PER CENT FUEL SAVINGS WITH NEW DESIGN

Date: 2015-10-07; view: 362.

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Three large bulk carriers recently ordered from Japan's Nippon Kokan will break new ground in the "fuel economy"¹ field as they will demonstrate a number of novel ideas in their main propulsion plants and machinery. ,

Each of the 140,000-dwt ore/coal carriers will have a single fuel "efficient" medium speed diesel engine driving a large diameter (9 m) propeller at low revs.

Other internal innovations include a water distilling plant heated by the main engine cooling water, an exhaust-gas economizer, exhaust-gas-driven turbogenerator, a heating system for the accommodation utilizing the, heat of the main engine, cooling water, a boiler feed heating system using the main engine turbocharger air, variable quantity type cooling sea water pumps and a shaft driven generator-cum-motor.

Each vessel's hull form has been specifically designed to save fuel and will be coated with a paint with little viscosity resistance, which it is claimed, will effectively prevent marine growth.

As a result of these economy steps² the three vessels are claimed to give 40% reduction in overall fuel consumption, compared with conventional vessels of the same type and size.

"Fairptay"

Notes:

¹ to break new ground in the fuel economy — открывать новые возможности в области экономии топлива.

² economy steps — шаги/меры, предпринимаемые в целях экономии.