• No results found

tracer residence time distribution

Tracer test modeling for characterizing heterogeneity and local scale residence time distribution in an artificial recharge site

Tracer test modeling for characterizing heterogeneity and local scale residence time distribution in an artificial recharge site

... the residence time distribution (RTD) of the recharged water in the aquifer ...a tracer test. We performed a pulse injection tracer test in an artificial recharge sys- tem through an ...

13

Residence Time Distribution Measurements in a Downer Reactor & Gas-Solids Separator

Residence Time Distribution Measurements in a Downer Reactor & Gas-Solids Separator

... of tracer injection are possible: pulse and ...of tracer so as to approximate a Dirac delta ...a tracer pulse injection was performed, which in their case was done manually using a ...of ...

340

Residence Time Distribution Of Three Stirred-tank Reactors In Series

Residence Time Distribution Of Three Stirred-tank Reactors In Series

... A steady-state flow without reaction and density change of a single/carrier fluid (water) through these reactors with a pulse input of a tracer (KCl) at the upstream. The first reactor must be filled to the ...

8

CFD Modeling of Continuous Stirred Tank Electrochemical Reactor

CFD Modeling of Continuous Stirred Tank Electrochemical Reactor

... using Residence Time Distribution (RTD) ...pulse tracer technique and the exit age distribution curves for various operating conditions have been critically ...

16

On The Conversion Of Gas Oil In Fluid Catalytic Cracking Risers: Application Of Residence Time Distribution (Rtd) Concept

On The Conversion Of Gas Oil In Fluid Catalytic Cracking Risers: Application Of Residence Time Distribution (Rtd) Concept

... The tracer must not disturb the flow pattern of the ...with time, gives the desired information about the system and helps to determine the residence time distribution function E (t) ...

6

Residence time distribution studies in flow through tubular electrochemical reactor

Residence time distribution studies in flow through tubular electrochemical reactor

... Experiments were conducted in the tubular flow reactor for studying residence time distribution and assessing COD reduction and color removal. For RTD studies the tubular reactor was operated with ...

11

Modelling of Fluid Flow and Residence Time Distribution in a Five-strand Tundish

Modelling of Fluid Flow and Residence Time Distribution in a Five-strand Tundish

... of tracer injected, the injection rate and the conductivity ...breakthrough time between the predicted and measured results, but the measured results show a slight right shift of the RTD curves as compared ...

18

Vegetation and discharge effects on the hydraulic residence time distribution within a natural pond

Vegetation and discharge effects on the hydraulic residence time distribution within a natural pond

... replicate tracer studies obtained from work undertaken on a pond at the Linton Army Camp in the Manawatu region of New ...The tracer response curves in this study show a very rapid rise to a high peak, ...

319

Study of Flow Pattern in Jet Clarifier for Removal of Turbidity by Residence Time Distribution Approach

Study of Flow Pattern in Jet Clarifier for Removal of Turbidity by Residence Time Distribution Approach

... methods, residence time distribution (RTD) were developed and applied to predict hydrodynamic behaviors in reactor ...from tracer experiment that consists of an impulse response ...a ...

11

The effect of flow instability on residence time distribution of Newtonian and non-Newtonian liquids in Couette-flow

The effect of flow instability on residence time distribution of Newtonian and non-Newtonian liquids in Couette-flow

... the residence time distribution (RTD) o f a range o f Newtonian and non-Newtonian liquids flowing through the annular gap o f a Couette flow ...corresponding tracer solutions will be described ...

307

Effect of Slurry Solids Concentration and Ball Loading on Mill Residence Time Distribution

Effect of Slurry Solids Concentration and Ball Loading on Mill Residence Time Distribution

... The tracer concentration in the discharge stream, corrected for the base (zero-tracer) concentration of slurry was determined from the conductivity measurements through a simple offline calibration ...of ...

7

RESIDENCE TIME DISTRIBUTION (RTD) IN OPERATING PLANT: A REVIEW

RESIDENCE TIME DISTRIBUTION (RTD) IN OPERATING PLANT: A REVIEW

... age distribution density function E(t) is a probability distribution function that describes the amount of time a fluid element spends inside a ...of tracer is injected at the inlet of a ...

7

Bayesian deconvolution of vessel residence time distribution

Bayesian deconvolution of vessel residence time distribution

... Residence time distribution (RTD) within vessels is a critical aspect for the design and operation of continuous flow technologies, such as hydrothermal synthesis of nanomaterials (Cabanas, Darr et ...

23

Experimental RTD Studies In Circulating Fluidized Bed

Experimental RTD Studies In Circulating Fluidized Bed

... longer residence times to use the riser for desorption and the down comer for ...the residence time distribution (RTD) has become a prominent ...tool. Residence time theory deals ...

6

Oceanic tracer and proxy time scales revisited

Oceanic tracer and proxy time scales revisited

... Quantifying time-responses of the ocean to tracer input is important to the interpretation of paleodata from sed- iment cores – because surface-injected tracers do not instan- taneously spread throughout ...

13

Time perspective and place of residence: An empirical study

Time perspective and place of residence: An empirical study

... a time perspective questionnaire which measured differences be- tween present-oriented and future-oriented ...separate time scales both within present and future frameworks, however, it showed an unstable ...

11

On the time to tracer equilibrium in the global ocean

On the time to tracer equilibrium in the global ocean

... the time for tracers to be transported from the sea surface to the deep ...a tracer comes to equilibrium in different regions of the ...a tracer that enters through the sea sur- face to become well ...

16

Residence Time Distribution of Glass Ballotini in Isothermal Swirling Flows in a Counter-Current Spray Drying Tower

Residence Time Distribution of Glass Ballotini in Isothermal Swirling Flows in a Counter-Current Spray Drying Tower

... longer residence times as they move against the air flow as opposed to co-current towers, in which the smaller particles remain in the high velocity central jet of the atomizing air and exit the tower more quickly ...

25

The residence time of water in the atmosphere revisited

The residence time of water in the atmosphere revisited

... mean residence time of atmospheric water has recently been criticized by Läderach and Sodemann ...local residence times as it does not involve horizontal moisture transport, (b) should be corrected ...

12

Hydrology and hydrodynamic behavior of constructed wetlands

Hydrology and hydrodynamic behavior of constructed wetlands

... 1996 Daily total flow rates and nominal residence time for each flow regime High Flows Residence Time Flow Rate.. Medium Flows Flow Rate Residence Time.[r] ...

92

Show all 10000 documents...

Related subjects