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

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题名:	An approximate theory for stresses in dust cake of ceramic candle filters
作者:	Smid,J;Chyou,YP;Hsiau,SS
贡献者:	機械工程學系
关键词:	RIGID GAS FILTERS;HIGH-TEMPERATURES;MODEL;COMPRESSION;BEHAVIOR;DETACHMENT;FILTRATION;OPERATION;RELEASE;MEDIA
日期:	2010
上传时间:	2012-03-27 17:01:57 (UTC+8)
出版者:	國立中央大學
摘要:	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.
關聯:	POWDER TECHNOLOGY
显示于类别:	[機械工程學系] 期刊論文

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