ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,110, issued on June 30, was assigned to SHIJIAZHUANG TIEDAO UNIVERSITY (Shijiazhuang, China).

"Method and system for calculating aerodynamic force of wind turbine airfoil under different turbulence intensities" was invented by Qingkuan Liu (Shijiazhuang, China), Menghao Lv (Shijiazhuang, China), Yaya Jia (Shijiazhuang, China), Chao Gao (Shijiazhuang, China), Huaiyu Zhao (Shijiazhuang, China), Anjie Chen (Shijiazhuang, China) and Nian Liu (Shijiazhuang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method and system for calculating aerodynamic force of a wind turbine airfoil under different turbulence intensit...