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받음각을 갖는 축대칭 물체의 후류 유동 계산

Computation of Wake Flow of an Axisymmetric Body at Incidence

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키워드

주제분류조선공학

초록

Abstract

The turbulent wake flow of an axisymmetric body at incidence of 10.1° is investigated by commericial CFD code, Fluent 6.2. Reynolds stress turbulence model with wall function is applied for the turbulent flow computation. For the grid generation, the Gridgen V15 is used. Numerical predictions are compared with experimental data for the validation. The computed results show good agreements with the experimental measurements, implying that the CFD analysis is a useful and efficient tool for predicting turbulent flow characteristics of wake field of an axisymmetric body at incidence.

참고문헌 (6)

  1. "프로펠러에 의한 LNG 운반선 이중모형 선미의 속도변화 계측", 42(5), pp.448~457 (2005)
  2. "자유표면과 수심깊이가 회전하는 프로펠러 주위 유동에 미치는 영향에 대한 PIV 해석", 42(5), pp.427~434 (2005)
  3. "Detailed Investigation of the Three- Dimensional Separation about a 6:1 Prolate Spheroid", 35(6), pp.990~999 (1997)
  4. "“Measurements in the Flow around a Marine Propeller at the Stern of an Axisymmetric Body. Part 1 ” Experiments in Fluids", 11, pp.33~44 (1991)
  5. "Hot-Wire Measurements in Three-Dimensional Wake of an Axisymmetric Body at Incidence", pp.821~832 (1998)
  6. "Unstructured Mesh Based Reynolds Stress Transport Modeling of Complex Turbulent Shear Flows" (2001)

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