A Comparison and Correlation of a Free Jet and a Confined Jet Turbulent Mixing Model with Experimental Data PDF Download
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Author: L. Wayne Tufts
Publisher:
ISBN:
Category : Gas flow
Languages : en
Pages : 212
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Book Description
Author: L. Wayne Tufts
Publisher:
ISBN:
Category : Gas flow
Languages : en
Pages : 212
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Book Description
Author: Dennsi E. Stowell
Publisher:
ISBN:
Category :
Languages : en
Pages : 15
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Book Description
The objectives of this study were to correlate jet mixing data to establish mixing model coefficients and to produce empirical correlations of jet core length and centerline decay rate. A literature review containing 312 jet mixing experiments is reported. Turbulent jet mixing coefficients for 249 experiments are correlated, resulting in predictions of core length and decay rate for all experiments with an error of about 20-25%. Empirical correlations of core length and decay rate are also presented which give direct engineering estimates of these parameters with an error about 20-25% without the use of a jet mixing model. (Author).
Author: Dennis Earl Stowell
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 278
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Book Description
Author: Kirti N. Ghia
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 102
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 592
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Book Description
Author: Philip Thomas Harsha
Publisher:
ISBN:
Category : Turbulence
Languages : en
Pages : 340
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Book Description
Author:
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 610
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Book Description
Author: Leo F. Donovan
Publisher:
ISBN:
Category : Atmospheric turbulence
Languages : en
Pages : 36
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Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 544
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Book Description
Author: Roy J. Schulz
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 92
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Book Description
An investigation was conducted of two-stream, variable-density, turbulent jet mixing with recirculation confined within an axisymmetric duct that simulated a combustor configuration. The recirculating flow fields in the combustor simulator were the result of coaxial jet mixing between a central, primary air stream with a velocity of about 650 ft/sec and an annular secondary stream of hydrogen with velocities of 13, 23, or 48 ft/sec, depending on the desired test conditions. Experimental measurements are presented of radial distributions of time-averaged axial velocity and hydrogen mass fraction, axial distributions of time-averaged static pressure on the duct wall, axial velocity on the duct centerline, and hydrogen mass fraction on the duct wall and on the duct centerline. A theoretical study of the experimental flows was also conducted using a finite difference numerical solution technique for the calculation of viscous, recirculating flows. Comparison of theory and experiment shows that the predictive technique and the turbulence transport model require further development before accurate prediction of recirculating turbulent flows can be realized.
