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Effects of surface roughness on water droplet impact history and heat transfer regimes

J. Bernardin ; C. Stebbins ; I. Mudawar | 1997

The present study explored the effects of surface roughness on droplet impact and ensuing heat tranfer over broad ranges of Weber number and surface temperature.

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Mapping of impact and heat transfer regimes of water drops impinging on a polished surface

J. Bernardin ; C. Stebbins ; I. Mudawar | 1997

Still and high-speed photographic techniques were used to record the impact behavior of water droplets on a hot aluminum surface. Drop velocity and surface temperature were two important parameters governing both the impact behavior and ensuing [...]

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