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Utilising extensive field experience obtained with the V28/33D range and employing state of the art development processes the V28/33D incoporates a number of unique features; which results in quantifiable benefits to operators.
The SaCoSone control system undergoes testing at the factory together with the engine, ensuring minimum tuning and functional testing during ship commissioning.
Sequential turbo charging (STC)
The new MAN Diesel & Turbo Sequential Turbo Charging System operates with high efficiency turbochargers. The benefit of this system is the option to switch the second turbocharger at low load operation off. This enables a low thermal signature, decreased smoke emission, low vibrations and reduced partload fuel consumption.
New turbocharger – TCA 33
Twin, high efficiency axial turbochargers have been specially developed for the V28/33D. These tuned axial turbocharger indicates low weight and compact design, provided for easier maintenance and have extended service life time. High efficiency at full and part loads results in substantial air surplus and thorough combustion without residues and low thermal stress of the combustion chamber components. Good part load operation due to very high turbocharger efficiency.
Special attention has been paid to reducing the component count and minimising maintenance work, in combination with extended service intervals and ease of access with the engine in situ. This reduces downtime and keeps maintenance, time and cost to a minimum.
Individual cylinder heads have a wide combustion face incorporating coolant drillings. A four-valve arrangement is employed with two inlet and two exhaust valves around the central, vertical injector. Twin inlet ports are connected directly to the air manifold. The single, tandem exhaust port outlet is located in the top face for ease of maintenance.
Go to Marine Engine Programme
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