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Related Experiment Videos

Drop "impact" on an airfoil surface.

Zhenlong Wu1

  • 1School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China; Institute of Aerodynamics and Gas Dynamics, University of Stuttgart, Stuttgart 70569, Germany.

Advances in Colloid and Interface Science
|May 27, 2018
PubMed
Summary
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This study reviews the complex physics of drop impact on airfoils in two-phase flows, crucial for wind turbines and aircraft. It highlights challenges in modeling splash and film formation, and their effects on performance.

Area of Science:

  • Fluid dynamics
  • Aerodynamics
  • Two-phase flow

Background:

  • Drop impact on airfoils occurs in natural conditions like rain and icing.
  • This phenomenon involves complex nonlinear interactions and presents significant modeling challenges.

Purpose of the Study:

  • To present the state-of-the-art research on drop impact on airfoil surfaces.
  • To discuss flow physics, hazards, parameters, dynamics, and effects of drop impact.

Main Methods:

  • Review of existing literature on drop-laden two-phase flow.
  • Discussion of governing equations, focusing on raindrop splash and water film modeling.
  • Analysis of factors influencing drop impact dynamics and aerodynamic performance.

Main Results:

Keywords:
AirfoilDrop impactMultiphase flowSplashWater film

Related Experiment Videos

  • Identified key challenges in modeling raindrop splash and water film.
  • Summarized factors affecting drop impact dynamics.
  • Outlined the effects of drop impact on airfoil aerodynamic performance.

Conclusions:

  • Drop impact on airfoils is a critical area with complex physics and modeling challenges.
  • Future research should focus on improving models for splash and film, and developing mitigation strategies.
  • Understanding these effects is vital for enhancing the performance and safety of wind turbines and aircraft.