Wind-assist marine demonstration for ferries: prospects for saving diesel fuel with wind power Online publication date: Mon, 05-Aug-2019
by Timothy E. Lipman; Jeffrey Lidicker
International Journal of Environmental Technology and Management (IJETM), Vol. 22, No. 1, 2019
Abstract: These sailing vessel testing, data collection and analysis project examined the real world potential for a novel carbon-fibre 'wingsail' technology to reduce fuel use in potential passenger ferryboat applications. The project involved building a carbon fibre, computer-controlled wingsail that was then mounted on a 14-metre trimaran test vessel with a complete instrumentation package. The vessel was then operated on the San Francisco Bay over a three-month period. The test results were conclusive that, for a test vessel travelling at seven knots though water on a particular ferry route, up to 25% to 40% of the fuel burned can be saved through the use of the wingsail, depending on wind speed, with a corresponding reduction in greenhouse gases, toxic and criteria pollutant emissions and fuel costs. The estimated fuel efficiency gains will not necessarily translate directly to those at actual ferryboat service speeds (at 17 or more knots) but are encouraging pending further investigations.
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