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The EMMS model - its application, development and updated concepts
Alternative TitleChem. Eng. Sci.
Li, JH; Cheng, CL; Zhang, ZD; Yuan, J; Nemet, A; Fett, FN
1999-11-01
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume54Issue:22Pages:5409-5425
AbstractCirculating fluidized beds (CFB) operate with a heterogeneous structure consisting of a solid-rich dense phase and a gas-rich dilute phase, the variational criterion and the critical condition of which are indispensable for CFB quantification. With such a strategy, a comprehensive model is developed on the basis of the energy-minimization multi-scale (EMMS) approach. The model is capable of predicting the saturation carrying capacity and the steady states at both the top and the bottom of an S-shaped axial profile. Comparison between the model prediction and available experimental data shows reasonable agreement. In addition, the overall strategy adopted in the EMMS approach is also discussed with updated concepts. It is concluded that the variational criterion (or something equivalent) in analyzing heterogeneous two-phase systems is indispensable unless the observation scale can be sufficiently small. (C) 1999 Elsevier Science Ltd. All rights reserved.; Circulating fluidized beds (CFB) operate with a heterogeneous structure consisting of a solid-rich dense phase and a gas-rich dilute phase, the variational criterion and the critical condition of which are indispensable for CFB quantification. With such a strategy, a comprehensive model is developed on the basis of the energy-minimization multi-scale (EMMS) approach. The model is capable of predicting the saturation carrying capacity and the steady states at both the top and the bottom of an S-shaped axial profile. Comparison between the model prediction and available experimental data shows reasonable agreement. In addition, the overall strategy adopted in the EMMS approach is also discussed with updated concepts. It is concluded that the variational criterion (or something equivalent) in analyzing heterogeneous two-phase systems is indispensable unless the observation scale can be sufficiently small. (C) 1999 Elsevier Science Ltd. All rights reserved.
KeywordFluidization Simulation Energy-minimization Multi-scale
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordGAS-SOLID FLUIDIZATION
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000082287100007
Citation statistics
Cited Times:96[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5915
Collection研究所(批量导入)
Affiliation1.Acad Sinica, Inst Chem Met, Beijing 100080, Peoples R China
2.Univ Siegen, Inst Energy Technol, D-57068 Siegen, Germany
Recommended Citation
GB/T 7714
Li, JH,Cheng, CL,Zhang, ZD,et al. The EMMS model - its application, development and updated concepts[J]. CHEMICAL ENGINEERING SCIENCE,1999,54(22):5409-5425.
APA Li, JH,Cheng, CL,Zhang, ZD,Yuan, J,Nemet, A,&Fett, FN.(1999).The EMMS model - its application, development and updated concepts.CHEMICAL ENGINEERING SCIENCE,54(22),5409-5425.
MLA Li, JH,et al."The EMMS model - its application, development and updated concepts".CHEMICAL ENGINEERING SCIENCE 54.22(1999):5409-5425.
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