Topic
Mass transfer coefficient
About: Mass transfer coefficient is a research topic. Over the lifetime, 7827 publications have been published within this topic receiving 168354 citations.
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TL;DR: In this article, individual carbon particles were examined using a programmable and computerized image analyzer to determine their size and shape characteristics, and power-law correlations were developed to indicate the effect of batch adsorber parameters and particle size on the external mass transfer coefficient.
Abstract: Individual carbon particles were examined using a Quantimet‐720‐23A programmable and computerized image analyzer to determine their size and shape characteristics. Particles in a given sieve size fraction are well represented by the log‐normal distribution. The use of the Sauter mean of particle diameters from projected area measurements is recommended to account for the effects due to the variations in particle size and shape. The solid phase diffusion coefficient estimated from batch reactor analysis, is found to be invariant with this particle diameter. Power‐law correlations are developed to indicate the effect of batch adsorber parameters and particle size on the external mass transfer coefficient.
59 citations
15 Mar 1979
TL;DR: In this article, a general formalism is developed to study interfacial instability of two immiscible incompressible fluids, and necessary and sufficient instability conditions for oscillating and non oscillating regimes are given for long wavelengths.
Abstract: A general formalism is developed to study interfacial instability of two immiscible incompressible fluids. Mass diffusion fluxes across the interface are the determining step. The surface mass balance equation depends upon the surface diffusion and convection and on the net flux. Discussion is restricted to longitudinal perturbations. Using the concept of surface elasticity, necessary and sufficient instability conditions for oscillating and non oscillating regimes are given for long wavelengths. The obtained criteria are extensions of the Sternling and Scriven ones.
59 citations
59 citations
TL;DR: In this paper, an asymmetric hollow fiber membrane module was used to remove H2S from gas streams containing 17.9-1159 ppm H2s. But, the membrane was not designed for the removal of solvents.
59 citations
TL;DR: In this paper, local heat transfer coefficients on the outer surface of tubes in shell-and-tube heat exchangers with staggered tube arrangement are visualized and determined from mass transfer measurements.
59 citations