EFFECTS OF PLUNGING MOTION ON UNSTEADY AERODYNAMIC BEHAVIOR OF AN AIRCRAFT MODEL IN COMPRESSIBLE FLOW*

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DAVARI A.R.; SOLTANI M.R.

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Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2007 | Volume:31 | Issue:B1 Page(s): 49-63

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Title

EFFECTS OF PLUNGING MOTION ON UNSTEADY AERODYNAMIC BEHAVIOR OF AN AIRCRAFT MODEL IN COMPRESSIBLE FLOW*

Author(s)

DAVARI A.R. | SOLTANI M.R. | Issue Writer Certificate

Keywords

PITCHING MOTIONQ3

PLUNGING MOTIONQ3

HYSTERESIS LOOPQ3

STABILITY DERIVATIVEQ3

PITCH DAMPING DERIVATIVEQ3

Abstract

Aspects of pitching and PLUNGING MOTIONs on unsteady aerodynamic behavior of an aircraft model were studied. Extensive wind tunnel tests were performed on a standard dynamics model, SDM, oscillating in both pitches and plunge modes. Up to now, there has been little or no result on the plunging behavior of an aircraft or missile as a whole and the present experiments can be considered as one of the first attempts to study the compressible flow field over a model undergoing both pitching and PLUNGING MOTIONs. The experiments involved measuring normal force and pitching moment of the model at Mach numbers of 0.4, 0.6 and 1.5 and oscillation frequencies of 1.25, 2.77 and 6.00 Hz. The longitudinal dynamic derivatives were then calculated from the measured data. The pitching results have been compared with the available data on the same model and good agreement has been achieved. However no plunging data on the same or a similar model was available in the literature to be compared with the present findings.

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APA: Copy

DAVARI, A.R., & SOLTANI, M.R.. (2007). EFFECTS OF PLUNGING MOTION ON UNSTEADY AERODYNAMIC BEHAVIOR OF AN AIRCRAFT MODEL IN COMPRESSIBLE FLOW*. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 31(B1), 49-63. SID. https://sid.ir/paper/62339/en

Vancouver: Copy

DAVARI A.R., SOLTANI M.R.. EFFECTS OF PLUNGING MOTION ON UNSTEADY AERODYNAMIC BEHAVIOR OF AN AIRCRAFT MODEL IN COMPRESSIBLE FLOW*. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2007;31(B1):49-63. Available from: https://sid.ir/paper/62339/en

IEEE: Copy

A.R. DAVARI, and M.R. SOLTANI, “EFFECTS OF PLUNGING MOTION ON UNSTEADY AERODYNAMIC BEHAVIOR OF AN AIRCRAFT MODEL IN COMPRESSIBLE FLOW*,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 31, no. B1, pp. 49–63, 2007, [Online]. Available: https://sid.ir/paper/62339/en

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