US Patent Issued to Southern Methodist University on Nov. 4 for "Fluid entrapment via perforated surfaces for drag reduction" (Texas Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,603, issued on Nov. 4, was assigned to Southern Methodist University (Dallas).

"Fluid entrapment via perforated surfaces for drag reduction" was invented by Paul S. Krueger (Plano, Texas), David A. Willis (Dallas), Haosen Tan (Dallas) and Denise Cox (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A reduced drag surface involves a perforated or porous surface exposed to a flowing fluid and a slip interface disposed between the surface and the flowing fluid, wherein the slip interface is formed from an entrapped fluid trapped at the surface. A method for modifying a drag coefficient on a reduced drag surface involves the steps of supplying a flu...