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2013, vol. 41, br. 3, str. 189-194
Merenje prigušnog derivativa stabilnosti u valjanju na dva kalibraciona modela rekete
aVojnotehnički institut - VTI, Beograd
bUniverzitet u Beogradu, Mašinski fakultet
cPPT-Engineering, Belgrade

e-adresamajasam@ptt.rs
Projekat:
Projekat Ministarstva nauke Republike Srbije, br. TR 36050

Sažetak
U ovom radu opisano je merenje prigušnog derivativa stabilnosti u valjanju u aerotunelu T- 38. Prikazani su rezultati dobijeni na dva kalibraciona modela: Basic Finner Model i Modified Basic Finner Model. Uređaj za merenje derivativa stabilnosti je uređaj sa prinudnim oscilacijama modela i to sa primarnim oscilatornim kretanjem u ravni valjanja. Pobudni moment u valjanju meren je petokomponentnom aerovagom sa mernim trakama. Ova aerovaga je projektovana i izrađena za dinamička aerotunelska merenja. Amplitude i fazni stavovi pobudnog momenta određeni su u frekventnom domenu primenom kros-korelacione metode. Rezultati dobijeni u aerotunelu T-38 upoređeni su sa objavljenim eksperimentalnim rezultatima dobijenim u Arnold Engineering Development Center-von Karman 4ft aerotunelu.
Reference
Anastasijević, Z., Samardžić, M., Marinkoviski, D. (2008) Application of semiconductor strain gauges in measurements of dynamic stability derivatives in the T-38 wind tunnel. u: Proceedings of the 26th Congress of the International Council of the Aeronautical Sciences, 14-19.09.2008, Anchorage, USA
Elfstrom, G.M., Medved, B. (1986) The Yugoslav 1.5m trisonic blowdown wind tunnel. AIAA, Paper 86-0746-CP
Murman, S.M. (2005) A reduced-frequency approach for calculating dynamic derivatives. u: AIAA aerospace sciences meeting, (43rd), Jan. 10-13, Reno, NV
Orlik-Rückeman, K.J. (1981) Review of techniques for the determination of dynamic stability parameters in wind tunnels. u: AGARD-LS-114. The Advisory Group for the Aerospace Research and Development, NATO Research and Technology Organization, Brussels, Belgium
Samardžić, M., Anastasijević, Z., Marinkovski, D., Isaković, J., Tančić, L. (2011) Measurement of pitch and roll-damping derivatives using the semiconductor five-component strain gauge balance. Proceedings of the Institution of Mechanical Engineerings, Part G: Journal of Aerospace Engineering, December 7, 2011, doi: 10.1177/0954410011424016, 1-11
Samardžić, M., Vuković, Đ., Marinkovski, D. (2012) Experiments in VTI with semiconductor strain gauges on monoblock wind tunnel balances. u: Proceedings of the 8th International Symposium on Strain-Gauge Balances, 05. 2102, Lucerne, pp. 1-8. 7-10
Samardžić, M., Anastasijević, Z., Marinkoviski, D. (2007) Eksperimentalni rezultati merenja aerodinamičkih derivativa stabilnosti u subsoničnoj oblasti brzina u aerotunelu T-38 prinudnim oscilacijama. Scientific Technical Review, vol. 57, br. 3-4, str. 83-86
Tobak, M., Stiff, L.B. (1981) Aerodynamic mathematical modeling-basic concepts, AGARD- LS-114. Brussels, Belgium: The Advisory Group for Aerospace Research and Development
Tobak, M., Schiff, L.B. (1976) On the formulation of the aerodynamic characteristics in aircraft dynamics, NASA TR R-456. Washington: The National Aeronautics and Space Administration, District of Columbia
Uselton, B.L., Jenke, L.M. (1977) Experimental Missile Pitch- and Moll-Damping Characteristics at Large. Journal of Spacecraft and Rockets, 14(4): 241-247
 

O članku

jezik rada: engleski
vrsta rada: neklasifikovan
objavljen u SCIndeksu: 02.09.2013.
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