Abstract
An experimental investigation of the two dimensional(2-D) flow normal to a flat plate at low to medium Reynolds numbers (ranging from 25 to 393 based on the breadth of the plate) is described. Both horizontal and vertical soap film tunnels are used to set up a truly 2-D experiment. The flow in the soap film is very thin and is a close approximation to 2-D flow. Momentum defect measurements are used to obtain the time averaged mean drag coefficient, (Formula presented), experienced by a normal flat plate via laser Doppler velocimetry. It is found that (Formula presented) ≅ 2.1 for the current Re range. The present data agree well with available nominally 2-D experimental results from previously published papers which were obtained in traditional towing tank, wind tunnel and water tunnel experiments with high plate aspect ratios. This measurement implies that the intrinsic 3-D motions in the previously nominally 2-D experiments are not significant on (Formula presented) and the computational fluid dynamics results from previously published papers which are reviewed have overestimated (Formula presented).
| Original language | English |
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| Title of host publication | 36th AIAA Aerospace Sciences Meeting and Exhibit |
| Publisher | American Institute of Aeronautics and Astronautics Inc, AIAA |
| Publication status | Published - 1 Jan 1998 |
| Externally published | Yes |
| Event | 36th AIAA Aerospace Sciences Meeting and Exhibit, 1998 - Reno, United States Duration: 12 Jan 1998 → 15 Jan 1998 |
Conference
| Conference | 36th AIAA Aerospace Sciences Meeting and Exhibit, 1998 |
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| Country/Territory | United States |
| City | Reno |
| Period | 12/01/98 → 15/01/98 |
ASJC Scopus subject areas
- Engineering(all)
- Space and Planetary Science