NDLI: Improved hydrodynamic analysis of marine propellers using a B-spline-based higher-order panel method

Content Provider	Springer Nature Link
Author	Kim, Gun Do Ahn, Byoung Kwon Kim, Ji Hye Lee, Chang Sup
Copyright Year	2015
Abstract	An improved hydrodynamic analysis of marine propellers based on a B-spline higher-order panel method is presented. The existing potential-based panel methods inevitably result in the degradation of the accuracy, especially near the trailing edge and the tip of the lift-generating surface. However, in the present method, the order of the B-splines used to represent body geometries and potentials can be increased without limit and, hence, solutions of any order can be obtained. In addition, the wake roll-up phenomenon of the propeller is adopted and its effects are investigated. The alignment procedure which satisfies the kinematic and dynamic boundary conditions on the shedding wake surface has been investigated by taking a close look at the case of marine propellers. In this work, we show that wake roll-up modeling gives improved results for the flow of extreme tip such as r/R = 0.99. The present method is validated by comparing it to the existing numerical and experimental results.
Starting Page	670
Ending Page	678
Page Count	9
File Format	PDF
ISSN	09484280
Journal	Journal of Marine Science and Technology
Volume Number	20
Issue Number	4
e-ISSN	14378213
Language	English
Publisher	Springer Japan
Publisher Date	2015-05-22
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	B-spline higher-order panel method Marine propeller Wake roll-up Automotive Engineering Engineering Fluid Dynamics Engineering Design Offshore Engineering Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering Mechanics of Materials Mechanical Engineering

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