Liquid Holdup
Liquid Holdup in Concurrent Gas Liquid Upflow Through Packed Column with Random and Corrugated Structured Packing
... total liquid holdup with variation in gas flow rates for different liquid flow rates for concurrent upflow of air-water through random (spheres ...total liquid holdup decrease with ...
6
Wetting Characterization of Hybrid Coatings Deposited on Carbon Steel Collectors for Hydrophilic Modification
... saturated liquid holdup of this surface is 8 - 10 times more than that of the CSS surface; the surface flowrate value is 6 - 8 percent of that of the CSS surface; the film rate of this surface is 28 - 32 ...
10
A Successful Experience in Optimization of a Production Well in a Southern Iranian Oil Field
... production period. Several correlations for tubing performance are in use in the petroleum industry [17 and 18]. Brown [19], in a widely used work, outlined the procedure for pressure drop calculations in production ...
13
An Empirical Correlation for Zero-Net Liquid Flow in Gas-Liquid Compact Separator
... The instruments used in this study were electrical resistance tomography (ERT), wire mesh sensor (WMS), pressure transducer, conductivity ring and, temperature probe. The liquid holdup in the section above ...
9
Studies in Jet Mixer on the Effect of Frictional Holdup with Different Flow Rates on Nozzle Diameters and Positions for Newtonian and Non-Newtonian Fluids
... Five nozzles of different diameters (1 mm, 10 mm, 15 mm, 22 mm and 2 mm) were designed, fabricated and tested. Three nozzles positions from the bottom of the tank (22 cm, 27 cm and 30 cm) were selected and tested. Water ...
6
A Short Cut Design Technique to Batch Distillation Column
... The liquid holdup at column top is an important parameter for batch distilla- tion, especially for the external reflux distillation ...and liquid holdup at column top existence has a great ...
17
Measurement Scheme of Local Water Holdup in Oil-Water Two-Phase Flow Based on Edge Effect of Interdigital Capacitance Method
... water holdup, the oscillating frequency of the circuit decreases ...water holdup of oil and water mixture, the resolution of detecting circuit ...water holdup of oil and water mixture increases from ...
7
Reactor Performances and Hydrodynamics of Various Gas-Solids Fluidized Beds
... solids holdup and particle velocity, whereas the microscopic flow structure refers to local behaviour of the dense phase and the dilute ...solids holdup signals showed that CTFB has higher turbulence ...
252
Studies on Microscopic Flow Structure Inside a Rectangular Circulating Fluidized Bed Through Image Analysis
... PIV techniques are used to measure gas-solid flow characteristics and obtain instantaneous information of a multiphase system in CFB. Typical PIV apparatus consists of a camera (normally a digital CCD camera), a high ...
198
Hydrodynamics and Mass Transfer Performance of Annulus-Rising Airlift Reactor — The Effect of Reactor Scale - Volume 8 Number 1 (Feb. 2017) - IJCEA
... To reduce computational expense, one quarter of the 3-dimensional AR_ALR was taken as the computational domain. The configuration of the AR_ALR was generated according to the experimental equipment. The velocity inlet ...
6
Numerical Studies on Hydrodynamics in Various Circulating Fluidization Systems
... For numerical simulations, proper data of the cluster properties are not readily available since the size, shape, and density of clusters vary not only with the positions in the riser but also with the operating ...
317
Bubble and Heat Transfer Phenomena in Viscous Slurry Bubble Column
... The gas holdup in a slurry bubble column reactor increases with increasing UG, but it decreases with increasing SC or slurry viscosity because of the formation of large bubbles and the f[r] ...
14
Experimental Study of Phase Inversion in n-Butylacetate-Water, Kerosene-Water, and n-Heptane-Water Systems in a Rotating Disc Contactor Column
... The same phenomenon can be caused at constant continuous phase velocity by inducing the formation of smaller droplets through increasing input energy via agitation or change of the dispersed phase distributor. These ...
8
Effect of particles density on holdup mass and heat transfer rate in solid cyclone heat exchanger
... on holdup mass and it is defined as the total mass of particles at any instant of time in cyclone heat exchanger which is found by measuring the particles in weighing machine by closing both gas and solid flow ...
5
Experimental Study on Comparison of Rising Velocity of Bubbles and Light Weight Particles in the Bubble Column - Volume 3 Number 1 (Feb. 2012) - IJCEA
... the liquid, solids distribution inside the column and efficiency of sample withdrawal for solid liquid systems and overall and local gas hold-up, ventilated cavities at the rear of the impeller blades, ...
6
Digital Electrical Resistance Tomography System and itsExperimental Research
... Experiment results showed that the reconstructed images can reflect the change of the cross-section distribution of the gas/liquid two-phase flow, the estimation of the gas holdup can be obtained and used ...
7
A Study of CO2 Absorption Using Jet Bubble Column
... gas holdup dan gas entrainment yang dihasilkannya pun semakin besar untuk makin kecilnya pipa downcomer yang tercelup pada masing – masing diameter nozzle dan laju alir volumetrik ...
7
Strategic Capacity Investment under Holdup Threats: The Role of Contract Length and Width
... With linear prices, the negative impact on social welfare of a longer contract is very unequally shared between the parties: the buyer’s surplus increases as he produces less surplus but[r] ...
26
Hydrodynamic and Mass Transfer Study in a Mechanically Stirred Hybrid Airlift Bioreactor Based on Impeller Type - Volume 5 Number 1 (Feb. 2014) - IJCEA
... [3], [6], [7], with the objective of improving the process, by increasing the mass transfer from the gas to the liquid phases. Bang et al., [6] proposed a new type of mechanically stirred airlift reactor, in which ...
5
Particle Fluidization in Upward and Inverse Liquid-Solid Circulating Fluidized Bed
... as liquid and solids holdups, particle and liquid velocities are assumed ...solids holdup, liquid velocity, particle velocity and slip velocity can be predicted under different operating ...
217