A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS

Wall friction is a critical material characterization parameter to understand when designing mass flow bulk solids storage and handling equipment such as silos/bins and hoppers. There are two wall friction coefficients, namely kinematic (dynamic) and static, to consider, each of which can be measure...

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Autores principales:	Jie Guo, Corin Holmes, Peter Robinson
Formato:	article
Lenguaje:	EN
Publicado:	Yeshwantrao Chavan College of Engineering, India 2021
Materias:	bulk solids handling kinematic wall friction static wall friction Electrical engineering. Electronics. Nuclear engineering TK1-9971 Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/10a377307e67400fbb0d234bd4d303e7
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id	oai:doaj.org-article:10a377307e67400fbb0d234bd4d303e7
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spelling	oai:doaj.org-article:10a377307e67400fbb0d234bd4d303e72021-11-26T10:16:21ZA CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS10.46565/jreas.2021.v06i04.0052456-6403https://doaj.org/article/10a377307e67400fbb0d234bd4d303e72021-10-01T00:00:00Zhttp://www.mgijournal.com/Data/Issues_AdminPdf/306/ID%207.pdfhttps://doaj.org/toc/2456-6403Wall friction is a critical material characterization parameter to understand when designing mass flow bulk solids storage and handling equipment such as silos/bins and hoppers. There are two wall friction coefficients, namely kinematic (dynamic) and static, to consider, each of which can be measured using standardized test methods. While kinematic wall friction is commonly of more interest for design purposes, static friction is also required for certain applications, such as after material has been held at rest (i.e., not flowing) in storage. This study compares the results of both dynamic and static friction measurements for three bulk solids materials on various wall liners. The results showed that the static wall friction coefficient measured was not consistently higher than the dynamic coefficient as expected. Reasons for this difference are outlined, and the dependence on the material and wall liner properties. Jie Guo Corin HolmesPeter Robinson Yeshwantrao Chavan College of Engineering, Indiaarticlebulk solids handlingkinematic wall frictionstatic wall frictionElectrical engineering. Electronics. Nuclear engineeringTK1-9971Mechanical engineering and machineryTJ1-1570ENJournal of Research in Engineering and Applied Sciences, Vol 6, Iss 4, Pp 172-175 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bulk solids handling kinematic wall friction static wall friction Electrical engineering. Electronics. Nuclear engineering TK1-9971 Mechanical engineering and machinery TJ1-1570
spellingShingle	bulk solids handling kinematic wall friction static wall friction Electrical engineering. Electronics. Nuclear engineering TK1-9971 Mechanical engineering and machinery TJ1-1570 Jie Guo Corin Holmes Peter Robinson A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS
description	Wall friction is a critical material characterization parameter to understand when designing mass flow bulk solids storage and handling equipment such as silos/bins and hoppers. There are two wall friction coefficients, namely kinematic (dynamic) and static, to consider, each of which can be measured using standardized test methods. While kinematic wall friction is commonly of more interest for design purposes, static friction is also required for certain applications, such as after material has been held at rest (i.e., not flowing) in storage. This study compares the results of both dynamic and static friction measurements for three bulk solids materials on various wall liners. The results showed that the static wall friction coefficient measured was not consistently higher than the dynamic coefficient as expected. Reasons for this difference are outlined, and the dependence on the material and wall liner properties.
format	article
author	Jie Guo Corin Holmes Peter Robinson
author_facet	Jie Guo Corin Holmes Peter Robinson
author_sort	Jie Guo
title	A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS
title_short	A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS
title_full	A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS
title_fullStr	A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS
title_full_unstemmed	A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS
title_sort	case study of dynamic and static wall frictions for bulk solids
publisher	Yeshwantrao Chavan College of Engineering, India
publishDate	2021
url	https://doaj.org/article/10a377307e67400fbb0d234bd4d303e7
work_keys_str_mv	AT jieguo acasestudyofdynamicandstaticwallfrictionsforbulksolids AT corinholmes acasestudyofdynamicandstaticwallfrictionsforbulksolids AT peterrobinson acasestudyofdynamicandstaticwallfrictionsforbulksolids AT jieguo casestudyofdynamicandstaticwallfrictionsforbulksolids AT corinholmes casestudyofdynamicandstaticwallfrictionsforbulksolids AT peterrobinson casestudyofdynamicandstaticwallfrictionsforbulksolids
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A CASE STUDY OF DYNAMIC AND STATIC WALL FRICTIONS FOR BULK SOLIDS

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