INVESTIGATION OF THE EFFECTS OF FLAPPING FIN ON A SUPERSONIC PARACHUTE PERFORMANCE

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PILEHCHIAN MOHAMMAD REZA; ABOLBASHARI MOHAMMAD HOSSEIN

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:5 Page(s): 295-304

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Title

INVESTIGATION OF THE EFFECTS OF FLAPPING FIN ON A SUPERSONIC PARACHUTE PERFORMANCE

Author(s)

PILEHCHIAN MOHAMMAD REZA | ABOLBASHARI MOHAMMAD HOSSEIN | Issue Writer Certificate

Keywords

SIMULATIONQ2

PARACHUTEQ1

FLAPPING FINQ1

FLOW CONTROLQ1

Abstract

In this paper, the effect of new control tools on the behavior of the PARACHUTE and its performance is studied by applying a compulsive stimulus in flow field. Modeling SIMULATION and analysis are performed with Ansys Fluent. A general geometry is proposed and SIMULATIONs are carried out to indicate the effect of those stimuli on the flow behavior, PARACHUTE performance and high pressure areas on PARACHUTE. For simplicity, the assumptions of axisymmetric and rigid wall of the PARACHUTE are used.Due to the large range of motion of fins compared to adjacent cells and also the importance of quality of mesh in the vicinity of the solid boundary, spring-based smoothing method for local and area remeshing is employed. In this way, the mesh quality for presenting the boundary layer and vortex generated in the solid surface are enhanced. The results illustrated that using spherical arch geometries versus circular sector or parabolic geometries leads to some advantages. Permittivity of disk at the end of the PARACHUTE has been triggered to increase the general drag coefficient dramatically up to around two times larger.Despite the existence of stimulation on a large area, flow field experiences a total pressure drop. On the other hand, if the stimulus does not exist the area is much smaller.

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APA: Copy

PILEHCHIAN, MOHAMMAD REZA, & ABOLBASHARI, MOHAMMAD HOSSEIN. (2017). INVESTIGATION OF THE EFFECTS OF FLAPPING FIN ON A SUPERSONIC PARACHUTE PERFORMANCE. MODARES MECHANICAL ENGINEERING, 17(5 ), 295-304. SID. https://sid.ir/paper/179171/en

Vancouver: Copy

PILEHCHIAN MOHAMMAD REZA, ABOLBASHARI MOHAMMAD HOSSEIN. INVESTIGATION OF THE EFFECTS OF FLAPPING FIN ON A SUPERSONIC PARACHUTE PERFORMANCE. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(5 ):295-304. Available from: https://sid.ir/paper/179171/en

IEEE: Copy

MOHAMMAD REZA PILEHCHIAN, and MOHAMMAD HOSSEIN ABOLBASHARI, “INVESTIGATION OF THE EFFECTS OF FLAPPING FIN ON A SUPERSONIC PARACHUTE PERFORMANCE,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 5 , pp. 295–304, 2017, [Online]. Available: https://sid.ir/paper/179171/en

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