Attitude measurements of reference projectiles are required in order to validate numerical aerodynamic simulations as well as dedicated numerical tools for the aerodynamic coefficient determination, based on a 6 degrees of freedom (DoF) data reduction. In this context we recently performed firing campaigns with a well-known reference projectile called “basic finner” (BF) [1], [2]. In comparison to the previous work [1], [2] in which shadow graphs were taken in firing tunnels, the BF is now instrumented with onboard attitude sensors and free-flight data is transmitted in real time to a receiving station. Telemetry for projectiles has been an issue for a long time [3], and progress has been made continuously throughout the years, with wider bandwidth and higher frequencies [4]–[14] in specialized centers of many countries (mainly, but not exclusively by the Army Research Laboratory (ARL) in the USA, and the French-German Research Institute of Saint- Louis (ISL) in France). D-fuze [10] is a patented measurement system integrating attitude sensors, acquisition electronics, and transmitter in a fuze (NATO-compatible shape), for large caliber projectiles and firing ranges; many U.S. development programs benefited from this advance in technology during the last decade. In [11], a miniaturized electronic of diameter 18 mm was used onboard a kinetic projectile in combination with specific equipment dedicated to telemetry reception.
Instrumentation of the basic finner reference projectile for attitude measurements at supersonic velocities
IEEE Aerospace and Electronic Systems Magazine ; 31 , 2 ; 32-40
2016-02-01
4090794 byte
Article (Journal)
Electronic Resource
English
Virtual flight numerical simulation of the basic finner projectile with closed loop
Online Contents | 2014
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