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Calculation tool for assessment of ships' energy consumption and flue gas emissions, including CO2 (EEDI)


With financial support from The Danish Maritime Fund, the Technological University of Denmark (DTU) and the University of Southern Denmark have developed a tool which, within three Excel-sheets, can calculate ships' flue gas emissions and energy efficiency.

The tool, which can be used for existing ships as well as newbuildings, is made in three versions: for container ships, for bulk carriers and for tankers.

The tool is intended for shipowners, naval architects and others in the industry and may be used for analysing CO2- and other emissions from ships, for example with a view to adhering to the IMO's limit values for energy efficiency (EEDI),which became effective on 1 January 2013. The tool is, however, also intended for persons and companies working with energy consumption and emissions from various modes of transportation, as the programs will enable calculations of the relevant energy- and emission data for transportation by sea for comparisons with other transport modes.

Simply by inputting a ship's payload capacity, rate of utilization and speed, the model of calculation will return an approximate figure for CO2-emission, energy consumption as well as determine other emission products. The calculation can be made even more precise by inputting a number of parametres, such as engine- and fuel types and employment of various technical measures for reduction of flue gas emissions, primarily NOx (nitrogen oxides) and SOx (sulphur oxides. The tool, which is freely accessible, has so far been available for downloading from the DTU's home page. Henceforth the most recent and updated version will be available here...

The three spreadsheets for tankers, bulk carriers and container ships, respectively, can be downloaded. More details about the theoretical and statistical documentation behind the models can be found in the four PDF-documents.

For further information please contact Senior Advisor, Hans Otto Holmegaard Kristensen, hok@shipowners.dk, phone. +45 33 48 92 81


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