Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance

Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance

Bibliographic Details
Main Author: Ezhilan, Madhumitha
Language:English
Published: University of Dayton / OhioLINK 2017
Subjects:
Chemical Engineering
Laser Induced Fluorescence
Flow Visualization
Coefficient of Variation
Static Mixers
Online Access:http://rave.ohiolink.edu/etdc/view?acc_num=dayton1499793560290147
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spelling ndltd-OhioLink-oai-etd.ohiolink.edu-dayton14997935602901472021-08-03T07:03:09Z Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance Ezhilan, Madhumitha Chemical Engineering Laser Induced Fluorescence Flow Visualization Coefficient of Variation Static Mixers Turbulent mixing with a static mixer is studied using the Laser Induced Fluorescence (LIF) technique. In this study, a comparison of the blending effectiveness with and without the static mixer is drawn. The blending efficiency of the mixer is quantified by coefficient of variation (CoV), where a value of 0.05 signifies very good mixing. The lower the value of CoV, the better the blending quality. Two types of CoV, instantaneous and time-averaged, are determined to study the blending quality. For industrial purposes, the time-averaged CoV is typically used to characterize the mixing system. Data is collected at different Reynolds numbers and different distances from the point of injection of the dye. A commercial laser imaging software, DaVis, is used for the analysis of the data. The study shows that the software uses a different approach than what is expected to calculate the average instantaneous CoV which is incorrect and lower than the time-averaged CoV. A macro developed by Casselbury (2016) is adopted to calculate the average instantaneous CoV. Results show that mixing quality increased with increase in flow rate or mixing length. Also, the CoV values for tests with the static mixer are found to be lower than the empty pipeline which indicated that better mixing is achieved when the static mixer is used. 2017-08-28 English text University of Dayton / OhioLINK http://rave.ohiolink.edu/etdc/view?acc_num=dayton1499793560290147 http://rave.ohiolink.edu/etdc/view?acc_num=dayton1499793560290147 unrestricted This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws.
collection NDLTD
language English
sources NDLTD
topic Chemical Engineering
Laser Induced Fluorescence
Flow Visualization
Coefficient of Variation
Static Mixers
spellingShingle Chemical Engineering
Laser Induced Fluorescence
Flow Visualization
Coefficient of Variation
Static Mixers
Ezhilan, Madhumitha
Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance
author Ezhilan, Madhumitha
author_facet Ezhilan, Madhumitha
author_sort Ezhilan, Madhumitha
title Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance
title_short Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance
title_full Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance
title_fullStr Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance
title_full_unstemmed Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance
title_sort commissioning a commercial laser induced fluorescence system for characterization of static mixer performance
publisher University of Dayton / OhioLINK
publishDate 2017
url http://rave.ohiolink.edu/etdc/view?acc_num=dayton1499793560290147
work_keys_str_mv AT ezhilanmadhumitha commissioningacommerciallaserinducedfluorescencesystemforcharacterizationofstaticmixerperformance
_version_ 1719452391126859776

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