Searched for: department%3A%22Marine%255C+%2526%255C+Transport%255C+Technology%22
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Miedema, S.A. (author)
This book gives an overview of cutting theories. It starts with a generic model, which is valid for all types of soil (sand, clay and rock) after which the specifics of dry sand, water saturated sand, clay, rock and hyperbaric rock are covered. For each soil type small blade angles and large blade angles, resulting in a wedge in front of the...
book 2013
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Carmona Benitez, R.B. (author), Lodewijks, G. (author)
The deregulation and liberalization of the air transportation industry have developed three main passenger business models: full service carriers, low-cost carriers, and charter airlines. Deregulation removed regulated fares and routes increasing competition and yields. Airlines business models main objectives are to minimize operation costs and...
conference paper 2008
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Andrews, D.J. (author), Duchateau, E.A.E. (author), Gillespe, J.W. (author), Hopman, J.J. (author), Pawling, R.G. (author), Singer, D.J. (author)
conference paper 2012
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Carmona Benitez, R.B. (author), Lodewijiks, G. (author)
A mathematical model to estimate the average airlines operational costs and airports charges per route is important for airlines companies trying to open new routes and for data generation for other purpose such as transport modeling, simulation modeling, investment analyses for airlines and airports, etc. In this paper, a mathematical model is...
conference paper 2010
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Carmona Benitez, R.B. (author), Lodewijks, G. (author)
The fare estimation model proposed in this paper was set up by analyzing the domestic United States air transportation market 2005 year database. A division analyses into seven different studies is presented. There exists substantial fare dispersion in the airline transportation industry for the full-service carrier market whilst very little...
conference paper 2010
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Liu, J. (author), Quadvlieg, F. (author), Hekkenberg, R.G. (author)
The performance of a ship’s rudder largely determines its manoeuvrability, which includes turning ability, initial turning ability, yaw-checking ability and course-keeping ability. However, existing empirical formulas for rudder forces do not concern the rudder profile. This paper discusses the impacts of various rudder profiles on ship...
conference paper 2015
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Carmona Benitez, R.B. (author), Lodewijks, G. (author)
This paper examines the effects that low-cost carriers (LCC’s) produce when entering new routes operated only by full-service carriers (FSC’s) and routes operated by low-cost carriers in competition with full-service carriers. A mathematical model has been developed to determine what routes should be operated by a low-cost carrier with better...
conference paper 2010
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Carmona Benitez, R.B. (author), Lodewijks, G. (author)
Airports are very important for economic growth. The demand for airport capacity has been growing very fast and private companies are now also investing in airport infrastructure. Airports must however be regulated because they are natural monopolies with high market power. Airports have variables and factors that are vital for airline...
conference paper 2008
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Van Oers, B.J. (author)
Naval architects often say that every ship is a compromise between many conflicting requirements. This widely-held belief immediately raises the question as to what kind of ship and, therefore, what kind of compromise, would suit the ship owner’s interest best. The approach presented in this thesis aims to improve the early stage design process...
doctoral thesis 2011
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Pang, Y. (author)
Belt conveyors have been used worldwide in continuous material transport for about 250 years. Traditional inspection and monitoring of large-scale belt conveyors focus on individual critical components and response to catastrophic system failures. To prevent operational problems caused by the lack of experience of maintenance personnel, the...
doctoral thesis 2010
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Van Vianen, T.A. (author)
To meet the expected increase of seaborne trade flows for coal and iron ore dry bulk terminals need to be designed or expanded. A comprehensive design method for dry bulk terminals is missing. Designs are currently based on rules-of-thumb, practical experiences and average values for specific design criteria. In this research, additions to...
doctoral thesis 2015
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Nobel, A.J. (author)
In dredging practice jetting is widely used for the excavation of soil. In this study the jetting process of a moving vertical jet in cohesive soil has been investigated. A number of jet tests were conducted on artificially prepared cohesive soil samples. The observed failure mechanisms are discussed. A calculation model to predict the jet...
doctoral thesis 2013
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Wei, Y. (author)
The most important characteristics of the outfitting processes in shipbuilding are: 1. The processes involve many interferences between yard and different subcontractors. In recent years, the use of outsourcing and subcontracting has become a widespread strategy of western shipyards. There exists not only the vertical relationship between a yard...
doctoral thesis 2012
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Li, Z.R. (author)
Cavitation erosion is one of the remarkable catastrophic consequences of cavitation. Predicting the cavitation aggressiveness quantitatively and predicting the most probable location of cavitation erosion are complex problems that currently still motivate an important amount of basic and applied research in the fields of hydrodynamics, physics...
doctoral thesis 2012
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Chen, S. (author)
This dissertation proposes strategies not only for modelling price behavior in the dry bulk market, but also for modelling relationships between economic and technical variables of dry bulk ships, by using modern time series approaches, Monte Carlo simulation and other economic techniques. The time series modelling techniques, described...
doctoral thesis 2011
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Pruyn, J.F.J. (author)
This research focusses on the use of consistent scenarios to help ship owners, banks and other parties with an interest the maritime business get a better grip on the future. Three levels of detail can be distinguished for the maritime industry. The macroeconomic level is the highest and focusses on the behaviour of countries and the trade...
doctoral thesis 2013
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Wellens, P.R. (author)
<Subject and main objective> There is a desire to assess extreme wave loads on offshore structures like Floating Production, Storage and Offloading (FPSO) vessels, either for design, or for evaluation when circumstances near the structure change. Design formulae for extreme wave loads are scarce and have limited validity for specific structures....
doctoral thesis 2012
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Hekkenberg, R.G. (author)
The European inland waterway transport sector is a highly competitive one. The transport operators in this sector are mainly small companies with only one ship. Such companies have very few possibilities to distinguish themselves from their competitors. At the same time their main asset, their ship, is often highly standardized. In this thesis,...
doctoral thesis 2013
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Tuitman, J.T. (author)
Slamming induced whipping can significantly increase the structural loading of ships. Although this is well-known, the whipping contribution to the structural loading is rarely taken into account when computing the structural loading. An exception are the "dynamic loading" factors found in Classification Societies rules. Currently there are no...
doctoral thesis 2010
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Nieuwenhuis, J.J. (author)
In this thesis the "knowledge void" regarding the appropriateness of a product platform approach for Engineered-to-Order ships is evaluated with the use of the ES3P method, developed in this research.
doctoral thesis 2013
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