Intelligent Combustion Monitoring

By Keith Henderson at November 15, 2010 15:34
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Wärtsilä has announced the introduction of an Intelligent Combustion Monitoring system (ICM) for its two stroke engines. Aiming to optimize both reliability and maintenance intervals of these engines, it follows the company's target to provide practical solutions that lower the through life cost of operating its products. It extends the present Wärtsilä family of condition monitoring devices to provide a performance and condition monitoring solution.

The system will be introduced in three stages: initially as a reporting service, then in 2011 it will be linked to the electronic RT-flex engines to allow automatic compensation and adjustments according to the ICM system and lastly it will be linked to the non-electronic RTA engines.

ICM's strength as a monitoring system is that it measures combustion pressure against crank angle / piston position for each stroke of each cylinder to give a very accurate report of the combustion process. This provides an absolute as well as a comparative indication of the thermal and mechanical loading of the individual cylinders, power produced and fuel efficiency. Comparing the data with the other cylinders and optimum values, it will indicate mechnical problems such as worn cylinders, broken or damaged piston rings, exhaust valve condition and fuel injection errors.

Earlier this year ABB and Wärtsilä signed a co-operation and distribution agreement for the ABB Cylmate monitoring system which integrates with the ICM. Under the agreement, Wärtsilä takes responsibility for global sales, installation, and lifetime service of the system for all two-stroke engines, both for upgrades to engines in operation and as an option for new-buildings.

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