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Behdani, B. (author), Moghim, Ali (author), Mousavi, Sheyda (author), Soltanfar, Mostafa (author), Hojabri, Mojgan (author)With the ongoing expansion and interconnection of electrical power systems, alongside the rapid proliferation of renewable distributed generations (DGs), the short-circuit extent in the power grid is experiencing a significant rise. Fault current limiters (FCLs) have been introduced in an effort to address this issue, ensuring the robustness and...journal article 2024
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Tang, Zhuorui (author), Gu, Lin (author), Jin, Lei (author), Dai, Kefeng (author), Mao, Chaobin (author), Wu, Sanzhong (author), Zhang, Rongwei (author), Yang, Jinsong (author), Zhang, Kouchi (author)In this work, 4H-SiC homoepitaxial layers were grown on 4°off-axis substrates at different susceptor rotation speeds by using a hot-wall horizontal CVD reactor. The effect of different susceptor rotation speed on the quality of 4H-SiC epitaxial layers in terms of thickness, thickness uniformity, crystallinity, surface morphology and...journal article 2024
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Nouri, Amir (author), Zinatizadeh, Ali Akbar (author), Zinadini, Sirus (author), van Loosdrecht, Mark C.M. (author)This study focuses on the development of an air-lift bio-electrochemical reactor (ALBER) with a continuous feeding regime. The objective is to enhance nitrogen removal from synthetic wastewater with a low carbon-to-nitrogen (C/N) ratio. The chemical oxygen demand (COD) and total nitrogen (TN) of the influent wastewater were 500 and 200 mg/L,...journal article 2024
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Afreen, G. (author), Bansode, Atul (author), Wada, Kazuhito (author), Hirano, Makoto (author), Matsuda, Hirokazu (author), Urakawa, A. (author)Multiphasic reaction of bicarbonate hydrogenation to form formate using homogeneous Ru PNP pincer catalyst in a continuous flow tubular reactor is reported. The reaction system consists of three phases. Catalyst is dissolved in toluene while potassium bicarbonate is dissolved in water. The significance of efficient mixing among the organic...journal article 2024
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van der Sande, P.C. (author), Wagner, E.C. (author), de Mooij, Jack (author), Meesters, G.M.H. (author), van Ommen, J.R. (author)Horizontal stirred bed reactors are widely used in the commercial manufacturing of polypropylene. However, a comprehensive understanding of the particle dynamics in horizontal stirred bed reactors remains elusive, primarily due to the lack of detailed experimental data. In this work, we studied the influence of operating parameters on the...journal article 2024
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Heidary, Amir (author), Ghaffarian Niasar, M. (author), Popov, M. (author)The rapid increase of integrated distributed generators results in higher fault currents in the future modern grids. A remedy for the concern is employing series reactors as fault current limiters. This paper elaborates on a ferromagnetic core series reactor, which, when saturated, adversely affects the operation of the series reactor during...journal article 2024
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Leurs, Zeno (author)This thesis delves into the intricate process of formulating an answer to the pivotal research question: <br/><br/>"What are the design characteristics of an economic high speed nuclear container vessel?" <br/><br/>The report systematically unfolds in six chapters, primarily focusing on a comprehensive literature study. <br/><br/>The exploration...master thesis 2023
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Freitas, André (author)In the evolving landscape of nuclear energy, ensuring the safety and efficiency of nuclear reactors remains paramount, particularly with the increasing demands for energy and a concurrent rise in global temperatures. A significant aspect of nuclear safety involves maintaining the integrity of the fuel rods, which are susceptible to Turbulence...master thesis 2023
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Hoeksma, Bram (author)Currently, our society faces a pressing challenge: global warming. The solution lies in the energy transition, which replaces fossil fuels with clean sources. This requires a global effort across all sectors, including shipping. While a significant portion of shipping relies on polluting fuels, the European Union’s Green Deal aims for climate...master thesis 2023
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Yañez Diaz, Daniel (author)Hydrogen has emerged as a promising candidate for energy storage, offering an alternative to fossil fuels as a primary fuel source. It can be safely stored in a liquid organic hydrogen carrier (LOHC) and recovered upon demand through the reversible hydrogenation/dehydrogenation of the LOHC. Voyex, a technology-driven startup, is developing a...master thesis 2023
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Van der Meer, Jochem (author)Combustion is and remains for the foreseeable future an essential chemical process. The physical and mathematical modelling of such processes can help to optimise the design and operation of combustion furnaces which is critical for fuel efficiency. Given the combined complexity and interaction of the gas flow dynamics and the reaction processes...bachelor thesis 2023
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Waling, Loulotte (author)In recent years, biotechnological processes have gained increased interest due to their potential for high-value compound production and waste recycling. This shift towards biotechnology is driven by global challenges such as food security, climate change, and the transition to renewable resources. To address the limitations of large-scale...master thesis 2023
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Patibandla, Akul Sai (author)There is an increase in the amount of CO2 emissions in the past few decades and the process of capturing it back is at a much lower rate. The need of the hour is to reduce the emission rate or even avoid producing them in certain aspects. There is a transition towards renewable energy sources<br/>that could help us maintain the balance required....master thesis 2023
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Bohnenn, Sylvie (author)Computational power is a challenge when it comes to the high-fidelity modeling of nuclear reactors. Detailed simulations of reactor physics involve complex calculations that require significant computing resources, which can be time-consuming and expensive. Reduced Order Modeling (ROM) allows for an approximation of a complex model by only...master thesis 2023
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van Dijk, Chris (author)The Molten Salt Fast Reactor (MSFR) is a next generation nuclear reactor. The MSFR may play an important role in combatting global warming whilst ensuring energy safety considering fossil fuels’ finiteness. A key safety mechanism for the MSFR is the freeze plug, a valve underneath the reactor core designed to melt during reactor malfunction,...master thesis 2023
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Liu, Minghui (author), Wang, Ju (author), Peng, Z. (author)To investigate energy-saving approaches in wastewater treatment plants and decrease aeration energy consumption, this study successfully established a floc-granule coexistence system in a sequencing batch airlift reactor (SBAR) employing micro-bubble aeration. The analysis focused on granule formation and pollutant removal under various...journal article 2023
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Stradomska, Dominika (author), Świętochowska, Daria (author), Kubica, Robert (author), Hanefeld, U. (author), Szymańska, Katarzyna (author)Effectiveness of catalytic processes using heterogeneous biocatalysts depends not only on the activity of the enzyme, but also on the efficiency of the used reactor. In this paper, we present a novel design of a basket reactor with a stationary catalyst bed (StatBioChem). The developed design was compared to a commercially available rotating...journal article 2023
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Morrison, A.R.T. (author), Girichandran, N. (author), Wols, Quincy (author), Kortlever, R. (author)Abstract: The electrochemical CO<sub>2</sub> reduction reaction (CO<sub>2</sub>RR) has been proposed as a sustainable way of closing the carbon cycle while synthesizing useful commodity chemicals. One of the possible routes to scale up the process is the elevated pressure CO<sub>2</sub>RR, as this increases the concentration of the poorly...journal article 2023
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Deng, Z. (author), Muñoz Sierra, Julian (author), Ferreira, Ana Lucia Morgado (author), Cerqueda Garcia, D. (author), Spanjers, H. (author), van Lier, J.B. (author)Treating protein-rich wastewater using cost-effective and simple-structured single-stage reactors presents several challenges. In this study, we applied an anaerobic sequencing batch reactor (AnSBR) to treat protein-rich wastewater from a slaughterhouse. We focused on identifying the key factors influencing the removal of chemical oxygen...journal article 2023
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Tosolin, A. (author), Vigier, J. F. (author), Mastromarino, S. (author), Konings, R. J.M. (author), Luzzi, L. (author), Beneš, O. (author)Phase equilibria in the ThF<sub>4</sub>-PuF<sub>3</sub> system were measured by differential scanning calorimetry. Samples were encapsulated to prevent leakage during the measurements and to prevent fluoride contamination of the instrument. Formation of intermediate compounds and solid solutions was investigated by X-ray diffraction. A...journal article 2023