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2015•Advances in intelligent systems research/Advances in Intelligent Systems ResearchOpen access

Delta Wing's Detached Vortex Fracture Control and PIV Analysis

Rui Zhu

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Abstract

This paper study's the influence of vortex generator on the breakpoint of delta wings detached vortex.Experimental research on the interaction between vortex generator created auxiliary vortex and delta wing's detached vortex is conducted under different flow speed and attack angles.Flow visualization test is to study the physical mechanisms of development and fracture of detached vortex.The Time-resolved PIV (Particle Image Velocimetry) processing is undertaken to achieve the characteristics of interaction, development and fracture of the delta wing's detached vortex and generator created vortex.The advantageous impact of vortex generator on delta wing's detached vortex is revealed.The analysis of PIV processed velocity and vortices fields verifies an explains the flow visualization experiments results.

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This paper study's the influence of vortex generator on the breakpoint of delta wings detached vortex.Experimental research on the interaction between vortex generator created auxiliary vortex and delta wing's detached vortex is conducted under different flow speed and attack angles.Flow visualization test is to study the physical mechanisms of development and fracture of detached vortex.The Time-resolved PIV (Particle Image Velocimetry) processing is undertaken to achieve the characteristics of interaction, development and fracture of the delta wing's detached vortex and generator created vortex.The advantageous impact of vortex generator on delta wing's detached vortex is revealed.The analysis of PIV processed velocity and vortices fields verifies an explains the flow visualization experiments results.

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Available abstract

This paper study's the influence of vortex generator on the breakpoint of delta wings detached vortex.Experimental research on the interaction between vortex generator created auxiliary vortex and delta wing's detached vortex is conducted under different flow speed and attack angles.Flow visualization test is to study the physical mechanisms of development and fracture of detached vortex.The Time-resolved PIV (Particle Image Velocimetry) processing is undertaken to achieve the characteristics of interaction, development and fracture of the delta wing's detached vortex and generator created vortex.The advantageous impact of vortex generator on delta wing's detached vortex is revealed.The analysis of PIV processed velocity and vortices fields verifies an explains the flow visualization experiments results.

Key concepts: Delta wing, Vortex, Particle image velocimetry, Vortex generator, Flow visualization, Horseshoe vortex, Physics, Starting vortex

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