Dedes, E, Turnock, S.R., Hudson, D.A. and Hirdaris, S.
Possible power train concepts for nuclear powered merchant ships.
In, LCS 2011: International Conference on Technologies, Operations, Logistics and Modelling for Low Carbon Shipping , Glasgow City, GB,
22 - 24 Jun 2011.
Nuclear propulsion has many potential advantages in terms of reduced emissions, as nuclear fission itself has zero CO2, NOx, SOx and PM emissions, although the whole nuclear fuel cycle has an amount of emission associated with it. An overview of current and future reactor technologies suitable for marine propulsion is presented. A comparison in terms of efficiency and technology used is performed and technical and constructional aspects for surface non - military applications are discussed. A debate of feasible ship types is made and proposals of propulsion layouts are highlighted including the use of all electric ship concepts. The actual engine loading and the efficiency of propulsion components have great importance in propulsion behaviour and fuel consumption, which imply further constraints in merchant nuclear propulsion applications in terms of refuelling intervals. The social impacts and constraints in operation of such vessels, orients the designers towards large DWT vessels that can load and unload outside the ports.
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