|
|
|
Estela Barroso Barderas, Rafael Bardera Mora, Ángel Antonio Rodriguez-Sevillano and Juan Carlos Matías García
Bird tails play a key role in aerodynamics and flight stability. They produce extra lift for takeoff and landing maneuvers, enhance wing functions and maintain stability during flight (keeping the bird from yawing, rolling and pitching, or otherwise losi...
ver más
|
|
|
|
|
|
Andrés López-Sagarra, Andrés Baena-Raya, Miguel Á. Casimiro-Artés, Paulino Granero-Gil and Manuel A. Rodríguez-Pérez
This study aimed to describe the acceleration?speed (AS) profile of soccer players during competition and to analyse their seasonal changes and inter-player differences. The AS profile values (theoretical maximum acceleration (A0) and speed (S0)) of 14 e...
ver más
|
|
|
|
|
|
Alexey Lyubushin
Statistical properties of Earth surface tremors measured by means of GPS were investigated. This article considers measurements of the Earth?s surface displacements in three orthogonal directions relayed by a network of GPS sensors with about 1200 points...
ver más
|
|
|
|
|
|
Yong Chen, Yuhan Li, Jianfeng Yao, Guohui Shen, Wenjuan Lou, Haiwei Xu and Yong Guo
To achieve a comprehensive understanding of a three-dimensional (3D) wind field and the speed-up phenomenon in a downburst wind flow over a 3D hilly terrain, a succession of laboratory tests utilizing 12 hill models with cosine-squared cross-section was ...
ver más
|
|
|
|
|
|
Luís M. B. C. Campos and Joaquim M. G. Marques
The separation of aircraft in cruising flight in air corridors is based on the assurance of an extremely low probability of collision due to position inaccuracy caused by navigation errors, atmospheric disturbances, or other factors. The appropriate stan...
ver más
|
|
|