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Flow visualization data from experiments with an oscillating circular cylinder in a gravity-driven soap film
Emad Masroor1, Wenchao Yang2, Mark A Stremler3
1Engineering Mechanics Program, Virginia Tech, Blacksburg VA, 24061, USA.
Data in Brief
|February 10, 2022
Summary
This study visualizes the wake patterns generated by an oscillating cylinder in a soap film. Researchers observed classic vortex street patterns, offering insights into fluid dynamics.
Area of Science:
- Fluid dynamics
- Flow visualization
- Experimental physics
Background:
- Investigating fluid flow phenomena is crucial for understanding complex systems.
- The study of vortex dynamics in fluid mechanics provides insights into various natural and engineered processes.
- Soap films offer a unique, low-Reynolds-number environment for fluid flow experiments.
Purpose of the Study:
- To present flow visualization data of a circular cylinder oscillating transversely in a gravity-driven soap film.
- To document the formation and evolution of vortex streets behind the cylinder.
- To systematically vary oscillation parameters and observe resulting wake patterns.
Main Methods:
- Utilizing an inclined gravity-driven soap film apparatus.
- Employing a circular cylinder undergoing controlled transverse oscillations.
- Capturing interference fringe patterns using a high-speed camera for flow visualization.
Main Results:
- Observed the formation of vortex streets in the wake of the oscillating cylinder.
- Documented distinct wake patterns, including 2S, P+S, 2P, and 2T configurations.
- Systematically varied dimensionless frequency and amplitude of cylinder oscillations.
Conclusions:
- The data provides a visual record of wake dynamics under specific experimental conditions.
- The identified wake patterns correspond to established classifications in oscillating cylinder studies.
- This dataset serves as a valuable resource for further analysis of fluid-structure interactions.
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