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Cosco orders Triple-E Megaships

  China Cosco Holdings Co. is set to order at least 10 container megaships, the Wall Street Journal reports. Triple-E vessels, which can move 19,000 containers each, will be ordered from a Chinese yard and cost around US$1.4 billion in total. When fully loaded, Triple-E's can cut the cost of moving a container across the oceans by around 25% in an industry that carries about 95% of the world's manufactured goods. The ships are intended to be deployed in the Asia-to-Europe trade loop. Sources said that Cosco had so far been reluctant to follow bigger competitors—including the Maersk Line unit of Denmark’s A.P. Møller-Mærsk A/S, and Swiss-based Mediterranean Shipping Co.—that already have a number of such behemoths in their fleet. Japanese shipping company Mitsui O.S.K. Lines, Ltd. has ordered six 20, 000 TEU containerships whereas the French liner company CMA CGM has ordered three 20,600 TEU boxships at Hanjin Heavy Industries.  In the start, I was forthright with you propecia before and after has changed my essence. It has become much more fun, and now I have to run. Just as it is incredible to sit.

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Ships are getting new bulbous bow to save fuels

Image Credit: WikipediaThe bulbous bow (bulb) is a very important part of the hull as it can potentially reduce the hull resistance considerably, or affect the resistance in a negative way.According to ABS 'Ship Energy Efficiency Measures Advisory' , the properly designed bulbous bow reduces wave-making resistance by producing its own wave system that is out of phase with the bow wave from the hull, creating a canceling effect and overall reduction in wavemaking resistance. The flow is more horizontal, reducing eddy effects at the forward bilge. Physical factors considered in bulb optimization include volume, vertical extension of the center of volume, longitudinal extension and shape. A bulb with a reverse pearshaped section is primarily effective at the design condition, pear-shaped bulbs work best for drafts below the design draft (i.e. ballast draft or partial load draft) and cylindrical shaped bulbs offer a compromise solutionThe characteristics of the bulbous bow must be carefully balanced with the shape of the entrance and the transition towards the forward shoulder and bilge. Bulbs are most effective at certain Froude number (speed-length ratio) and draft. Changes in speed and draft significantly change the wave created, such that reductions in draft or speed can actually lead ...

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