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The present study experimentally investigates the impact dynamics of water drops on a superhydrophobic surface (SHS). The study delves into creating SHSs that replicate the water-repellent properties of lotus leaves, employing a simple method for surface preparation. The current procedure involves utilizing spray coating techniques with a commercially available hydrophobic solution NeverWet. The current research focuses on exploring the behavior of impacting water drops on an overhead projected sheet surface treated with NeverWet. The key features of drop impact dynamics, maximum spreading and rebounding dynamics, on the prepared SHS are compared against those exhibited by other SHSs documented in existing literature.

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Drop Impact on Superhydrophobic Surfaces: Comparison of Maximum Spreading, Contact Time, and Coefficient of Restitution

  • 会议论文

  • 发表日期：

    2025年

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  • Kumar Gaurav,
  • S. Deivandren

摘要

The present study experimentally investigates the impact dynamics of water drops on a superhydrophobic surface (SHS). The study delves into creating SHSs that replicate the water-repellent properties of lotus leaves, employing a simple method for surface preparation. The current procedure involves utilizing spray coating techniques with a commercially available hydrophobic solution NeverWet. The current research focuses on exploring the behavior of impacting water drops on an overhead projected sheet surface treated with NeverWet. The key features of drop impact dynamics, maximum spreading and rebounding dynamics, on the prepared SHS are compared against those exhibited by other SHSs documented in existing literature.