Gas holdup meaning

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August undefined, 2024

WebAt higher gas velocities, the gas holdup was depressed by the solids, particularly in beds of low porosity. The gas holdup was only little influenced by changes in particle size. … WebGas holdup is the volume fraction of gas in the total volume of gas–liquid phase in the bubble column, which is one of the most important parameters to characterize the …

CFD Simulations of Gas Holdup in a Bubble Column at High …

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Webhold•up (ˈhoʊldˌʌp) n. 1. a robbery of a person at gunpoint. 2. a delay in the progress of something. 3. an instance of being charged excessively. [1830–40, Amer.] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved. Translations Spanish / Español WebAlso, it was shown that the experimental effects of the static liquid height on gas holdup were correctly predicted by CFD simulations. Moreover, it was observed that the distribution of gas holdup along the cross-section of the column is unequal, where the gas holdup is higher at the center of the column and lower near the wall region. WebDefinition of Hold-up in the Idioms Dictionary. Hold-up phrase. What does Hold-up expression mean? Definitions by the largest Idiom Dictionary. Hold-up - Idioms by The Free Dictionary ... You'll definitely go to jail if they find out you held up a gas station! Do you think you would recognize the guy who held you up at gunpoint? 5. To use or ... bsbinn301- assignment 1

Gas Holdup in Gas−Liquid Stirred Tanks Industrial

Hold-up - Idioms by The Free Dictionary

WebGas holdup Ԑg can also be defined as the ratio of gas volume to a total volume of gas and liquid/solid mixture in a finite column length. It is necessary to distinguish the relationship... Webhold-up noun a robbery, esp an armed one a delay; stoppage verb hold up (adverb) (tr) to delay; hinder we were held up by traffic (tr) to keep from falling; support (tr) to stop … bsbins202 assessment toolWebFigure 2.4. Gas holdup empirical correlation for air/water experiments. Fig. 2.5 presents the pressure drop which was based on pressure readings taken at the chamber below the … bsbins309 maintain business records

"Webholdup. Volume of material held or contained in a process vessel or line. Liquid held up (suspended) in a vertical process vessel or line by rising gas or vapor streams. Want to thank TFD for its existence? " - Gas holdup meaning

Gas holdup meaning

Investigations of gas holdup, interfacial area of ... - ScienceDirect

WebGas up definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now! WebSep 13, 2013 · To inflate somebody's ego via compliments, praise, or actions. When the ego of a person is self-inflated. Having too high an opinion of oneself when in actuality, …

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WebLiquid Holdup. The term liquid holdup is mathematically defined as. (9-10) where yL is the incompressible (liquid) fluid fraction, VL is the liquid phase volume (ft 3, m 3 ), and V is … WebGas holdup in the riser of a three-phase circulating fluid-ized-bed bioreactor was determined by means of an elec- trical resistivity probe method [6,7]. The heights of the measuring gas holdup in the reactor were 0.1, 0.3, 0.5, and 0.7 m axially from the distributor. The local gas hold-up was obtained using equation (1).

WebSep 23, 2010 · A single-point optical probe is developed that can accurately obtain local gas holdup in a gas−liquid stirred tank across a wide range of operating pressures, … WebApr 25, 2024 · Liquid holdup HL , is defined as the fraction of an element of pipe which is occupied by liquid at same instant. It is necessary to be able to determine liquid holdup to calculate such things as mixture density, actual gas and liquid viscosities, effective viscosity and heat transfer.

WebFind 19 ways to say GAS UP, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus. Webholdup. 1. n. [Production Logging] With reference to multiphase flow in pipes, the fraction of a particular fluid present in an interval of pipe. In multiphase flow, each fluid moves at a different speed due to different gravitational forces and other factors, with the …

Web2. : delay, impede. 3. : to call attention to : single out. his work was held up to ridicule. hold this up as perfection The Times Literary Supplement (London) intransitive verb. : to …

WebJan 2, 2024 · Gas holdup is the volume fraction of gas in the total volume of gas–liquid phase in the bubble column, which is one of the most important parameters to … bsbins302 - organise workplace informationWebNov 20, 2024 · gas holdup (ε G) and bubble size distribution (BSD). The gas holdup is a dimensionless parameter defined as the volume of the gas phase divided by the total … bsb in new zealandWebSep 23, 2010 · A single-point optical probe is developed that can accurately obtain local gas holdup in a gas−liquid stirred tank across a wide range of operating pressures, temperatures, and fluids. It is found that the probe orientation to the flow in a stirred tank can cause underestimations in gas holdup if only a single probe orientation is used. The … excel school attendance templateWebTo physically keep something elevated. In this usage, a noun or pronoun can be used between "hold" and "up." I've never had a better feeling than when I held up that trophy. … excel scholars programWeb0.1, because the fraction of the total gas holdup occupied by the recic1ed gas approachs 50%. At larger apparent bubble densities, it is possible to reach values of R greater than 0.1. Figure 8 shows the effect of superficial gas velocity upon mean bubble diameter. This effect is significant for the whole range of apparent bubble density. For excel scheduling template for constructionWebhold up. v. 1. To raise something or someone in the air: I held the baby up over my head. The police officer held up the stop sign so drivers could see it. 2. To support something or someone in an upright position: The nurse held the patient up as they walked to the bathroom. The coach held up the injured athlete. 3. excel scheduling formulasWebMay 8, 2024 · In gas wells, liquid loading takes place when the gas rate is not high enough to lift liquids (e.g. water and/or condensate) to the … excel schedule with 15 minute increments