Advances in Rotorcraft Crashworthiness - Trends Leading to Improved Survivability [0.03%]
改进旋翼飞机的抗坠毁能力——提高生存率的技术发展趋势
Karen E Jackson
Karen E Jackson
This paper documents progress in rotorcraft crashworthiness research and development that has been realized during the past forty years. Trends are presented in several categories including: facilities and equipment for conducting crash tes...
Quieting a rib-framed honeycomb core sandwich panel for a rotorcraft roof [0.03%]
用于旋翼飞机机舱的带肋蜂窝夹层板的降噪技术
Stephen A Hambric,Micah R Shepherd,Noah H Schiller et al.
Stephen A Hambric et al.
A rotorcraft roof composite sandwich panel has been redesigned to optimize sound power transmission loss (TL) and minimize structure-borne sound for frequencies between 1 and 4 kHz where gear meshing noise from the transmission has the most...