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IRS, Wartsila and Yanmar feature innovations at the Annual meet organized by the Institution of Marine Engineers (I)

Posted to IME(I) Annual Meet focuses on innovations by Joseph Fonseca on 3/10/2014 4:15:19 PM | with 0 comments


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Indian government considering incentive scheme of Indian Coastal Conference Shipping Association for modal shift of cargo from road / rail to inland waterways / coastal shipping



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Automatic optimization of marine diesel engine performance using loop control of the cylinder pressure process has been under development for a number of years at both MAN Diesel & Turbo and Wärtsilä. Targeting the slow speed two stroke engines, the key to successful implementation of automatic loop control is reliable sensors able to accurately measure cylinder pressure, providing key data to evaluate the fuel efficiency and engine conditions. Without automatic loop control, ship engines are tuned manually to operate within safe limits while leaving a safety margin for variations in fuel properties and operating conditions. Engines are poorly balanced between cylinders and are often outside recommended deviation limits resulting in increased fuel consumption and higher CO2 emissions. The benefit of auto tuning is that the cylinder pressures are balance and at the highest acceptable pressure offering reduced fuel consumption and CO2 emissions. MAN Diesel & Turbo, ABB, and A.P.Moller have together been running loop control projects since autumn 2007.

Posted to Marine Propulsion Report by Keith Henderson on 8/27/2010 8:02:55 AM | with 0 comments


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Many propulsion aspects were not covered in our previous Quantum report, therefore we call this one Quantum 2. Container ship designs go for maximum hull speed requiring highest practicable engine power. The slump of the last two years has meant that ships often steam well below their designed maximum speed. Many propulsion arrangements were investigated for the Quantum, however a diesel electric solution was most favored using a twin propeller arrangement for full redundancy. It was decided the best option was two steerable Azipods. Adding further flexibility, all the gen set engines are dual MDO/LNG fuel and the two on board LNG tanks allow engine operation in emission sensitive areas.

Posted to Marine Propulsion Report by Keith Henderson on 4/20/2010 9:00:25 AM | with 2 comments


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The high cost and complexity of modern ships may point to an alternative to the sale or scrapping a vessel as it ceases to fulfill all the requirements of its original task. In some cases new or upgrading older engines, in other cases the propulsion configuration is changed, rewarding the operator with lower fuel costs and emissions.

Posted to Marine Propulsion Report by Keith Henderson on 2/25/2010 8:43:10 AM | with 5 comments


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