The effect of normal electric fields on the Stokes drift
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866912486532317184 |
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| author | Palacio, Luiz P. Flamarion, Marcelo V. Gao, Tao Ribeiro-Jr, Roberto |
| author_facet | Palacio, Luiz P. Flamarion, Marcelo V. Gao, Tao Ribeiro-Jr, Roberto |
| contents | In periodic wave motion, particles beneath the wave undergo a drift in the direction of wave propagation, a phenomenon known as Stokes drift. While extensive research has been conducted on Stokes drift in water wave flows, its counterpart in electrohydrodynamic flows remains relatively unexplored. Addressing this gap, we investigate Stokes drift beneath periodic traveling irrotational waves on a dielectric fluid under the effect of normal electric fields. Through numerical simulations utilizing conformal mapping, we compute particle trajectories and analyze the resultant Stokes drift behaviors beneath periodic traveling waves. Our findings indicate that variations in the electric field impact particle velocities while maintaining trajectory shapes. Moreover, the kinetic energy associated with a particle depends on its depth location and is a non-decreasing convex function in a laboratory frame and a constant in a moving frame, as observed in water wave flows. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_11129 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The effect of normal electric fields on the Stokes drift Palacio, Luiz P. Flamarion, Marcelo V. Gao, Tao Ribeiro-Jr, Roberto Fluid Dynamics In periodic wave motion, particles beneath the wave undergo a drift in the direction of wave propagation, a phenomenon known as Stokes drift. While extensive research has been conducted on Stokes drift in water wave flows, its counterpart in electrohydrodynamic flows remains relatively unexplored. Addressing this gap, we investigate Stokes drift beneath periodic traveling irrotational waves on a dielectric fluid under the effect of normal electric fields. Through numerical simulations utilizing conformal mapping, we compute particle trajectories and analyze the resultant Stokes drift behaviors beneath periodic traveling waves. Our findings indicate that variations in the electric field impact particle velocities while maintaining trajectory shapes. Moreover, the kinetic energy associated with a particle depends on its depth location and is a non-decreasing convex function in a laboratory frame and a constant in a moving frame, as observed in water wave flows. |
| title | The effect of normal electric fields on the Stokes drift |
| topic | Fluid Dynamics |
| url | https://arxiv.org/abs/2408.11129 |