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2018, vol. 68, br. 3, str. 31-36
Sistem za merenje prigušnih derivativa u aerotunelu T-38 metodom prinudnih oscilacija
Vojnotehnički institut - VTI, Beograd

e-adresamajasam@ptt.rs
Sažetak
U ovom radu opisan je sistem za merenje prigušnih derivativa pri oscilatornom kretanju modela letelice u radnom delu aerotunela. Metoda prinudnih oscilacija koristi se za merenje dinamičkih derivativa stabilnosti u aerotunelu T-38. Prikazani su uređaji koji se koriste u eksperimentima sa oscilatornim kretanjem modela u ravni propinjanja/skretanja i valjanja. Model se pobuđuje da vrši oscilatorno kretanje pomoću hidrauličnog pogonskog mehanizma. Željeno oscilatorno kretanje modela obezbeđuje se pomoću kontrolne jedinice koja upravlja radom hidrauličnog servo ventila.
Reference
*** 30 series micro servo valves. http://www.moog.com/content/dam/moog/literature/ICD/Moog-Valves-30series-datasheet-en.pdf
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Hanff, E.S. (1981) Direct forced-oscillation techniques for the determination of stability derivatives in wind tunnels. Brussels: NATO Research and Technology Organization-Advisory Group for Aerospace Research and Development, AGARD-LS- 114
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Samardžić, M., Anastasijević, Z., Marinkovski, D., Isaković, J., Tančić, L. (2012) Measurement of pitch- and roll-damping derivatives using the semiconductor five-component strain gauge balance. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 226(11): 1401-1411
Samardžić, M., Isaković, J., Miloš, M. (2014) Experimental methodology for determining stability derivatives in the T-38 wind tunnel. u: Proc. 31st Danubia-Adria Symposium on Advances in Experimental Mechanics, Kempten Germany, pp. 102-105
Samardžić, M., Vuković, Đ., Marinkovski, D. (2012) Experiments in VTI with semiconductor strain gauges on monoblock wind tunnel balances. u: 8th International Symposium on Strain-Gauge Balance, RUAG, Lucerne, Switzerland, Proc, pp. 1-8
Samardžić, M., Isaković, J., Anastasijević, Z., Marinkovski, D. (2013) Apparatus for measurement of pitch and yaw damping derivatives in high Reynolds number blowdown wind tunnel. Measurement, 46(8): 2457-2466
Tomek, D.M., Sewall, W.G., Mason, S.E., Szchur, B.W.A. (2006) The next generation of high-speed dynamic stability wind tunnel testing. u: Proc. 25th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, San Francisco, California, (invited), pp. 1-19, Paper no. AIAA 2006-3148
Vuković, Đ., Ćurčić, D., Marinkovski, D., Damljanović, D., Samardžić, M., Vitić, A. (2014) Living with supersonic starting loads in the T-38 Trisonic Wind Tunnel of VTI. u: Proc. 29th Congress of the International Council of the Aeronautical Sciences, St. Petersburg, Russia, pp. 1-9
 

O članku

jezik rada: engleski
vrsta rada: neklasifikovan
DOI: 10.5937/str1803031S
objavljen u SCIndeksu: 04.04.2019.
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