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Giacomo Nicorelli, Diego Villa and Stefano Gaggero
A pre-swirl fin (PSF), pre-swirl duct (PSD) and wake-equalizing duct (WED) energy-saving devices (ESD) are designed for the Duisburg Test Case (DTC). To this aim, a simulation-based design optimization method, combining RANSE analyses (ship resistance) w...
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Jin-Gu Kang, Moon-Chan Kim and Yong-Jin Shin
This study is a parametric investigation of the application of a compact type of pre-swirl duct for a slender aft-body 158k crude oil carrier. The International Maritime Organization (IMO) has created the Energy Efficiency Design Index (EEDI), which is a...
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Jun Yang, Dakui Feng, Liwei Liu, Xianzhou Wang and Chaobang Yao
This study presents a numerical research on the open-water performance of a pumpjet propulsor at different scales. Simulations were performed by an in-house viscous CFD (Computational Fluid Dynamic) code. The Reynolds-averaged Navier?Stokes (RANS) method...
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Han Li, Qiaogao Huang, Guang Pan, Xinguo Dong and Fuzheng Li
Reducing the noise of the underwater propulsor is gaining more and more attention in the marine industry. The pump-jet propulsor (PJP) is an extraordinary innovation in marine propulsion applications. This paper inspects the effects of blade number on a ...
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H.J. Prins, M.B. Flikkema, B. Schuiling, Y. Xing-Kaeding, ... S. Paboeuf
Pág. 1591 - 1600
In the FP7 project GRIP, partners have extensively studied Energy Saving Devices which improve the propulsive efficiency of ships. The research has focussed on an early assessment of the performance, yard processes for the installation of an ESD, structu...
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