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On Predicting Cavitation-Induced Hull Pressure Fluctuations - Wake Scale Effects And Signal Variability

AuthorsWijngaarden, H.C.J. van, Bosschers, J., Terwisga, T.J.C. van
Conference/JournalIMarEST Ship Noise and Vibration Conference, London, UK
Date24 Nov 2010
This paper presents research efforts currently made to incorporate the influence of wake scaling and signal variability in scale model experiments for the prediction of propeller-induced hull pressure spectra. The influence of wake scaling is considered particularly important for very large slender ships such as container vessels. Pressure signal variability is of importance for the interpretation of the origin of broadband excitation levels that are of concern in high comfort passenger vessels.

Contact

Contact person photo

Tom van Terwisga

Team leader Resistance and Propulsion

Johan Bosschers

Senior Researcher

Erik van Wijngaarden

Senior Researcher

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Tags
sustainable propulsioncfd developmentcfd/simulation/desk studiesmeasurements and controldata sciencetime-domain simulationsnoise and vibrationresistance and propulsionmarine systemspoweringdefencepassengers and yachtingtransport and shippingmodel testingresearch and developmentcavitationsimulationsresearch