Low-speed goes high tech

Article Abstract:

Computer-controlled slow-speed engines are being developed MAN B&W to meet requirements for better fuel consumption, more control and flexibility. Intelligent engines offer ship crews a great level of control for when mechanical errors occur and repair work needs to be undertaken.

Innovations, Marine engines

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Emissions affect the development

Article Abstract:

The International Maritime Organization will enforce several regulations to reduce NOx emissions from marine diesel engines by 30% by the year 2000. Ship engine manufacturers will modify diesel engine designs by changing the air/fuel ratio during combustion. Combustion temperature can be reduced by delaying the fuel injection to a five- to six-degree crank angle. Fuel atomization can also be improved by increasing the valve opening pressure from 350 to 600 bar. Engine manufacturers are also modifying engine design to accommodate emulsion fuel which reduces NOx emissions by 30%.

Air Pollution Control, Waste Management and Remediation Services, Management, Laws, regulations and rules, Environmental aspects, Design and construction, International Maritime Organization, Diesel motor, Diesel engines, Air quality management, Nitrous oxide

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