Effects of Reynolds Number and Corner Radius on Two-Dimensional Flow Around Octagonal, Dodecagonal and Hexdecagonal Cylinders

James, William David; Iowa State University

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Effects of Reynolds Number and Corner Radius on Two-Dimensional Flow Around Octagonal, Dodecagonal and Hexdecagonal Cylinders

1976-01-01
By James, William David

[PDF-4.27 MB]

English

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Creators:

James, William David
Corporate Creators:

Iowa State University
Subject/TRT Terms:

[+]

Cylinders (Geometry) Drag Geometric Configurations And Shapes Reynolds Number Wind
Resource Type:

Thesis
Geographical Coverage:

United States
Corporate Publisher:

Iowa State University
Abstract:

The effects of Reynolds number and corner radius on two-dimensional flow around octagonal, dodecagonal and hexdecagonal cylinders were investigated. All models were studied at at least three model-relative wind orientations to determine the effect of angular alignment. In general it was found that the greatest drag coefficient was experienced with one of the corners pointing directly into the relative wind. The corner radii studied for each family of cylinders were 0.0, 9.1, 17.5, 24.5, 40.5, 57.7 and 74.2 percent of the radius of the inscribed circular cylinder. Data from these radii were compared with base line data obtained from a circular cylinder.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:fe08aa7b50b40f7490a4e2c0382189866e0c139811d43a44f2b2809111269cc3
Download URL:

https://rosap.ntl.bts.gov/view/dot/66150/dot_66150_DS1.pdf
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Effects of Reynolds Number and Corner Radius on Two-Dimensional Flow Around Octagonal, Dodecagonal and Hexdecagonal Cylinders

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