Electro-Deoxidation Behavior of Graphite Oxide in Aqueous Solution

Jeong, Kwang-Hwa; Jeong, Ha Myung; Jeong, Sang Mun; Jung, Kyeong Youl; Choi, Eun Young

doi:10.1252/jcej.12we220

Cited by 2 publications

(1 citation statement)

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“…The objective of this paper is to study and quantify the effect of the channel geometry, pulsating flow, and remaining turbulence inside monolith channels on the generation of turbulence after a monolithic substrate. This is especially relevant for applications with monoliths in series and for reverse flow reactors . This investigation includes an extensive set of highly resolved computational experiments at a channel scale using large eddy simulations (LES).…”

Section: Introductionmentioning

confidence: 99%

Effect of substrate geometry and flow condition on the turbulence generation after a monolith

2020

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This paper reports a study of turbulence generation after a monolith honeycomb. Large eddy simulation is used to analyze the turbulence generated when steady, turbulent, or pulsating flow leaves a monolith channel. Substrates with different cell densities, wall thicknesses, and channel cross‐sectional shapes are investigated. The results show that the magnitude of the turbulence generated depends on the wall thickness and monolith void fraction, though not much on the cell density. For pulsating flow, different frequency of the pulsations produced only slightly different results, however, the amplitude of the pulsations is proportional to the magnitude of the turbulence generated. The outflow of the channels can act as a jet and trigger turbulence along a distance from 10 to 30 channel diameters, significantly affecting the total pressure drop and the inlet conditions for elements in series downstream, such as particulate filters or other substrates.

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Section: Introductionmentioning

confidence: 99%