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Zwaginga, J.J. (author), Lagemann, Benjamin (author), Erikstad, Stein Ove (author), Pruyn, J.F.J. (author)Shipowners need to prepare for low-emission fuel alternatives to meet the IMO 2050 goals. This is a complex problem due to conflicting objectives and a high degree of uncertainty. To help navigate this problem, this paper investigates how methods that take uncertainty into account, like robust optimization and stochastic optimization, could be...journal article 2024
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't Hart, Pieter (author), Pruyn, J.F.J. (author), Ferrari, Felipe (author)Many fuels are currently considered for reducing the emissions in shipping; Methanol, LNG, Ammonia, Nuclear, Biodiesel, etc. However, Bio-ethanol is not considered at all.This research looked into all aspects of ethanol in a comparison with its most closely related alternative methanol. Using a similar approach as found in earlier comparisons....report 2023
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Kirichek, Alex (author), Pruyn, J.F.J. (author), Atasoy, B. (author), Negenborn, R.R. (author), Zuidwijk, R. (author), van Duin, Ron (author), Tachi, K. (author), van Koningsveld, M. (author)Several measures have been developed to prevent emissions from inland water transportation. However, it is challenging to weigh all the aspects to identify the pathway that will ultimately result in zero-emission inland shipping. A data-driven virtual representation of the inland shipping system can be used to evaluate zero-emission strategies,...conference paper 2023
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Blokland, M. (author), van der Mei, R. D. (author), Pruyn, J.F.J. (author), Berkhout, J. (author)Piping systems are common in many architectures and designing such systems is often a complex task. Design automation of piping systems is therefore a universal research subject. Nonetheless, these piping systems are often still designed by hand as a result of their complexity. Consequently, costs associated with piping design are high,...journal article 2023
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Souflis-Rigas, A.S.R. (author), Pruyn, J.F.J. (author), Kana, A.A. (author)The adoption of alternative energy carriers is one of the key ways to meet the increasingly stricter emission regulations faced by shipping vessels from the international maritime organisation (IMO) and European Commission. To support this objective, this study examines the challenges and uncertainties associated with implementing a methanol...conference paper 2023
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van der Beek, T. (author), Souravlias, D. (author), van Essen, J.T. (author), Pruyn, J.F.J. (author), Aardal, K.I. (author)The resource constrained project scheduling problem with a flexible project structure and consumption and production of resources, involves making a selection of activities and scheduling these activities in order to minimize the makespan, subject to precedence and resource constraints. Since finding a feasible selection of activities is NP...journal article 2023
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Kougiatsos, N. (author), Zwaginga, J.J. (author), Pruyn, J.F.J. (author), Reppa, V. (author)To integrate and assist the system and automation design phases of complex marine vessels, this paper proposes a two-level semantically enhanced scheme. At the design level, the system components are described and automatically connected by a developed graph-making tool using semantic 'knowledge'. Decisions regarding the system selection are...conference paper 2023
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Pruyn, J.F.J. (author)With the current curriculum developed and implemented in phases since 2013, it is time to evaluate and review the BSc curriculum. For this revision, the success and issues of the previous revision, the changes in our field and society, and the recent insights from educational studies are all reviewed to form the basis of this update. Current...journal article 2023
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Pruyn, J.F.J. (author)In search of a way to bring back the positive aspects of an internship into the curriculum, TU Delft identified serious games as a potential solution. The literature studied showed that games could increase motivation and understanding, leading to improve knowledge retention. This paper has brought these insights together in a framework...journal article 2023
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Buirma, M.I.M.J. (author), Vleugel, J (author), Pruyn, J.F.J. (author), Doedee, Vincent (author), Schott, D.L. (author)The International Maritime Organisation (IMO) calls for the maritime industry to restrict its CO2 emissions by −40% (IMO2030) and −70% (IMO2050). This paper answered the following research question: “Which technical, economic and emissions-related conditions predominantly determine the feasibility of a conceptual supply chain of liquid CO2 that...journal article 2022
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Gartland, Nicolas (author), Pruyn, J.F.J. (author)The design and preliminary estimations of biomass supply chains are essential in matching energy supply to energy demand. This is especially true of novel/future fuels and technologies in large industries. In this paper, a Mixed Integer Linear Programming (MILP) model was formulated to represent biofuel supply chains across Europe for the...journal article 2022
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de Vos, J. (author), Pruyn, J.F.J. (author), Hekkenberg, R.G. (author)Autonomous ships have become a topic of interest for an increasing number of researchers over the last few years. Most of the research that is being performed focuses on autonomous navigation. An important driver for this research is the belief that autonomous navigation will increase safety at sea. In order to evaluate the possible safety...conference paper 2022
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Zwaginga, J.J. (author), Pruyn, J.F.J. (author)The maritime energy transition presents deep uncertainties that are difficult to deal with in the current ship design process. Even though other fields have stressed using adaptive strategies and explorative methods to deal with deep uncertainty, it is rarely included in ship design. Therefore, this paper compares three applicable methods to...conference paper 2022
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Pruyn, J.F.J. (author), van Hassel, E.B.H.J. (author)In this paper, the possibility of adding the North Sea Route (NSR) route to the Belt and Road Initiative (BRI) is researched whereby the main aim is to determine if it is possible to set up a container service via the NSR route that could attract cargo from the existing maritime routes via Suez and the land route. In order to make the...journal article 2022
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Stolper, Louis Cornelis (author), Bergsma, J.M. (author), Pruyn, J.F.J. (author)The energy transition of Dutch shipping is a complex gradual process due to the variety in vessels, cost and lifetime of assets, uncertainty, additional costs of climate-neutral alternatives and required regulatory changes. This paper aims to create a holistic overview of both the transition barriers and enablers. A focus is placed on the...journal article 2022
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van der Kroft, D.F.A. (author), Pruyn, J.F.J. (author)In this study, various scenarios were developed that correspond to estimations of future biomass availability and biofuel demand from the maritime industry. These marine biofuel demand scenarios were based on the Greenhouse Gas (GHG) reduction targets of the Renewable Energy Directive II (RED II) and the International Maritime Organization (IMO)...journal article 2021
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Bergsma, J.M. (author), Pruyn, J.F.J. (author), van de Kaa, G. (author)Energy transition is affecting the European maritime sector at an increasing rate. New technologies and regulations are being introduced with increasing speed. The ability to adapt to these changes is crucial for the economic success of the maritime sector. However, the sector is challenged by inertia due to its global nature and long-life...journal article 2021
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Verbeek, Ruud (author), 't Hart, Pieter (author), Pruyn, J.F.J. (author), Bergsma, Jurrit (author)A first exploration of potential fuels for the Dutch Maritime Sector that will allow the sector to achieve the energy transition goals of 2050. A first comparison on costs of the power plants and life time fuel is made. Including, accepting a mix of green and grey fuel sources. The output is of use for anyone in the sector interested in the...report 2020
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Pruyn, J.F.J. (author)The EEDI is one measure to identify the energy efficiency of a vessel. Besides EEDI there are many other aspects relevant when considering the energy efficiency quality of a vessel, most based on design insights. In this paper, a set of ten relevant indicators are identified to establish the performance of the vessel and pinpoint the source of...journal article 2020
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Pruyn, J.F.J. (author), Veldstra, T.J. (author), van Oers, Bart (author), Logtmeijer, Richard (author), Knegt, Sander (author), Van Driel, Willem Jan (author)Before designing a ship, the requirements for the ship are required. For innovative or complex technical ships, this is not instantly clear. In many cases, the expected operations of the ship need to be investigated first. Currently, this is often done on a ship-by-ship basis. However, a ship seldom operates alone, especially for technically...conference paper 2020
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