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Determining thethicknessofliquidfilminlaminarconditiononarotatingdrum surface usingCFD

Hasan, Nurul (2008) Determining thethicknessofliquidfilminlaminarconditiononarotatingdrum surface usingCFD. Chemical EngineeringScience . ISSN 0009-2509

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Abstract

This isapioneeringpaperthatdealswiththesemi-steady-stateliquidfilmthicknessonarotatingdrum partially submergedinliquidusingCFD.TheCFDpredictionshavebeencomparedwithbothexperimental results andanalyticalsolutions.Theliquidfilmthicknessandthefilmrisingonacircularcurvedwall were monitoredforvariousrpmoftherotatingdrum.The2Dsimulationswereperformedneglectingthe end effects(assumingtherotatingdrumisverylong).Astherotatingdrumspeedwasincreased,thefilm thickness wasfoundtoincreaseatthefilmrisingsideandattheminimumfilmthicknesspoint(topof the rotatingdrum).Therewasneverbeenasteady-stateconditionreached,theoppositewasexpected as awiperisusedintheCFDcalculation(sameastheexperimentalinvestigation).Theliquidthatleaves the domainbythewiper(asoutflowboundarycondition)isforcedtoentertothedomainfromfarend to keepthelevelofthefreesurfaceconstant.

Item Type:Article
Subjects:T Technology > TN Mining engineering. Metallurgy
Departments / MOR / COE:Mission Oriented Research > CO2 Management
Mission Oriented Research > Enhanced Oil Recovery
Departments > Chemical Engineering
Centre of Excellence > Centre of Excellence in Enhanced Oil Recovery
ID Code:5304
Deposited By: Dr. Nurul Hasan
Deposited On:07 Apr 2011 09:07
Last Modified:19 Jan 2017 08:26

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