Abstract
The paper deals with the development of computer controlled low speed crosshead diesel engines and the application prospects for such ‘Intelligent Engines’. The main development goals are enhanced reliability, reduced operational costs and great operational flexibility with regard to output and emissions. The concept is outlined and the paper describes the fuel injection and exhaust valve actuation systems, the electronic control system, the cylinder pressure measuring system and the cylinder lubrication system. Examples of the flexibility of the injection system are given.A full-scale service test of such a system on all cylinders of the 6L60MC main engine of the 37, 500 dwt Norwegian chemical carrier M/T Bow Cecil started in late 2000. The design of the systems is outlined, followed by a description of the experience with those parts of the new system which are already in service. Finally, the first commercial orders for ‘intelligent engine’, four 7S60ME-C engines, is dealt with.
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