Residence time density function for turbulent mixing
Residence Time Distributions for Turbulent, Critical and Laminar Pipe Flow
... In comparison, the new data presented here is the mean of three repeat solute tracer injections in water, directly measured over a 10 m length, with rapid response, non-intrusive instruments. The results show excellent ...
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Residence Time Distributions for Turbulent, Critical and Laminar Pipe Flow
... It is shown that the Gaussian impulse response function provides a good estimate of the system’s mixing characteristics for turbulent and critical flows, and an empirical equation to est[r] ...
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Turbulent mixing at a stable density interface : the variation of the buoyancy flux–gradient relation
... at time scales one to two orders of magnitude larger than the eddy turnover time ...stable density stratification can drastically reduce the vertical transfer of heat and ...a density interface ...
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A multienvironment conditional probability density function model for turbulent reacting flows
... in turbulent flows, 8 and large fluctuations can lead to local extinction in nonisothermal reacting ...diffusive mixing with neighboring flame ...mixed turbulent flames ...gime, turbulent ...
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Simulations of radiative turbulent mixing layers
... the time-dependent ion abundances, since the latter requires ex- cessive memory and ...a function of both temperature and density, we choose 121 density values logarithmically distributed ...
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Turbulent Mixing and Combustion of Supercritical Jets
... and density is not readily available. At the same time, since the real gas equation is more complex and would require at least a 5 dimensional table to populate all the parameters, it is not cost-effective ...
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Turbulent Mixing and Chemical Reaction in Stirred Tanks
... BLEND TIME The mixing of two non-reacting species in a tank equipped with a high efficiency impeller (Chemineer HE-3) impeller was calculated using Fluent ...a function of ...blend time ...
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Turbulent mixing simulation via a quantum algorithm
... binary mixing To demonstrate the MC method and to give us a basis for comparison with our quantum algorithm, we simulate a simple binary mixing problem whose solution can be analytically ...The ...
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Mixing and isosurface geometry in turbulent transverse jets
... Abstract Mixing and the geometry of jet-fluid-concentration level sets in turbulent trans- verse jets were experimentally ...scalar mixing with increasing Reynolds number is found in the evolution of ...
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Evaluation of joint probability density function models for turbulent nonpremixed combustion with complex chemistry
... M()(lcl calculations are lnade and compared to simulation resuhs for homogeneously dis- tributed methane-air reaction zones, mixing and reacting in decaying turbulence within a two-dimen[r] ...
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Multidimensional quantification of uncertainty and application to a turbulent mixing model
... Through the estimation of the TKE and volume fraction profiles, it was shown that K − L is capable of preserving the self-similar nature of the instability across a wide range of coefficient variation. The level of ...
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Towards Understanding the Mixing Characteristics of Turbulent Buoyant Flows
... in time, and, as a result, suffers from the same two problems found in the shear layer ...buoyant mixing. Further, the existing methods of simulating variable density mixing suffer an ...
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Multidimensional quantification of uncertainty and application to a turbulent mixing model
... Through the estimation of the TKE and volume fraction profiles, it was shown that K − L is capable of preserving the self-similar nature of the instability across a wide range of coefficient variation. The level of ...
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Large-Eddy Simulations of Baroclinic Instability and Turbulent Mixing
... a function of horizontal wave number magnitude k = k x 2 + k y 2 for the current simulation (from a two-dimensional spectral decomposition, averaged over wavenumber vectors of approximately equal magnitude, and ...
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Cycle-time and residence-time density approximations in a stochastic model for circulatory transport
... For a gamma cycle-time distribution, the residence-time density in the geometric elimination model (4.7) is exactly a gamma in the hypothetical case when p = 1 (the residence time coinci[r] ...
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Effects of Mixing and Vapor Residence Time on the Thermal Cracking Performance of Fluidized Beds
... Stanlick, Clayton, "Effects of Mixing and Vapor Residence Time on the Thermal Cracking Performance of Fluidized Beds" (2014). Electronic Thesis and Dissertation Repository. 2435. ...
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Convection, turbulent mixing and salt fingers
... and turbulent mixing that drive circulation in oceans and other water ...in density differences which can drive convection between surface and bottom ...downwards. Turbulent mixing can ...
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Optimal Control of a Turbulent Mixing Layer
... spatial mixing layer. The expected time per simulation is however much larger and it will be necessary to lower the maximum number of conjugate gradient iterations to limit the number of flow ...
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Mixing and the Geometry of Isosurfaces in Turbulent Jets
... Classical as well as fractal measures of the isosurfaces have been computed, from small to large spatial scales, and are found to be functions of both scalar threshold an[r] ...
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Micro-Mixing in Turbulent Premixed Flames
... lean turbulent premixed conditions will require investigations based in both experimental methods, for their realism and lack of assumptions, as well as numerical simulations, for the level of detailed information ...
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