INVESTIGATION OF INDUCED VELOCITY AND LIFT SENSITIVITY ANALYSIS IN BLADE ELEMENT THEORY FOR SIMULATION OF FLAPPING WING IN HOVERING FLIGHT

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ZAREI AMIRHOSSEIN; DJAVARESHKIAN MOHAMMAD HASSAN

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Journal: Modares Mechanical Engineering Year:2016 | Volume:15 | Issue:10 Page(s): 212-224

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Title

INVESTIGATION OF INDUCED VELOCITY AND LIFT SENSITIVITY ANALYSIS IN BLADE ELEMENT THEORY FOR SIMULATION OF FLAPPING WING IN HOVERING FLIGHT

Author(s)

ZAREI AMIRHOSSEIN | DJAVARESHKIAN MOHAMMAD HASSAN | Issue Writer Certificate

Keywords

FLAPPING WINGQ2

BLADE ELEMENT THEORYQ2

ADDED MASS FORCEQ2

ROTATIONAL FORCEQ2

INDUCED VELOCITYQ2

Abstract

In the first part of this study the methods of direct and indirect entering the effect of INDUCED VELOCITY in BLADE ELEMENT THEORY to achieve lift force in hover flight of Drosophila flapping insect are investigated. Then a new algorithm for INDUCED VELOCITY correction based on Rankin-Froude jet theory and direct method is presented. The results of both previous and new methods to aerodynamic simulation of this insect in hovering flight with combined flapping and pitching angles were compared with published experimental results. The results of this comparison indicate one of the models based on the indirect method as the best way to predict the experimental results. In the second part of this work, the sensitivity of the instantaneous and mean force, produced by insect modeled wing, is examined with change in six wing important motion parameters. These parameters include: flapping frequency, phase difference between flapping and pitching angle, flapping and pitching amplitudes and flapping and pitching variations with respect to time in flapping cycle. The results show that with increasing frequency and flapping amplitude lift gradually increases. Also, range of phase difference percentage between flapping and pitching angle that leads to maximum lift of the wings is introduced. Results also show that sinusoidal variation of flapping angle in the cycle has more lifts than rectangular variation.

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APA: Copy

ZAREI, AMIRHOSSEIN, & DJAVARESHKIAN, MOHAMMAD HASSAN. (2016). INVESTIGATION OF INDUCED VELOCITY AND LIFT SENSITIVITY ANALYSIS IN BLADE ELEMENT THEORY FOR SIMULATION OF FLAPPING WING IN HOVERING FLIGHT. MODARES MECHANICAL ENGINEERING, 15(10), 212-224. SID. https://sid.ir/paper/179636/en

Vancouver: Copy

ZAREI AMIRHOSSEIN, DJAVARESHKIAN MOHAMMAD HASSAN. INVESTIGATION OF INDUCED VELOCITY AND LIFT SENSITIVITY ANALYSIS IN BLADE ELEMENT THEORY FOR SIMULATION OF FLAPPING WING IN HOVERING FLIGHT. MODARES MECHANICAL ENGINEERING[Internet]. 2016;15(10):212-224. Available from: https://sid.ir/paper/179636/en

IEEE: Copy

AMIRHOSSEIN ZAREI, and MOHAMMAD HASSAN DJAVARESHKIAN, “INVESTIGATION OF INDUCED VELOCITY AND LIFT SENSITIVITY ANALYSIS IN BLADE ELEMENT THEORY FOR SIMULATION OF FLAPPING WING IN HOVERING FLIGHT,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 10, pp. 212–224, 2016, [Online]. Available: https://sid.ir/paper/179636/en

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