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Swirling Fluid Reduces the Bounce of Partially Filled Containers
Klebbert Andrade1, Javiera Catalán1, Juan F Marín2
1Departamento de Física, Facultad de Ciencia, Universidad de Santiago de Chile, Av. Víctor Jara 3493, Estación Central, Santiago, Chile.
Physical Review Letters
|June 30, 2023
Summary
Container bounce can be reduced by controlling internal water distribution. Experimentally, rotating partially filled containers efficiently alters water patterns, significantly impacting bounce dynamics and enabling a predictive model.
Area of Science:
- Fluid dynamics
- Physics of impact and bounce
- Container dynamics
Background:
- The impact and subsequent bounce of partially filled containers are influenced by internal fluid behavior.
- Specific spatial distributions of water can lead to a significant reduction in bounce height.
- Understanding and controlling these distributions is key to manipulating container dynamics.
Purpose of the Study:
- To investigate the effect of controlled water distribution on container bounce.
- To demonstrate the efficacy of rotation in achieving desired water configurations.
- To develop a model explaining the observed fluid-dynamic phenomena during bounce.
Main Methods:
- Experimental manipulation of water distribution in partially filled containers using controlled rotation.
- High-speed imaging to capture the fluid dynamics during the bounce.
- Development of a physical model based on experimental observations.
Main Results:
- Rotation provides an efficient method for controlling the spatial distribution of water within containers.
- Altering water distribution via rotation markedly changes the bounce characteristics of the container.
- High-speed imaging revealed complex fluid-dynamic processes governing the bounce reduction.
Conclusions:
- Controlled fluid distribution is a critical factor in reducing container bounce.
- Rotational manipulation offers a practical and effective means to achieve this control.
- The developed model successfully captures the observed fluid-dynamic phenomena and experimental outcomes.
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