Low Speed

26/03/2012, ME-GI Dual Fuel MAN B&W Engines
This paper describes the latest developments in ME-GI dual fuel MAN B&W two-stroke engines and associated fuel supply systems.
 
09/02/2012, Blended Edge Main Bearings
The blended edge (BE) design was introduced on thin shell white metal main bearings to better cope with crankshaft inclinations and thereby increase the resistance towards edge fatigue failures. The blended edge design is the corresponding item to the thick shell flex-edge design for MC engines.
 
18/01/2012, MAN B&W Double-Jib Crane
In the late 1970s, MAN Diesel & Turbo in Copenhagen conducted an investigation into the building-in heights of engine room cranes, and found that, at that time, all engine room cranes on the market required far too much headroom. We therefore decided to develop a particularly low-headroom crane, for which we were granted patents in many countries. The further development of this crane led to the ‘MAN B&W double-jib crane’.
 
18/01/2012, Low Container Ship Speed Facilitated by
Recently, fuel oil prices have risen to unprecedented levels, bringing fuel oil consumption of diesel engines more into focus than for a long time. At the same time, exhaust gas emissions in general and CO2 emission in particular are top priorities. One way of reducing fuel consumption as well as CO2 emission is to reduce the ship speed. Fig. 1 shows the relation between power and speed for a typical modern large post panamax container vessel.
 
24/10/2010, Propulsion Trends in LNG Carriers
Natural gas is a “clean” fuel compared to diesel and heavy fuel oil and, together with an increasing environmental responsibility, there is a rising demand for natural gas worldwide. Where it is not possible to transport natural gas by means of pipelines, the LNG (Liquid Natural Gas) carriers have to take over the transportation because natural gas in liquid form at atmospheric pressure only takes up 1/600 of the natural gas volume.
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