• No results found

Turbulent Diffusion

Linearity of sequential molecular signals in turbulent diffusion channels

Linearity of sequential molecular signals in turbulent diffusion channels

... We demonstrated that the sequential molecular signals will be added together at the receiver linearly in a turbulent diffusion channel. We used different information sequence to distinguish each emission ...

7

Radiation modeling of a turbulent diffusion flame in diesel engine

Radiation modeling of a turbulent diffusion flame in diesel engine

... A diffusion flame is modeled in a simple cylindrical geometry and boundary conditions are ...the turbulent diffusion flame by considering radiation in participating media is used to solve the ...

15

Turbulent diffusion in rapidly rotating flows with and without stable stratification

Turbulent diffusion in rapidly rotating flows with and without stable stratification

... in turbulent diffusion because of Taylor’s relation (equation ...of turbulent diffusion by direct application of Taylor’s integral ...predict turbulent diffusion and its potential depletion in ...

26

The role of turbulent diffusion on thermal comfort in naturally ventilated buildings

The role of turbulent diffusion on thermal comfort in naturally ventilated buildings

... that turbulent thermal convection heats the room uniformly so that the temperature is the same at all heights and the warm air in the room produces a stack driven ventilation ...a turbulent plume that rises ...

9

Discrete Tracer Point Method to Evaluate Turbulent Diffusion in Circular Pipe Flow

Discrete Tracer Point Method to Evaluate Turbulent Diffusion in Circular Pipe Flow

... longitudinal diffusion in pipe flow. Taylor [2] also analyzed longitudinal diffusion in turbulent ...in turbulent flow as well as transfer of fluid ...molecular diffusion in both radial ...

12

Experimental detection of turbulent thermal diffusion of aerosols in non-isothermal flows

Experimental detection of turbulent thermal diffusion of aerosols in non-isothermal flows

... the turbulent eddies to drift out to the boundary regions between eddies ...a turbulent flow of fluid is equiprobable in all directions, and pressure (temperature) of the surround- ing fluid is not ...

9

Escape rate: a Lagrangian measure of particle deposition from the atmosphere

Escape rate: a Lagrangian measure of particle deposition from the atmosphere

... Abstract. Due to rising or descending air and due to grav- ity, aerosol particles carry out a complicated, chaotic motion and move downwards on average. We simulate the motion of aerosol particles with an atmospheric ...

15

Study of CO 2Flow and Energy Balance in a Transition Forest in Southwestern Amazonia by the Modified Bowen Ratio Methods and Eddy Covariance

Study of CO 2Flow and Energy Balance in a Transition Forest in Southwestern Amazonia by the Modified Bowen Ratio Methods and Eddy Covariance

... The estimation of trace gas fluxes by energy balance is a technique known as the Modified Bowen Ratio (RBM) that follows the K-theory (PEREIRA et al., 2013). One of the assumptions of the BERB and RBM is to assume ...

7

Fire suppression using water mists – a numerical model

Fire suppression using water mists – a numerical model

... The rate o f fuel combustion during the fire development is determined with the eddy dissipation model for turbulent diffusion flame (Magnussen and Hjertager, 1976). During fire suppression, however, this ...

11

Simulation Study on the Desulfurization Efficiency Based on Swirl Atomizing

Simulation Study on the Desulfurization Efficiency Based on Swirl Atomizing

... From the research situation at home and abroad, the numerical simulation study of WFGD tower were mainly concentrated in flow field and rarely quantitative description of desulfurization. Based on the kinetics of ...

6

Comparative evaluation of turbulence model for buoyancy dominated flow

Comparative evaluation of turbulence model for buoyancy dominated flow

... modeling; turbulent heat flux and turbulent diffusion flux are proposed to close the set of ...the turbulent transport processes depend on the geometry, fluid properties and flow pattern, ...

8

Turbulence Induced by Storm Waves on Deep Water

Turbulence Induced by Storm Waves on Deep Water

... dimensional diffusion of substance, concentrated at the initial moment in the origin of coordinates (see the paper [16], where vortex line diffusion is considered)), that the trace width, at which it’s no ...

10

LARGE EDDY SIMULATION OF THE DIFFUSION PROCESS OF NUTRIENT-RICH UP-WELLED SEAWATER

LARGE EDDY SIMULATION OF THE DIFFUSION PROCESS OF NUTRIENT-RICH UP-WELLED SEAWATER

... its diffusion process from the pipe outlet to the ocean surface ...ocean, turbulent diffusion is much larger than the molecular diffusion (Ledwell et ...therefore diffusion should be ...

6

Structure-formation and Vertical Turbulent Exchange in the Coastal Area of the Sevastopol Region

Structure-formation and Vertical Turbulent Exchange in the Coastal Area of the Sevastopol Region

... of turbulent patches in a stratified layer have been ...of turbulent spots. The coefficients of vertical turbulent exchange and the values of the dissipation rate of turbulent energy in the ...

12

Solute dispersion in the nearshore due to oblique waves

Solute dispersion in the nearshore due to oblique waves

... Within the surfzone, a theoretical advection-dispersion mixing mechanism has been identified. It has been shown by using suitable estimates for the turbulent diffusion and on-off shore wave-induced velocity ...

12

Decay of the supersonic turbulent wakes from micro-ramps

Decay of the supersonic turbulent wakes from micro-ramps

... A detailed analysis of the streamwise velocity evolution is achieved by extracting wall-normal profiles at three positions, i.e. x/h=12, 22 and 32, see figure 6. The maximum deficit at x/h=12 corresponds to a velocity of ...

26

Turbulent thermal diffusion of aerosols in geophysics and in laboratory experiments

Turbulent thermal diffusion of aerosols in geophysics and in laboratory experiments

... by turbulent diffusion and accumulation of particles due to tur- bulent thermal diffusion, exist simultaneously and there is a very small effect of gravitational settling of the ...

8

Diffusion Process of High Concentration Spikes in a Quasi Homogeneous Turbulent Flow

Diffusion Process of High Concentration Spikes in a Quasi Homogeneous Turbulent Flow

... a turbulent flow, areas with obviously high concentration of the mass compared with surrounding areas are formed by organized structures of ...water turbulent channel ...and turbulent ...

21

Coarse particle support in turbulent flow of visco-plastic carrier

Coarse particle support in turbulent flow of visco-plastic carrier

... for turbulent flows of complex slurries based on a non-Newtonian ...Newtonian-based turbulent diffusion model appropriately modified for non-Newtonian liquid to predict a distribution of volumetric ...

5

Evaluation of Interfacial Forces and Bubble-Induced Turbulence Using Direct Numerical Simulation.

Evaluation of Interfacial Forces and Bubble-Induced Turbulence Using Direct Numerical Simulation.

... the turbulent kinetic energy balance in bubble-induced turbulence and evaluated the energy spectra in bubble driven liquid flow using DNS ...[50]. Turbulent bubbly channel flows were extensively studied by ...

222

Show all 7604 documents...

Related subjects