Earticle

초록

영어

The non-reacting flow field and the movement of sand particles inside a 30MW circulating fluidized bed combustor is numerically simulated via the finite volume method. The primary air is supplied through 23x23 array of nozzles located on the bottom and the secondary air is supplied through 12 inlet pipes located on the side walls. The steady state velocity field shows that a very complex flow pattern is formed in the lower part of the combustor. As the gas moves upward, the velocity magnitude decreases and the gas exits the combustor after hitting the top wall. To investigate the behavior of sand particles with different diameters, a particle tracking calculation is performed by introducing sand particles continuously at the z = 3 m plane. For the given air flow rate condition, sand particles smaller than 0.3 mm show a complex movement pattern near the secondary air inlet and then rise toward the outlet.

목차

ABSTRACT
 1. 서론
 2. 연구 방법
  2.1 수치해석 모델
  2.2 계산 조건
 3. 결과 및 토의
 4. 결론
 후기
 References

키워드

저자

• 김진현 [ Jin Hyun Kim | Kongju National University, Department of Mechanical Engineering ]
• 오세천 [ Sea Cheon Oh | Kongju National University, Department of Environmental Engineering ]
• 김우태 [ Woo Tae Kim | Member, Kongju National University, Department of Mechanical & Automotive Engineering ] 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