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Basic study of blockage effects on bluff bodies

Utsunomiya, H. / Nagao, F. / Ueno, Y. / Noda, M.

AbstractThe blockage effects on the aerostatic forces such as the base pressure coefficient, Cpb, and the drag force coefficient, CD, were experimentally examined by using three kinds of bluff bodies, i.e. the cube, the rectangular cylinder, $B d =0.8$ , and the two rectangular cylinders ( $B d =0.8$ ) in tandem arrangement. The CD for these models were corrected by modifying Maskell's and awbi's methods taking into account new factors contributing to blockage effects as follows; 1) a space factor to allow for the tandem arrangement of bluff bodies, 2) an aspect factor to express the three dimensional effects and 3) a flow factor to reflect the flow properties.

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Basic study of blockage effects on bluff bodies

Utsunomiya, H. / Nagao, F. / Ueno, Y. / Noda, M.

AbstractThe blockage effects on the aerostatic forces such as the base pressure coefficient, Cpb, and the drag force coefficient, CD, were experimentally examined by using three kinds of bluff bodies, i.e. the cube, the rectangular cylinder, $B d =0.8$ , and the two rectangular cylinders ( $B d =0.8$ ) in tandem arrangement. The CD for these models were corrected by modifying Maskell's and awbi's methods taking into account new factors contributing to blockage effects as follows; 1) a space factor to allow for the tandem arrangement of bluff bodies, 2) an aspect factor to express the three dimensional effects and 3) a flow factor to reflect the flow properties.

Basic study of blockage effects on bluff bodies

Utsunomiya, H. / Nagao, F. / Ueno, Y. / Noda, M.

AbstractThe blockage effects on the aerostatic forces such as the base pressure coefficient, Cpb, and the drag force coefficient, CD, were experimentally examined by using three kinds of bluff bodies, i.e. the cube, the rectangular cylinder, $B d =0.8$ , and the two rectangular cylinders ( $B d =0.8$ ) in tandem arrangement. The CD for these models were corrected by modifying Maskell's and awbi's methods taking into account new factors contributing to blockage effects as follows; 1) a space factor to allow for the tandem arrangement of bluff bodies, 2) an aspect factor to express the three dimensional effects and 3) a flow factor to reflect the flow properties.

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Title:

Basic study of blockage effects on bluff bodies

Contributors:

Utsunomiya, H. (author) / Nagao, F. (author) / Ueno, Y. (author) / Noda, M. (author)

Published in:

Journal of Wind Engineering and Industrial Aerodynamics ; 49 ; 247-256

Publication date:

1993-01-01

Size:

10 pages

ISSN:

DOI:

https://doi.org/10.1016/0167-6105(93)90020-O

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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