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Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.5

ISSN Печать: 1065-3090
ISSN Онлайн: 1940-4336

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Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v16.i4.40
pages 333-344

FLOW FIELD AROUND MULTIPLE CYLINDERS − A FLOW VISUALIZATION STUDY

B.H.Lakshmana Gowda
BTL Institute of Technology, Department of Mechanical Engineering, Bommasandra, Bengaluru - 560 099, India
C. Ravi
BTL Institute of Technology, Department of Mechanical Engineering, Bommasandra, Bengaluru - 560 099, India
S. K. Pahari
BTL Institute of Technology, Department of Mechanical Engineering, Bommasandra, Bengaluru - 560 099, India
A. Verma
BTL Institute of Technology, Department of Mechanical Engineering, Bommasandra, Bengaluru - 560 099, India

Краткое описание

In this study, the flow field around a combination of cylinders with a large cylinder (diameter D) at the center and four smaller cylinders (diameter d = D/2) placed symmetrically around the former is investigated using flow visualization. The gap between the large and smaller cylinders is systematically varied. At each gap results are obtained at various angles of attack. The results indicate that both the gap and the angle of attack have significant effect on the flow field. There can be strong periodic forces on the combination in certain situations and high local negative pressures can occur in other certain relative positions of the cylinder.

ЛИТЕРАТУРА

  1. B. H. L. Gowda and D. R. Prabhu, Interference Effects on the Flow-Induced Vibration of a Circular Cylinder.

  2. B. H. L. Gowda and K. P. Deshkulkarni, Interference Effects on the Flow-Induced Vibrations of a Circular Cylinder in Side-by-Side and Staggered Arrangement.

  3. B. H. L. Gowda and V. Sreedharan, Flow Induced Oscillation of a Circular Cylinder Due to Interference Effects.

  4. S. Vengadesan and B. H. L. Gowda, Influence due to Arrangement of Splitter Plate on Flow Past a Circular Cylinder.

  5. F. Nagao, H. Utsunomiya, M. Noda, M. Imoto, and R. Sato, Aerodynamic Properties of Closely Spaced Triple Circular Cylinders.

  6. K. Lam, J. Y. Lee, K. T. Chan, and R. M. C. So, Flow Pattern and Velocity Distribution of Cross-Flow around Four Cylinders in a Square Combination at a Low Reynolds Number.

  7. A. K. Singh, S. Das, P. Kumar, and J. K. Prasad, Flow Field around Two-Dimensional Multiple Cylinders at Subsonic Speed.


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