Technical papers

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 tankers
    pdf, 2215 KB
    This 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 vessel
    pdf, 1056 KB
    In 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 vessels
    pdf, 986 KB
    The 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 vessels
    pdf, 5970 KB
    As 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 function
    pdf, 3146 KB
    The 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 benefits
    pdf, 2730 KB
    Key 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 engines
    pdf, 1194 KB
    In 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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