This is a collection of technical papers published by MAN Energy Solutions, Copenhagen/Holeby, Denmark, covering both MAN B&W two-stroke and MAN four-stroke internal combustion engines.
Our technical papers provide information on new engine developments and trends, service experience, important aspects of engine management and maintenance, and emissions requirements compliance and development, etc.
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Propulsion of 46,000-50,000 dwt MR tankerspdf, 2215 KBThis paper provides guidance and examples on how to ensure compliance with EEDI phase 2 and 3 for MR tankers through three case studies. Application of the latest engine technology, such as EcoEGR in combination with a shaft generator, will reduce the EEDI significantly. Combined with an optimized aft ship with a Kappel propeller and a rudder bulb, this will ensure EEDI compliance for traditional fuels. In addition, the paper considers alternative fuels such as LPG and LNG, as such fuels reduce the EEDI significantly and allow for a higher service speed if desired.
Propulsion of 14,000 teu container vesselpdf, 1056 KBIn anticipation of the completion of the new Panama Canal, the “New Panamax” type of container vessels has been a popular category since the early 2010s. New Panamax vessels offer easy access to the large market of North America as well as good flexibility, as the vessels offer adequate economy of scale to trade on many other routes. This paper considers the propulsion plants available for such vessels, and shows the significant savings that can be attained through the application of the latest propulsion technology, including EcoEGR.
Propulsion of 2,200-3,000 teu container vesselspdf, 986 KBThe current container feeder fleet is ageing, and new fleet renewal programmes are expected within the near future. This paper will outline the advantages of applying the latest engine technology included in the Mark 10 engine design to the feeder segment, along with other fuel saving technologies e.g. EcoEGR. This will ensure significant SFOC savings, not only of benefit to the environment, but also to the owners.
MAN B&W ME-GIE installation in very large or ultra large container vesselspdf, 5970 KBAs a result of MAN Energy Solutions’ innovation, more possibilities for burning greener fuels now exist. Today, customers can choose between different engine platforms that have been developed to ensure efficient and green fuel combustion by MAN B&W dual-fuel, two-stroke engines. The ME-GI dual-fuel engines described in this paper have been based on an optimized engine design platform, which has resulted in a lighter and a more powerful engine.
Dynamic limiter functionpdf, 3146 KBThe dynamic limiter function (DLF) is a new engine control system functionality that has been developed to improve engine and ship acceleration. This paper describes some principles of ship acceleration and why MAN Energy Solutions has chosen to develop DLF and how DLF works.
Costs and benefitspdf, 2730 KBKey results from a DNV GL and MAN Energy Solutions joint study The Sulfur Emission Control Areas (SECAs) in place in North America and Northern Europe, in combination with the upcoming global 0.5% limit on sulphur in 2020 (or 2025) and similar EU limits in 2020, call for alternative fuels as a means for compliance. Several alternative fuels are available and, at the same time, new fuel oil products with very low sulfur content have been introduced.
Efficiency of MAN B&W two-stroke enginespdf, 1194 KBIn the design process, typically conducted by the contractor for land-based applications or the shipyard for marine installations, it is relevant to reduce the daily fuel oil consumption and, consequently, the CO2 footprint from carbon-containing fuels. The paper covers power consumption of electric auxiliary equipment, for example pumps, fans, etc., serving the MAN B&W engines.
Technical paper GenSets
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