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Investigating hierarchical nested riblet technology as a method to decrease turbulent drag – AIP.ORG


Researchers have been investigating ways to reduce turbulent drag in order to improve the aerodynamic performance of vehicles and structures. One promising technology that has gained attention is hierarchical nested riblet technology. This technology involves creating microscopic grooves on a surface, inspired by ribbed structures found in nature like shark skin.

These riblets create a series of small vortices that help reduce turbulent drag by disrupting the flow of air or water over the surface. The hierarchical nested riblet technology takes this concept a step further by creating multiple layers of riblets with varying heights and angles. This design allows for more effective control of turbulence and drag reduction.

In a recent study published in AIP Advances, researchers explored the potential of hierarchical nested riblet technology for reducing turbulent drag. They used computational fluid dynamics simulations to analyze the performance of different riblet configurations and compared them to traditional single-layer riblets.

The results showed that the hierarchical nested riblet technology outperformed the single-layer riblets in reducing turbulent drag. The multiple layers of riblets were able to more effectively control the flow of air and reduce drag, leading to improved aerodynamic performance.

This research has implications for a wide range of industries, including aerospace, automotive, and marine engineering. By incorporating hierarchical nested riblet technology into their designs, manufacturers could potentially improve the fuel efficiency and overall performance of their products.

Overall, the study highlights the potential of hierarchical nested riblet technology as a promising solution for reducing turbulent drag and improving aerodynamic performance. Further research is needed to optimize the design and application of this technology in real-world settings.

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