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The article presents the positive results of the works performed at the Institute of Aviation in Warsaw, associated with modernization of a highly manoeuvrable training jet aircraft to make it reach the standards of increased manoeuvrability. It is shown how the maximum increase of a standard training aircraft manoeuvrability was achieved, which was the result of a small modification of the structure, along with the minimal costs of modernization and qualification tests. The paper also presents the basic process of modernization related to the development of iterative methodology, which includes numerical selection of mechanization elements, that is, strakes, slots and flaps. The parameters of the performed aerodynamic model are demonstrated as well as the results of the tests of its properties with the selected types of strakes conducted in a low-cost aerodynamic tunnel of 1.5 m diameter with the use of a sixelement aerodynamic weight. Parameters of the selected type of strake model with Fowler flap and slots are shown, as well as the results of the tests performed on it in the aerodynamic tunnel of 5 m diameter, and also the results of the buffeting resistance tests conducted in a transonic tunnel. The paper also presents the parameters of the designed optimized strakes, flaps and slots in 1:1 scale, which were mounted onto the aircraft prototype. Finally, the article presents the results of the full cycle of in-flight tests, which confirmed the anticipated project objectives and obtaining of a significant increase in the aircraft manoeuvrability by 48%.
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
Strony
563--570
Opis fizyczny
Bibliogr. 19 poz., rys.
Twórcy
autor
- Institute of Aviation Al. Krakowska 110/114, 02-256 Warsaw, Poland tel.: +48 228460993, fax: +48 228464432
autor
- Institute of Aviation Al. Krakowska 110/114, 02-256 Warsaw, Poland tel.: +48 228460011, ext. 791, fax: +48 228464432
Bibliografia
- [1] Design Requirements for Aeroplanes for the Royal Air Force and Royal Navy. Air Publication 970. Part. 6, Aerodynamic and flight properties, 1956.
- [2] Design Requirements for Aeroplanes for the Royal Air Force and Royal Navy. Air Publication 970. Part. 9, Flight test – flight properties, 1956.
- [3] Gnarowski, W., Method for improving the manoeuvrability of a top-wing monoplane. Doctor Dissertation, Institute of Aviation, Warsaw 2014.
- [4] Goraj, Z., Dynamics and Aerodynamics of manoeuvring aircraft with elements of calculations, Scientific Library of IoA, Warsaw 2001.
- [5] Idzikowski, M., Lenort, F., Sandauer, J., The report from the handling characteristics tests of aircraft I-22 Serial No 1ANP01-05 at high speeds. Determining buffeting boundary, No. W300 – BL/836, Warsaw 1997.
- [6] Jóźwiak, R., Romicki, M., Aerodynamic research of „Iryda” aircraft I-22 model with strakes, Report No 181/BA/94/A, Warsaw 1994.
- [7] Kania, W., Aerodynamic characteristics of I-22 „Iryda” M96 aircraft model in wind tunnel tests. Summary elaboration, Report No 200/BA/96/A”, Warsaw 1996.
- [8] Kopp, C., F/A-18E/F Super Hornet vs. Sukhoi Flanker, Defence Today, Vol. 6, No. 1, April/May 2007.
- [9] Kopp, C., Goon, P., Assessing the Sukhoi PAK-FA, February 2010.
- [10] Michalak, K., Turn characteristics. The algorithm and the program, Report No 90/BP-A/89, Warsaw 1989.
- [11] Papierski, Z., Budzeń, B., Stępień, W., Report No OLL/472/W300/89 from flight test of the prototype aircraft W-300, Serial No 1ANP01-05, Mielec 1989.
- [12] Papierski, Z., Budzeń, B., Kucharski, R., Report No OLL/534/W300/91 from flight test of aircraft Serial No 1ANPO1-04 at high speed, Mielec 1991.
- [13] Protocol of the qualification tests of combat trainer aircraft I22 ,Iryda" basic version, Air Force Technical Institute, Warsaw 1991.
- [14] Wojtkowski, M., Papierski, Z., Świerczyński, Z., Report No LTO-6L/648/W 300/97 from the initial assessment of the impact of the first phase of modernization of the aircraft I-22 M-93K serial number 1ANP01-05 version M-96 on the airplane properties at low speeds, Mielec 1997.
- [15] Wojtkowski, M., Papierski, Z., Świerczyński, Z., Report No LTO-6L/664/M-96/97 from flight test of aircraft I-22 ,,Iryda”, serial No ANA 02-04, M-96 version , Mielec 1997.
- [16] Wojtkowski, M., Papierski, Z., Świerczyński, Z., Report No LTO-6L/665/M-96/97 from flight tests of I-22 ,,Iryda” aircraft, Serial No ANA 02-04, version M-96 after construction fine-tuning, Mielec 1997.
- [17] www.globalfirepower.com, March 2016.
- [18] Wysocki, Z., Jóźwiak, R., Romicki, M., Kania, W., Aerodynamic research of I-22 ,,Iryda” aircraft model in the 1.5 m wind tunnel. The directional stability of the selected strake variant, Report No 184/BA/95/A, Warsaw 1995.
- [19] Zwierchanowska, B., Krzysiak, A., Kania, W.: Tests of aerodynamic characteristics and the beginning of buffeting of the model airplane I-22 with strake S3/3 in wind tunnel N-3, Report No 106/BA/95/D, Warsaw 1995.
Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
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