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Residence time distribution of liquid flow in a trickle bed evaluated using FFT deconvolution with coordinated smoothing
Alternative TitleChem. Eng. Commun.
Mao, ZS; Xiong, TY; Chen, JY
1998-10-01
Source PublicationCHEMICAL ENGINEERING COMMUNICATIONS
ISSN0098-6445
Volume169Issue:1Pages:223-244
AbstractAn approach of deconvolution by the Fast Fourier Transform (FFT) is applied to analyze the tracer response for evaluation of residence time distribution (RTD) from the raw data obtained in a double run of tracer experiments. A novel intuitive technique of coordinated smoothing in the frequency and time domains is tested for its accuracy and compared with the literature-reported method of regularization for measurement noise filtering. Tracer experiments were performed in 75 mm I. D. trickle bed packed with 2.7 mm glass beads, and RTD charts sampled in the trickling flow regime indicate that serious maldistribution of liquid trickling flow and hydrodynamic multiplicity exists even for a trickle bed with the ratio of height to diameter being up to 10. Using FFT deconvolution with coordinated smoothing to remove the interference originated outside the packed section seems to be effective and necessary for analysis and interpretation of tracer experiments.; An approach of deconvolution by the Fast Fourier Transform (FFT) is applied to analyze the tracer response for evaluation of residence time distribution (RTD) from the raw data obtained in a double run of tracer experiments. A novel intuitive technique of coordinated smoothing in the frequency and time domains is tested for its accuracy and compared with the literature-reported method of regularization for measurement noise filtering. Tracer experiments were performed in 75 mm I. D. trickle bed packed with 2.7 mm glass beads, and RTD charts sampled in the trickling flow regime indicate that serious maldistribution of liquid trickling flow and hydrodynamic multiplicity exists even for a trickle bed with the ratio of height to diameter being up to 10. Using FFT deconvolution with coordinated smoothing to remove the interference originated outside the packed section seems to be effective and necessary for analysis and interpretation of tracer experiments.
KeywordResidence Time Distribution Deconvolution Noise Filtering Trickle Bed Discrete Fast Fourier Transform
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
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Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000165535400013
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6052
Collection研究所(批量导入)
Affiliation1.Acad Sinica, Inst Chem Met, Beijing 100080, Peoples R China
2.Acad Sinica, Inst Met Res, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Mao, ZS,Xiong, TY,Chen, JY. Residence time distribution of liquid flow in a trickle bed evaluated using FFT deconvolution with coordinated smoothing[J]. CHEMICAL ENGINEERING COMMUNICATIONS,1998,169(1):223-244.
APA Mao, ZS,Xiong, TY,&Chen, JY.(1998).Residence time distribution of liquid flow in a trickle bed evaluated using FFT deconvolution with coordinated smoothing.CHEMICAL ENGINEERING COMMUNICATIONS,169(1),223-244.
MLA Mao, ZS,et al."Residence time distribution of liquid flow in a trickle bed evaluated using FFT deconvolution with coordinated smoothing".CHEMICAL ENGINEERING COMMUNICATIONS 169.1(1998):223-244.
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