Substantial drag reduction in turbulent flow using liquid-infused surfaces
Substantial drag reduction in turbulent flow using liquid-infused surfaces
Experiments are presented that demonstrate how liquid-infused surfaces can reduce turbulent drag significantly in Taylor-Couette flow. The test liquid was water, and the test surface was composed of square microscopic grooves measuring 100 $\mu$m to 800 $\mu$m, filled with alkane liquids with viscosities from 0.3 to 1.4 times that of …