Abstract
Uçan sistemlerin airfoillerinin profillerinin yapıları, basınç alanını, direnci ve buna bağlı olarak sistemlerin verimlerini, yakıtı, hatta yakıt nedeni ile çevreye olan etkilerini değiştirmektedir. Bu nedenle airfoillerin profillerinin dizaynı çok önemlidir. Ayrıca aynı sebepten dolayı, analitik çözümün ve yeni airfoillerin profillerinin alanyazına büyük katkısı olacaktır. Bu çalışmada, yeni airfoillerin profilleri tasarlanmış ve aerodinamiği analitik olarak potansiyel akım teorisine göre incelenmiştir. Burada yeni altı adet airfoillerin profilleri üretilerek katı cisim modellemesi ile dizayn edilmiştir. Önce bu farklı profillerin kompleks potansiyel fonksiyonları elde edilmiş ve daha sonra akım fonksiyonları çıkarılmıştır. Bunların akım çizgileri, hız dağılımları, basınç dağılımları bulunmuştur. Bu airfoillerin aerodinamiği karşılaştırılmıştır. Airfoillerin profillerinin katı cisimleri, etraflarındaki akım çizgileri, hız dağılımı ve üzerlerindeki basınç dağılımları Matlab programı ile gösterilmiştir
References
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- Janson, Carl E.., Potential flow panel method for calculattion of free surface flow with lift, Doctor Savhandlingar vid chalmers Tekniska Hogskola, 1997, 1277.
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- Nıng H., Nan-Peng Feng, Tan-Huı Wu, Cheng Zhang, Hao Wang, march 2015, Semi-analytical method for calculating aeroelastic effect of profiled rod flying at high velocity. Defence Technology, Volume 11, Issue 1, Pages 85-92
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Abstract
Airfoils’ structures of flying systems affects the pressure field, resistance, and accordingly the performance of the system, also the fuel and even changes the influence of fuel on environment. So the design of airfoils’ profiles are of importance. For this reason analytical solution and new profiles design are very big contribution for the literature. In this study the aerodynamic of new different airfoils’ profiles have been generated and analysed through the analytical potential flow theory. Here six new airfoils’ profiles have been designed by solid modelling after generating different sections. The firstly generated the complex potential functions of these different profiles and then stream functions of them have been derivated. Streamlines of flow, velocity and pressure distribution of the airfoils’ profiles have been determined. Aerodynamics of the airfoils’ profiles have been compared. Solid modelling of airfoils’ profiles, streamlines of flow, velocity field and pressure distribution around them have been illustrated with Matlab
References
- Cook M.V., 2007. Flying and Handling Qualities . Flight Dynamic Principles (Second Edition), Pages 240-273
- Janson, Carl E.., Potential flow panel method for calculattion of free surface flow with lift, Doctor Savhandlingar vid chalmers Tekniska Hogskola, 1997, 1277.
- Lock R.C., Brıdgewater J., 1967, Theory of aerodynamic design for swept-winged aircraft at transonic and supersonic speeds Progress in Aerospace Sciences,Volume 8, Pages 139-228
- LI J., Gao Z., Huang J., K Zhao K. August 2013 Aerodynamic nacelle/pylon position on an aircraft. Chinese Journal of Aeronautics,Volume 26, Issue 4,Pages 850-857 optimization of
- Mukesh R., Pandıyarajan R., Selvakumar U., Lıngaduraı K. 2012 Influence of Search Algorithms Optimisation of Aircraft Wings Procedia Engineering,Volume 38,2012, Pages 2155-2163
- Schroeder L.M., Wolff J.M., Fleeter S. 1989. Locally analytical prediction of the viscous aerodynamics of an oscillating flat plate airfoil Mathematical Volume 12, Issue 6, Pages 707-719 Modelling,
- Nıng H., Nan-Peng Feng, Tan-Huı Wu, Cheng Zhang, Hao Wang, march 2015, Semi-analytical method for calculating aeroelastic effect of profiled rod flying at high velocity. Defence Technology, Volume 11, Issue 1, Pages 85-92
- Suner M., Sınırlı olmayan akışkan ortamda uçan iki boyutlu yüzey airodinamiğinin analitik analizi, Uluslararası Konferansı, Temmuz 2015, Istanbul Havacılık
- Suner M. 2015 Modeling of flow around a solid body in free and restricted fluidal mediums, chapter by Springer
- Suner M., Salci S.A., Yigit K.S., Kandemir Ilyas. 2015. Analytical analysis of hydrodynamics of the perforated Rankine oval, ocean engineering, 108, 227-240
- Reckzeh D., March 2003 Aerodynamic design of the high-lift-wing for a Megaliner aircraft. Aerospace Science and Technology,Volume 7, Issue 2, , Pages 107-119
- Wolff J.M., Fleeter S., 1990. Viscous unsteady gust aerodynamics of a flat plate airfoil by a locally Analytical method.Computers & Mathematics with Applications,Volume 19, Issue 6, 1990, Pages 27-36
Details
| Other ID | JA98JB98MC |
|---|---|
| Journal Section | Research Article |
| Authors | |
| Publication Date | March 1, 2016 |
| Published in Issue | Year 2016 Volume: 1 Issue: 1 |