Earticle

초록

영어

In this study, we analyzed the radiant heat performance of ballast fin when the aspect ratio of the fin of ballast was changed. The minimum size of the mesh was 0.02 mm, and the grid number was about more than 11 thousand. In order to analyze the radiant heat performance of ballast fin, the aspect ratio of fin was 1.00(2 mm:2 mm), 1.80(1.5 mm:2.7 mm), and 0.56(2.7 mm:1.5 mm) respectively; that the heat transfer area was constantly 0.4 mm 2 . The numerical condition was that heat flux was constantly 1×10 5 W/m 2 , and measuring times were 0.1 second, 0.2 second, 0.5 second, 2 seconds, 5 seconds and 10 seconds respectively. The temperature values of fin at the 1.00 and 1.80 of aspect ratios were extremely large when heat flux time was 10 seconds. As a result, the maximum value of radiant heat performance of ballast fin appeared to the aspect ratio of 1.80.

목차

ABSTRACT
 1. 서론
 2. 실험
  2.1 실험장치 구성 및 방법
 3. 수치해석
  3.1 지배방정식
  3.2 해석방법 및 경계조건
  3.3 격자 의존성 평가(Grid dependency test)
  3.4 안정기의 격자구성 및 해석영역
 4. 결과 및 분석
  4.1 열유속 시간변화에 따른 핀의 온도특성
  4.2 핀의 종횡비에 따른 방열성능
 5. 결론
 후기
 References

키워드

저자

• 고동국 [ Dong-Guk Ko | Member, Department of Mechanical Engineering, Chonbuk National University ]
• 김민수 [ Min-Soo Kim | Member, Division of Mechanical Design Engineering, Chonbuk National University ] Corresponding author

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  한국기계항공기술학회지(구 한국기계기술학회지) [Journal of the Korean Society of Mechanical and Aviation Technology ]

• 간기

  격월간

• pISSN

  1229-604X

• eISSN

  2508-3805

• 수록기간

  1999~2026

• 등재여부

  KCI 등재

• 십진분류

  KDC 550 DDC 620