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Modeling the effect of temperature-induced surface tension gradient in coating processes

The coating of the fluorescent-lamp material inside the fluorescent tube is prone to defect such as dark line formation. A one-dimensional mathematical model based on Navier-Stokes equation, which describes the flow of drying coating on horizontal planar substrates, was developed to investigate the...

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主要な著者: Abdullah, B.B., Vo, D.-V.N., Chowdhury, S.
フォーマット: 論文
出版事項: Trans Tech Publications Ltd 2014
オンライン･アクセス:https://www.scopus.com/inward/record.uri?eid=2-s2.0-84904053596&doi=10.4028%2fwww.scientific.net%2fAMR.917.181&partnerID=40&md5=c9f0e87d577760255cec7f4ab0deef32
http://eprints.utp.edu.my/32355/
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id my.utp.eprints.32355
record_format eprints
spelling my.utp.eprints.323552022-03-29T05:27:54Z Modeling the effect of temperature-induced surface tension gradient in coating processes Abdullah, B.B. Vo, D.-V.N. Chowdhury, S. The coating of the fluorescent-lamp material inside the fluorescent tube is prone to defect such as dark line formation. A one-dimensional mathematical model based on Navier-Stokes equation, which describes the flow of drying coating on horizontal planar substrates, was developed to investigate the defect formation. The effect of temperature distribution on surface tension gradient was incorporated into the model, to quantify defect formation in drying coating. The results showed that, temperature-induced surface tension gradient plays a major role in defect formation while the effect of pressure gradient is insignificant. The evaporation rate and viscosity affect the defect thickness and spread, and also the defect formation time. The temperature gradient seems to have the largest influence on surface tension gradient, thus defect formation. The model developed can be used as a process analysis tool in industrial applications of fluorescent tube coating. © (2014) Trans Tech Publications, Switzerland. Trans Tech Publications Ltd 2014 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84904053596&doi=10.4028%2fwww.scientific.net%2fAMR.917.181&partnerID=40&md5=c9f0e87d577760255cec7f4ab0deef32 Abdullah, B.B. and Vo, D.-V.N. and Chowdhury, S. (2014) Modeling the effect of temperature-induced surface tension gradient in coating processes. Advanced Materials Research, 917 . pp. 181-188. http://eprints.utp.edu.my/32355/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description The coating of the fluorescent-lamp material inside the fluorescent tube is prone to defect such as dark line formation. A one-dimensional mathematical model based on Navier-Stokes equation, which describes the flow of drying coating on horizontal planar substrates, was developed to investigate the defect formation. The effect of temperature distribution on surface tension gradient was incorporated into the model, to quantify defect formation in drying coating. The results showed that, temperature-induced surface tension gradient plays a major role in defect formation while the effect of pressure gradient is insignificant. The evaporation rate and viscosity affect the defect thickness and spread, and also the defect formation time. The temperature gradient seems to have the largest influence on surface tension gradient, thus defect formation. The model developed can be used as a process analysis tool in industrial applications of fluorescent tube coating. © (2014) Trans Tech Publications, Switzerland.
format Article
author Abdullah, B.B.
Vo, D.-V.N.
Chowdhury, S.
spellingShingle Abdullah, B.B.
Vo, D.-V.N.
Chowdhury, S.
Modeling the effect of temperature-induced surface tension gradient in coating processes
author_facet Abdullah, B.B.
Vo, D.-V.N.
Chowdhury, S.
author_sort Abdullah, B.B.
title Modeling the effect of temperature-induced surface tension gradient in coating processes
title_short Modeling the effect of temperature-induced surface tension gradient in coating processes
title_full Modeling the effect of temperature-induced surface tension gradient in coating processes
title_fullStr Modeling the effect of temperature-induced surface tension gradient in coating processes
title_full_unstemmed Modeling the effect of temperature-induced surface tension gradient in coating processes
title_sort modeling the effect of temperature-induced surface tension gradient in coating processes
publisher Trans Tech Publications Ltd
publishDate 2014
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84904053596&doi=10.4028%2fwww.scientific.net%2fAMR.917.181&partnerID=40&md5=c9f0e87d577760255cec7f4ab0deef32
http://eprints.utp.edu.my/32355/
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score 13.250246

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