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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-1fe03244-09f8-4805-9e1a-1c6bb936e5da

Czasopismo

Journal of KONES

Tytuł artykułu

Ground effect influence on the aerodynamic characteristics of ultralight high-wing aircraft : wind tunnel tests

Autorzy Placek, R.  Ruchała, P.  Stryczniewicz, W. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN The ground proximity may significantly improve the performance of the aircraft, but in some conditions, it affects its stability. The gain of lift which and reduction of drag during low altitude flight is known as the wing in ground effect (WIG effect). It may concern aircrafts or WIG-crafts (ground effect vehicles). In the article experimental results of the wind tunnel test of an aircraft in ground effect has been presented. The main aim of the test was to investigate the ground effect influence on aerodynamic characteristic of the of the ultralight high-wing aircraft model during early take off, taxiing or final landing stage. Investigation was carried out in the 1.5 m diameter low speed T-1 wind tunnel in the Institute of Aviation in Warsaw. The velocity was 32 m/s and Reynolds number related to the aerodynamic chord was equal about 0.37·106. Tests were performed for chosen angles of attack in range 0-10⁰. During investigation, the strain gauge balance measurements and Particle Image Velocimetry (PIV) flow visualization technique were applied. Tested model position was relatively close to the ground. It was found, that the ground proximity has significant influence on the pitching moment. The normal force was increased and the axial force is decreased due to the WIG effect, which is compatible with the theory. It has significant meaning for control aircraft issue and safety.
Słowa kluczowe
EN ground effect   aerodynamic characteristics   high-wing ultralight aircraft   wind tunnel research  
Wydawca Institute of Aviation
Czasopismo Journal of KONES
Rocznik 2017
Tom Vol. 24, No. 2
Strony 183--190
Opis fizyczny Bibliogr. 22 poz., rys.
Twórcy
autor Placek, R.
  • Institute of Aviation, Department of Aerodynamics, Krakowska Av. 110/114, 02-256 Warszawa, Poland tel.: +48 22 846 00 11 ext. 360, 312, robert.placek@ilot.edu.pl
autor Ruchała, P.
  • Institute of Aviation, Department of Aerodynamics, Krakowska Av. 110/114, 02-256 Warszawa, Poland tel.: +48 22 846 00 11 ext. 360, 312, pawel.ruchala@ilot.edu.pl
autor Stryczniewicz, W.
  • Institute of Aviation, Department of Aerodynamics, Krakowska Av. 110/114, 02-256 Warszawa, Poland tel.: +48 22 846 00 11 ext. 360, 312, wit.stryczniewicz@ilot.edu.pl
Bibliografia
[1] Abramowski, T., Numerical Investigation of Airfoil in Ground Proximity, Journal of Theoretical and Applied Mechanics, Vol. 45, No. 2, pp. 425-436, Warszawa 2007.
[2] Adrian, R. J., Twenty Years Of Particle Image Velocimetry, Experiments in Fluids, Vol. 39, pp. 159-169, 2005.
[3] Ahmed, N. A., Goonaratne, J., Lift Augmentation of a Low-Aspect-Ratio Thick Wing in Ground Effect, Journal of Aircraft, Vol. 39, No. 2, pp. 381-384, 2002.
[4] Ahmed, M. R., Flow Over Thick Airfoils in Ground Effect – An Investigation on the Influence of Camber, Proceedings of the 24th International Congress of the Aeronautical Sciences, pp. 1-10, Yokohama, Japan 2004.
[5] Amir, M. A. U., Maimun, A., Mat, S., Saad, M. R., Wing in Ground Effect Craft: A Review of the State Of Current Stability Knowledge, Proceedings of the International Conference on Ocean, Mechanical and Aerospace For Scientists and Engineer (OMAse 2016), pp. 277-290, Terengganu, Malaysia 2016.
[6] Amir, M. A. U., Maimun, A., Mat, S., Saad, M. R., Computational analysis of aerodynamic characteristics for wing in ground effect craft in lateral stability, AEROTECH VI –Innovation in Aerospace Engineering and Technology, IOP Conf. Series: Materials Science and Engineering, Vol. 152, 2016.
[7] Ando, S., Critical Review of Design Philosophies for Recent Transport WIG Effect Vehicles, Transaction of Japan Society for Aeronautical and Space Sciences., vol. 33, pp. 28-40, 1990.
[8] Chawla, M. D., Edwards, L. C., Franke, M. E., Wind-Tunnel Investigation of Wing-In-Ground Effect, Journal of Aircraft, Vol. 27 No. 4, pp. 289-293, 1990.
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[13] Kornev, N., Matveev, K., Complex Numerical Modeling of Dynamics a Crashes of Wing-in- Ground Vehicle, AIAA 2003-600, presented at 41st Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2003.
[14] Ollila, R. G., Historical Review of WIG Vehicles, Journal of Hydronautics, Vol. 14, No. 3, pp. 65-76, 1980.
[15] Raymond, A., Ground Influence on Airfoils, NAC Technical Note No. 67, 1921.
[16] Reid, E., A Full Scale Investigation of Ground Effect, NACA Technical Report No. 265, 1927.
[17] Rozhdestvensky, K. V., Wing-In-Ground Effect Vehicles, Progress in Aerospace Sciences, Vol. 42, No. 3, pp. 211-283, 2006.
[18] Recant, I. G., Wind-Tunnel Investigation of Ground Effect on Wing With Flaps, NACA Technical Note No. 705, 1939.
[19] Ruchała, P., System pomiarowo-sterujący tunelu aerodynamicznego T-1, Prace Instytutu Lotnictwa, Vol. 232, pp. 65-80, Warszawa 2013.
[20] Staufenbiel, R. W., Schlichting, U. J., Stability of airplanes in ground effect, Journal of Aircraft, Vol. 25, No. 4, pp. 289-294, 1988.
[21] Stryczniewicz, W., Development of Particle Image Velocimetry Algorithm, Problems of Mechatronics, Vol. 9, pp. 41-54, 2012.
[22] Surmacz, K., Ruchała, P., Stryczniewicz, W., Wind tunnel tests of the development and demise of Vortex Ring State of the rotor, Advances in Mechanics: Theoretical, Computational and Interdisciplinary Issues, Proceedings of the 3rd Polish Congress of Mechanics (PCM) and 21st International Conference on Computer Methods in Mechanics (CMM), Gdansk, Poland, 8-11 September 2015, CRC Press, pp. 551-554, 2016.
Uwagi
PL Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-1fe03244-09f8-4805-9e1a-1c6bb936e5da
Identyfikatory
DOI 10.5604/01.3001.0010.2931