- 선박의 저항성능 추정을 위한 EARSM 난류 모형의 활용
- ㆍ 저자명
- 김유철,김광수,김진,Kim. Yoo-Chul,Kim. Kwang-Soo,Kim. Jin
- ㆍ 간행물명
- 大韓造船學會 論文集
- ㆍ 권/호정보
- 2014년|51권 1호|pp.67-77 (11 pages)
- ㆍ 발행정보
- 대한조선학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
In this study, Explicit Algebraic Reynolds Stress Model (EARSM) which is based on the existing ${kappa}-{omega}$ model has been applied to the flow field analysis around ship hulls. Existing transport equations for the turbulent kinetic energy and the dissipation rate are used in almost the same form and anisotropy terms of Reynolds stresses are newly considered. The well-known KVLCC2 and KCS hull forms are selected as validation cases, which were also used in 2010 Workshop on CFD in Ship Hydrodynamics. In case of KVLCC2 double model, comparison of mean velocity distribution, turbulent kinetic energy, and Reynolds stresses near the propeller plane has been carried out and wave elevation and wave profiles have been additionally studied for KCS and KVLCC2 with free surface models. Some improved results for mean velocity distribution at the propeller plane have been obtained while there is little change in free surface wave profiles.