The Analysis of Aerodynamic Performance on the Flapping Wings
碩士 === 國立成功大學 === 航空太空工程學系碩博士班 === 93 === A numerical method is developed to study the flapping wing flowfields. The method uses finite-volume method to solve the Euler equation. A diagonal dominant alternating direction implicit scheme (DDADI) coupling with an implicit residual smoothing is used...
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ndltd-TW-093NCKU52950502017-06-03T04:41:18Z http://ndltd.ncl.edu.tw/handle/91176404150986268419 The Analysis of Aerodynamic Performance on the Flapping Wings 振翅翼之空氣動力分析 Shao-Fu Wang 王少甫 碩士 國立成功大學 航空太空工程學系碩博士班 93 A numerical method is developed to study the flapping wing flowfields. The method uses finite-volume method to solve the Euler equation. A diagonal dominant alternating direction implicit scheme (DDADI) coupling with an implicit residual smoothing is used for the time integration to achieve fast convergence of the proposed scheme. The upwind scheme is a MUSCL-type scheme. For aerodynamic performance on the flapping wings. Body of NACA0018 airfoil and wing of NACA2412 airfoil are chosen for studing. Quantitative understanding the effects of the flapping frequency, mean angle of attack, pitching angle and wing shape are calculated. There is a better propulsion efficiency at reduce frequency of. Reversed trapezoidal wing has a better propulsion efficiency than Rectangular wing and trapezoidal wing. San-Yih Lin 林三益 2005 學位論文 ; thesis 79 zh-TW |
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碩士 === 國立成功大學 === 航空太空工程學系碩博士班 === 93 === A numerical method is developed to study the flapping wing flowfields. The method uses finite-volume method to solve the Euler equation. A diagonal dominant alternating direction implicit scheme (DDADI) coupling with an implicit residual smoothing is used for the time integration to achieve fast convergence of the proposed scheme. The upwind scheme is a MUSCL-type scheme.
For aerodynamic performance on the flapping wings. Body of NACA0018 airfoil and wing of NACA2412 airfoil are chosen for studing. Quantitative understanding the effects of the flapping frequency, mean angle of attack, pitching angle and wing shape are calculated. There is a better propulsion efficiency at reduce frequency of. Reversed trapezoidal wing has a better propulsion efficiency than Rectangular wing and trapezoidal wing.
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author2 |
San-Yih Lin |
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San-Yih Lin Shao-Fu Wang 王少甫 |
author |
Shao-Fu Wang 王少甫 |
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Shao-Fu Wang 王少甫 The Analysis of Aerodynamic Performance on the Flapping Wings |
author_sort |
Shao-Fu Wang |
title |
The Analysis of Aerodynamic Performance on the Flapping Wings |
title_short |
The Analysis of Aerodynamic Performance on the Flapping Wings |
title_full |
The Analysis of Aerodynamic Performance on the Flapping Wings |
title_fullStr |
The Analysis of Aerodynamic Performance on the Flapping Wings |
title_full_unstemmed |
The Analysis of Aerodynamic Performance on the Flapping Wings |
title_sort |
analysis of aerodynamic performance on the flapping wings |
publishDate |
2005 |
url |
http://ndltd.ncl.edu.tw/handle/91176404150986268419 |
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