Studies on Drag Characteristics of Flow Around Immersed Bodies with a Slit

This paper describes experimental result of drag characteristics of the object with the slit. The test pieces are the column that the slit of straight, Y-type slit and clearance tapes were installed for the spiral rolls at 45. Slit width, Y-type opening angles, pitch of the spiral roll were changed....

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Bibliographic Details
Published inJournal of the Visualization Society of Japan Vol. 23; no. Supplement2; pp. 223 - 226
Main Authors OBATA, Teruo, HAYASHI, Wakato
Format Journal Article
LanguageJapanese
Published The Visualization Society of Japan 2003
Subjects
Circular cylinder
Drag coefficient
Drag reduction
Flow visualization
Y-shape slit
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ISSN0916-4731
1884-037X
DOI10.3154/jvs.23.Supplement2_223

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Summary:This paper describes experimental result of drag characteristics of the object with the slit. The test pieces are the column that the slit of straight, Y-type slit and clearance tapes were installed for the spiral rolls at 45. Slit width, Y-type opening angles, pitch of the spiral roll were changed. The Reynolds number is 60000. Using the smoke wind-tunnel facility, the flow visualization experiment processes image by the digital camera by the computer after the photographing.
ISSN:0916-4731
1884-037X
DOI:10.3154/jvs.23.Supplement2_223