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Reciprocal Acoustic Transmission Experiment in Shallow Water
Reciprocal Acoustic Transmission Experiment Shallow Water
2009/8/19
Development of coastal acoustic tomography is carried out as a long term measurement technique to get shallow water information. Since sound is propagated with reflection at sea bed and sea surface, i...
The Experiment and Numerical Calculation of Propeller Performance with Surface Roughness Effects
Propeller Performance Surface Roughness Boundary Layer
2009/5/18
As well known, propeller and hull of ship are fouled and their surface are roughened due to various causes such as adhesion of sea-lives, painting degradation, cavitation erosion etc. The surface roug...
Development of the hull-form of catamaran by using CFD and experiment
the hull-form of catamaran CFD experiment numerical simulation
2009/4/29
Wake wash is one of the serious problems for high speed ships, because it may cause damage on the coastal aquaculture using rafts or nets. Since some important parts of high speed ships are catamaran,...
An Onboard Experiment of a Navigation Support System for Coastal Shipping and Its Evaluation
Environmental issues Coastal Shipping
2009/3/30
Environmental issues have been very much concerned recently. In addition, there has been a growing awareness that rising cost of fuel is inevitable. For reducing fuel consumption of a ship, an intelli...