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요트의 Main세일과 Jib세일 사이의 간섭 효과에 대한 수치해석

Calculations on the Interactions between Main and Jib Sails

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참고문헌

키워드

주제분류조선공학

초록

Abstract

It is important to understand the flow characteristics around two sails of a sloop yacht. In this paper a computational aerodynamic investigation is performed over sail-like airfoils similar to the main and jib sails of a 30 feet sailing yacht. Lift and drag are calculated for various conditions of slit distance between the two sails and overlapped length of the jib sail. The thrust and CE(center of effort) of the sail system are obtained. It is found that the combination of two sails produces the thrust force larger than the sum of the thrust force of each sail standing separately and the slit distance of the two sails are important factor to increase lift force.

참고문헌 (8)

  1. "유한체적법을 이용한 상선주위의 난류유동 계산에 관한 연구", 37, pp.19~31 (2000)
  2. "Computational Methods for Fluid Dynamics" (1996), Springer-Verlag
  3. "Computational study on turbulent flows around modern tanker hull forms" (2002)
  4. "International Journal for Numerical Methods in Fluids", 38, pp.377~406
  5. "Principles of Yacht Design" (2000), International Marine of McGraw-Hill.
  6. "CFD Simulation of Two-Sail Interaction about a Sailing Yacht", 181, pp.25~34 (1997)
  7. "A New Eddy Viscosity Model for High Reynolds Number Turbulent Flows-Model Development and Validation", 24(3), pp.227~238 (1995)
  8. "Static Pressure Distributions Over 2D Mast", Sail Geometries, pp.333-337., pp.26, ~4

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