Technical FAQs 4

Does auxiliary engine power increase with ship size?

Compares a number of alternative schemes for auxiliary engine and boiler power. A small local survey of ships provides useful data on auxiliary power demand. Operating auxiliary engine power does not necessarily increase with ship size. The auxiliary power scheme can strongly affect the estimated emissions.

Why do vessels use shore-generated power instead of auxiliary diesel engines?

By using shore-generated power instead of running auxiliary diesel engines, vessel operators enjoy a fuel cost benefit, the magnitude of which depends very much on the going fuel price.

Can auxiliary boiler power be differentiated by ship size?

Auxiliary boiler power was generally not differentiated by ship size. More recent approaches are based on extensive ship survey data, and give tables of auxiliary engine and auxiliary boiler power binned against ship type, ship size and operating mode.

Which auxiliary power unit is best for a ship?

Some modern ships, especially those emphasizing high efficiency or specific operational needs, incorporate gas turbines as auxiliary power units. They offer quick start-up times, compact size, and high power-to-weight ratios but are more expensive to operate than diesel engines. 3. Steam Turbines and Boilers:

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Power generation cost of ship container auxiliary engine

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