Fundamental Experiments on Spark Temperature Measurement During Collision Between Small UAV Propeller and Protective Goggles. - Kosuke Yoshizaki; Hiroki Igarashi; Miguel Angel Salinas Escamilla; Ayumu Miyahara; Toshiro Hoshi; Kengo Takahashi; Toshiyuki Katsumi; Satoshi Kadowaki; Tetsuya Kimura (SSRR, 2023)