The wind tunnel experiments were conducted over a solid/perforated plate with a long splitter plate in its plane of symmetry. The effect of varied level of perforation of the normal plate on the behaviour of two dimensional separation bubble was studied. The mean velocity and surface mean pressure distributions were also measured after preliminary flow visualization studies. The normal plate perforation levels used are 0%, 10%, 20%, 30%, 40% and 50%. The Reynolds number based on step height was varied from 4 × 103 to 1.2 × 104. Mean pressures were found to be strongly dependent on perforation level of the normal plate. The shape and size of the bubble vary with different perforated normal plate that is to say, the bubble gels reduced both in height and length upto 30% perforation level. For higher perforation of the normal plate, the bubble is completely swept out. © 2002 Taylor & Francis Group, LLC.

Yaragal, S.C.; Govind Ram, H.S.; Murthy, K.K.

The wind tunnel experiments were conducted over a solid/perforated plate with a long splitter plate in its plane of symmetry. The effect of varied level of perforation of the normal plate on the behaviour of two dimensional separation bubble was studied. The mean velocity and surface mean pressure distributions were also measured after preliminary flow visualization studies. The normal plate perforation levels used are 0%, 10%, 20%, 30%, 40% and 50%. The Reynolds number based on step height was varied from 4 × 103 to 1.2 × 104. Mean pressures were found to be strongly dependent on perforation level of the normal plate. The shape and size of the bubble vary with different perforated normal plate that is to say, the bubble gels reduced both in height and length upto 30% perforation level. For higher perforation of the normal plate, the bubble is completely swept out. © 2002 Taylor & Francis Group, LLC.

dc.contributor.author	Yaragal, S.C.
dc.contributor.author	Govind Ram, H.S.
dc.contributor.author	Murthy, K.K.
dc.date.accessioned	2026-02-05T11:00:30Z
dc.date.issued	An experimental investigation of mean flow field behind perforated plates on a flat surface
dc.description.abstract	2002
dc.identifier.citation	ISH Journal of Hydraulic Engineering, 2002, 8, 2, pp. 34-43
dc.identifier.issn	9715010
dc.identifier.uri	https://doi.org/10.1080/09715010.2002.10514714
dc.identifier.uri	https://idr.nitk.ac.in/handle/123456789/27999
dc.subject	Experimental investigation
dc.subject	Mean flow field
dc.subject	Perforated plates
dc.subject	Recirculating flows
dc.subject	Two-dimensional bubble
dc.title	The wind tunnel experiments were conducted over a solid/perforated plate with a long splitter plate in its plane of symmetry. The effect of varied level of perforation of the normal plate on the behaviour of two dimensional separation bubble was studied. The mean velocity and surface mean pressure distributions were also measured after preliminary flow visualization studies. The normal plate perforation levels used are 0%, 10%, 20%, 30%, 40% and 50%. The Reynolds number based on step height was varied from 4 × 103 to 1.2 × 104. Mean pressures were found to be strongly dependent on perforation level of the normal plate. The shape and size of the bubble vary with different perforated normal plate that is to say, the bubble gels reduced both in height and length upto 30% perforation level. For higher perforation of the normal plate, the bubble is completely swept out. © 2002 Taylor & Francis Group, LLC.

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