THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS

Detalhes bibliográficos
Autor(a) principal: Li,Shaobai
Data de Publicação: 2017
Outros Autores: Xu,Shuang, Yan,Zheng, Li,Rundong, Yang,Tianhua
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Journal of Chemical Engineering
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322017000100183
Resumo: Abstract The formation behavior of a single bubble in power-law fluids (carboxymethyl cellulose solution, CMC) and Newtonian fluids (glycerol solution) was experimentally investigated via a high-speed camera. The effects of liquid property, orifice diameter and gas flow rate on bubble volume and aspect ratio were observed. It was found that the formation time and detaching volume increased with the increase of fluid viscosity. The increase of bubble aspect ratio during the bubble formation process was complex, with main emphasis on the decrease in the initial stage and an increase in the final stage along with the shear thinning property variation. Nevertheless, the bubble detaching volume, instantaneous volume and formation time increased following the increase of orifice diameter and gas flow rate. On the contrary, the bubble aspect ratio decreased with the orifice diameter increase but increased with a higher gas flow rate.
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spelling THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDSBubble formationPower-law fluidsRheological propertyBubble volumeAspect ratioAbstract The formation behavior of a single bubble in power-law fluids (carboxymethyl cellulose solution, CMC) and Newtonian fluids (glycerol solution) was experimentally investigated via a high-speed camera. The effects of liquid property, orifice diameter and gas flow rate on bubble volume and aspect ratio were observed. It was found that the formation time and detaching volume increased with the increase of fluid viscosity. The increase of bubble aspect ratio during the bubble formation process was complex, with main emphasis on the decrease in the initial stage and an increase in the final stage along with the shear thinning property variation. Nevertheless, the bubble detaching volume, instantaneous volume and formation time increased following the increase of orifice diameter and gas flow rate. On the contrary, the bubble aspect ratio decreased with the orifice diameter increase but increased with a higher gas flow rate.Brazilian Society of Chemical Engineering2017-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322017000100183Brazilian Journal of Chemical Engineering v.34 n.1 2017reponame:Brazilian Journal of Chemical Engineeringinstname:Associação Brasileira de Engenharia Química (ABEQ)instacron:ABEQ10.1590/0104-6632.20170341s20150681info:eu-repo/semantics/openAccessLi,ShaobaiXu,ShuangYan,ZhengLi,RundongYang,Tianhuaeng2017-06-19T00:00:00Zoai:scielo:S0104-66322017000100183Revistahttps://www.scielo.br/j/bjce/https://old.scielo.br/oai/scielo-oai.phprgiudici@usp.br||rgiudici@usp.br1678-43830104-6632opendoar:2017-06-19T00:00Brazilian Journal of Chemical Engineering - Associação Brasileira de Engenharia Química (ABEQ)false
dc.title.none.fl_str_mv THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
title THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
spellingShingle THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
Li,Shaobai
Bubble formation
Power-law fluids
Rheological property
Bubble volume
Aspect ratio
title_short THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
title_full THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
title_fullStr THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
title_full_unstemmed THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
title_sort THE FORMATION BEHAVIOR OF A SINGLE BUBBLE IN POWER-LAW FLUIDS
author Li,Shaobai
author_facet Li,Shaobai
Xu,Shuang
Yan,Zheng
Li,Rundong
Yang,Tianhua
author_role author
author2 Xu,Shuang
Yan,Zheng
Li,Rundong
Yang,Tianhua
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Li,Shaobai
Xu,Shuang
Yan,Zheng
Li,Rundong
Yang,Tianhua
dc.subject.por.fl_str_mv Bubble formation
Power-law fluids
Rheological property
Bubble volume
Aspect ratio
topic Bubble formation
Power-law fluids
Rheological property
Bubble volume
Aspect ratio
description Abstract The formation behavior of a single bubble in power-law fluids (carboxymethyl cellulose solution, CMC) and Newtonian fluids (glycerol solution) was experimentally investigated via a high-speed camera. The effects of liquid property, orifice diameter and gas flow rate on bubble volume and aspect ratio were observed. It was found that the formation time and detaching volume increased with the increase of fluid viscosity. The increase of bubble aspect ratio during the bubble formation process was complex, with main emphasis on the decrease in the initial stage and an increase in the final stage along with the shear thinning property variation. Nevertheless, the bubble detaching volume, instantaneous volume and formation time increased following the increase of orifice diameter and gas flow rate. On the contrary, the bubble aspect ratio decreased with the orifice diameter increase but increased with a higher gas flow rate.
publishDate 2017
dc.date.none.fl_str_mv 2017-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322017000100183
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322017000100183
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/0104-6632.20170341s20150681
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Brazilian Society of Chemical Engineering
publisher.none.fl_str_mv Brazilian Society of Chemical Engineering
dc.source.none.fl_str_mv Brazilian Journal of Chemical Engineering v.34 n.1 2017
reponame:Brazilian Journal of Chemical Engineering
instname:Associação Brasileira de Engenharia Química (ABEQ)
instacron:ABEQ
instname_str Associação Brasileira de Engenharia Química (ABEQ)
instacron_str ABEQ
institution ABEQ
reponame_str Brazilian Journal of Chemical Engineering
collection Brazilian Journal of Chemical Engineering
repository.name.fl_str_mv Brazilian Journal of Chemical Engineering - Associação Brasileira de Engenharia Química (ABEQ)
repository.mail.fl_str_mv rgiudici@usp.br||rgiudici@usp.br
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