Unsteady Planar Diffusion Flames PDF Download
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Author: F. Fendell
Publisher:
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Category :
Languages : en
Pages :
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Author: F. Fendell
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781723906619
Category :
Languages : en
Pages : 66
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Book Description
An experimental apparatus for the examination of a planar, virtually strain-rate-free diffusion flame in microgravity has been designed and fabricated. Such a diffusion flame is characterized by relatively large spatial scale and high symmetry (to facilitate probing), and by relatively long fluid-residence time (to facilitate investigation of rates associated with sooting phenomena). Within the squat rectangular apparatus, with impervious, noncatalytic isothermal walls of stainless steel, a thin metallic splitter plate subdivides the contents into half-volumes. One half-volume initially contains fuel vapor diluted with an inert gas, and the other, oxidizer diluted with another inert gas-so that the two domains have equal pressure, density, and temperature. As the separator is removed, by translation in its own plane, through a tightly fitting slit in one side wall, a line ignitor in the opposite side wall initiates a triple-flame propagation across the narrow layer of combustible mixture formed near midheight in the chamber. The planar diffusion flame so emplaced is quickly disrupted in earth gravity. In microgravity, the planar flame persists, and travels ultimately into the half-volume containing the stoichiometrically deficient reactant; the flame eventually becomes extinguished owing to reactant depletion and heat loss to the walls.Fendell, Francis and Rungaldier, HaraldGlenn Research CenterFLAME PROPAGATION; COMBUSTION; DIFFUSION FLAMES; MICROGRAVITY; THIN PLATES; BURNOUT; DEPLETION; STAINLESS STEELS; SYMMETRY; STRAIN RATE; IGNITION
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 68
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721035113
Category :
Languages : en
Pages : 64
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Book Description
An experimental apparatus for the examination of a planar, virtually strain-rate-free diffusion flame in microgravity has been designed and fabricated. Such a diffusion flame is characterized by relatively large spatial scale and high symmetry (to facilitate probing), and by relatively long fluid-residence time (to facilitate investigation of rates associated with sooting phenomena). Within the squat rectangular apparatus, with impervious, noncatalytic isothermal walls of stainless steel, a thin metallic splitter plate subdivides the contents into half-volumes. One half-volume initially contains fuel vapor diluted with an inert gas, and the other, oxidizer diluted with another inert gas-so that the two domains have equal pressure, density, and temperature. As the separator is removed, by translation in its own plane, through a tightly fitting slit in one side wall, a line ignitor in the opposite side wall initiates a triple-flame propagation across the narrow layer of combustible mixture formed near midheight in the chamber. The planar diffusion flame so emplaced is quickly disrupted in earth gravity. In microgravity, the planar flame persists, and travels ultimately into the half-volume containing the stoichiometrically deficient reactant; the flame eventually becomes extinguished owing to reactant depletion and heat loss to the walls.Fendell, Francis and Rungaldier, HaraldGlenn Research CenterFLAME PROPAGATION; COMBUSTION; DIFFUSION FLAMES; MICROGRAVITY; THIN PLATES; BURNOUT; DEPLETION; STAINLESS STEELS; SYMMETRY; STRAIN RATE; IGNITION
Author: Yan Dong
Publisher:
ISBN:
Category :
Languages : en
Pages : 278
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Author: Fernando de Souza Costa
Publisher:
ISBN:
Category :
Languages : en
Pages : 358
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Author: Dawn A. Santoianni
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Category : Combustion
Languages : en
Pages : 240
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Author: Yousik Hong
Publisher:
ISBN:
Category : Combustion engineering
Languages : en
Pages : 262
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Author: Guey-Chia Lu
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 320
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Author: J Barr (Deckker, B. E. L, Taylor, W. L.)
Publisher:
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Category :
Languages : en
Pages :
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