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Application of Rankine Bottoming Diesel Engines to Marine Vessels
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English
Abstract
The use of organic Rankine cycle energy recovery systems can be an effective means of reducing fuel consumption for some types of diesel-powered marine vessels. An organic Rankine cycle diesel bottoming system is capable of recovering the equivalent of from a few percent to more than 20 percent of the base diesel engine output power from the exhaust gas energy. As a more desirable alternative to producing additional shaft horsepower, fuel consumption of the base diesel engine could be reduced by a comparative amount. Analysis indicates that Rankine cycle recovery systems could be cost-effective for diesel marine vessels that operate at high-duty cycle load factors.