Forced and Periodic Vortex Breakdown in a Vortex Valve PDF Download
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Languages : en
Pages : 0
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Book Description
Forced or periodic vortex breakdown resulting from the instability of the impingement, in a vortex valve, of two equal and opposite jets is investigated. Experiments were conducted with a system consisting of a vortex chamber, two tangential jets, and two Helmholtz resonators. The results show that a periodic vortex breakdown is initiated when the velocities of the two opposing tangential jets acquire nearly identical values. The breakdown is accompanied by large pressure oscillations whose magnitude depends on the geometrical characteristics of the system and the magnitudes of the input flows. The major characteristics of the instability are theoretically predicted by a remarkably simple analysis by ignoring the viscous shear losses. The experimental results compare favorably well with those obtained theoretically. (Author).
Author:
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Category :
Languages : en
Pages : 0
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Book Description
Forced or periodic vortex breakdown resulting from the instability of the impingement, in a vortex valve, of two equal and opposite jets is investigated. Experiments were conducted with a system consisting of a vortex chamber, two tangential jets, and two Helmholtz resonators. The results show that a periodic vortex breakdown is initiated when the velocities of the two opposing tangential jets acquire nearly identical values. The breakdown is accompanied by large pressure oscillations whose magnitude depends on the geometrical characteristics of the system and the magnitudes of the input flows. The major characteristics of the instability are theoretically predicted by a remarkably simple analysis by ignoring the viscous shear losses. The experimental results compare favorably well with those obtained theoretically. (Author).
Author: Sompong Phasook
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
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Book Description
Forced or periodic vortex breakdown resulting from the instability of the impingement, in a vortex valve, of two equal and opposite jets is investigated. Experiments were conducted with a system consisting of a vortex chamber, two tangential jets, and two Helmholtz resonators. The results show that a periodic vortex breakdown is initiated when the velocities of the two opposing tangential jets acquire nearly identical values. The breakdown is accompanied by large pressure oscillations whose magnitude depends on the geometrical characteristics of the system and the magnitudes of the input flows. The major characteristics of the instability are theoretically predicted by a remarkably simple analysis by ignoring the viscous shear losses. The experimental results compare favorably well with those obtained theoretically. (Author).
Author: Turgut Sarpkaya
Publisher:
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Category : Vortex tubes
Languages : en
Pages : 7
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Author: Akira Ogawa
Publisher: CRC Press
ISBN: 9780849357824
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
Vortex Flow presents a detailed description of the natural phenomena of vortices, fundamental concepts, and applications of the vortex flows. Numerous figures and examples illustrate concepts presented in this interesting book for mechanical, chemical, powder, and aeronautical engineers and engineering students.
Author: Robert S. Eramo
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 180
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Author: Paul Stanley Addison
Publisher:
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Category :
Languages : en
Pages :
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Author: James Henry Faler
Publisher:
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Category : Breakdown voltage
Languages : en
Pages : 84
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Author: R. E. Spall
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Category :
Languages : en
Pages : 28
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Author: W. S. Lewellen
Publisher:
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Category : Vortex-motion
Languages : en
Pages : 236
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Author: José L. Stevens
Publisher:
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Category : Aerodynamics
Languages : en
Pages : 142
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