An introduction to turbulence by Javier Jiménez

By Javier Jiménez

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2 is the 50 mm two-stage light gas gun and 200 m test chamber at Hypervelocity Aerodynamics Institute (HAI) of China Aerodynamics Research and Development Center (CARDC). g. the chamber pressure; then the test model or projectile was launched at a pre-set muzzle velocity into the test chamber. If the test is to obtain aerodynamic or aero-thermodynamic properties Ballistic Range 25 Fig. 1 Schematic of hypervelocity ballistic range Fig. 2 Two-stage light gas gun (upper) and test chamber (lower) of 200 m free flight ballistic range at CARDC of the model, parameters such as flight velocity, flow field structure, optical emission, and even surface pressure and heat flux would be measured during the model’s flight.

Ballistic range and aerothermodynamic testing. J. Aircr. 28(7) (1991) 8. : The ballistic range—Its role and future in aerothermodynamic testing, AIAA 1992-3996 9. : Design of hypersonic test facilities, Press House of Defense Industry (of China) (2001) 10. : Advanced hypersonic test facilities. AIAA series of Progress in Astronautics and Aeronautics, vol. 138 (2002) 11. Impact and lethality Testing[EB/OL]. mil 12. : Upgrade of the ballistic range facilities at AEDC: now complete. AIAA-94-2493 13.

During the 1930s, researchers of US Army Ballistic Research Laboratory (BRL) at Aberdeen Proving Ground started pioneering work on advanced measurement techniques of high speed projectiles. H. C. Charters and their colleagues developed techniques, such as spark shadowgraph and sequential imaging, which could record the flight of projectile with great precision. All these newly developed measurement instrumentations were adopted in the first aerodynamic ballistic range at BRL in 1943. “The range was recognized as the prototype for similar installations within the United States and abroad” [1].

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