Národní úložiště šedé literatury Nalezeno 1 záznamů.  Hledání trvalo 0.01 vteřin. 
External ballistics of airgun projectiles
Melichar, Tomáš ; Strouhalová, Jitka (oponent) ; Průša, Stanislav (vedoucí práce)
Throughout the paper, the reader is introduced to basic concepts and issues of exterior ballistics. Considering the problem stiffness, a suitable model of atmosphere is determined and combined with the optimal method of ballistic trajectories numerical modeling. Using PRODAS V3 software a basic aerodynamical characteristics of the small caliber reference projectile (diabolo type) model are estimated. Detailed attention is given to the description of the measurement platform, its errors, and optimization. Based on the experimental measurements of the given standard projectile, a new drag law JSBE is determined. The results between numerical solutions and real measurements are compared against measured drag law JSBE, G1/GA drag law, and software PRODAS V3 drag law estimation.

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