An approximate theory for stresses in dust cake of ceramic candle filters

NCUIR > Engineering College > Departmant of Mechanical Engineering > journal & Dissertation > Item 987654321/50041

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50041

Title:	An approximate theory for stresses in dust cake of ceramic candle filters
Authors:	Smid,J;Chyou,YP;Hsiau,SS
Contributors:	機械工程學系
Keywords:	RIGID GAS FILTERS;HIGH-TEMPERATURES;MODEL;COMPRESSION;BEHAVIOR;DETACHMENT;FILTRATION;OPERATION;RELEASE;MEDIA
Date:	2010
Issue Date:	2012-03-27 17:01:57 (UTC+8)
Publisher:	國立中央大學
Abstract:	A simplified theory is developed that yields the approximate stresses within a dust cake on the outer surface of ceramic candle filter and gives the critical factors which ensure complete detachment of cake. The radial and tangential stresses in cake during filtration have been derived by consideration of active state of stress in the dust cake. Back pulses of cleaning gas expand dust cake on the condition, that their power is just adequate to properties of cake, such as angle of internal friction and cohesion. Expansion of the dust cake induces tension cracks and disintegration of the cake. Back pulses of higher values hamper expansion of cake and cause "patchy" cleaning. (C) 2010 Elsevier B.V. All rights reserved.
Relation:	POWDER TECHNOLOGY
Appears in Collections:	[Departmant of Mechanical Engineering ] journal & Dissertation

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