, that is currently used to produce the biggest share of electricity. Specifically, one of main candidates is the Brayton recompression cycle, that has been investigated for a wide range of operating conditions. This work is...
master thesis 2016
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Kumar, N. (author)
A comprehensive understanding of the stability of shear flows is a fundamental problem in fluid mechanics and it has been a subject of both theoretical and practical interest in engineering research. A key aspect of these dynamic flows is the behaviour exhibited by the instabilities as it evolves from initial small perturbations of an...
master thesis 2016
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Dankerlui, P.R. (author)
Ocean Thermal Energy Conversion (OTEC) is a baseload renewable energy technology capable of converting the vast solar heat stored in the world’s oceans into useful electricity. Reducing the cost of electricity generation is the key for successful commercial breakthrough. This can be achieved by reducing plant capital cost and by improving...
master thesis 2016
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Anand, N. (author)
master thesis 2016
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