What question did this study set out to answer?

To investigate the physics of droplet dispersion and atomization influenced by wake turbulence from vehicle splashes.

May 6, 2026Physics of Fluids

Numerical investigation of droplet dispersion and atomization in the wake turbulence of an isolated rotating wheel splash

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Authors

LXLi XinJiangsu University WTWeichen TangJiangsu University LLLihua LiuJilin University

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Implication

Numerical analysis reveals that wake turbulence significantly affects droplet dispersion and shear forces, indicating implications for vehicle safety in wet conditions.

Key Points

To investigate the physics of droplet dispersion and atomization influenced by wake turbulence from vehicle splashes.
Utilized delayed detached eddy simulation turbulence model
Applied Lagrangian particle tracking for droplet transport
Implemented proper orthogonal decomposition for vortex analysis
Conducted simulations at various speeds and droplet sizes
Increased vehicle speed enhances droplet dispersion and breakup probability
Larger droplet diameters lead to higher breakup rates due to intensified droplet–vortex interactions
POD analysis shows a notable drop in energy modes with increased speed
Identified a critical droplet diameter (~0.3 mm) for flow stability

Cite This Study

Xin et al. (2026) studied this question.

synapsesocial.com/papers/69fa979b04f884e66b531718 https://doi.org/10.1063/5.0323501

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Implication

Numerical analysis reveals that wake turbulence significantly affects droplet dispersion and shear forces, indicating implications for vehicle safety in wet conditions.

Numerical investigation of droplet dispersion and atomization in the wake turbulence of an isolated rotating wheel splash

Discussion

Member takes

Implication

Key Points

Cite This Study

Numerical investigation of droplet dispersion and atomization in the wake turbulence of an isolated rotating wheel splash

Discussion

Member takes

Implication

Key Points

Cite This Study

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