Derivation and Application of a Generalized Correlation for Mass Transfer in Packed Beds

Derivation and Application of a Generalized Correlation for Mass Transfer in Packed Beds
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填充床传质广义关联式的推导与应用

DOI:
10.1002/cite.201600045
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发表时间:
2017
影响因子:
1.9
通讯作者:
Rüdiger
Rüdiger
中科院分区:
工程技术4区
文献类型:
--
作者:
Reichelt;Matthias;Rüdiger

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建立了填充床传质的广义关联式。它是从对单球传质的考虑而得到的。用文献数据对雷诺数、施密特数和床层孔隙率的大范围内的相关性进行了验证。重点研究了低雷诺数下的气固传质,给出了自己的实验结果。利用建立的关联式,讨论了不同床层性质和轴向弥散对传质的影响。
A generalized correlation for mass transfer in packed beds is developed. It is derived from considerations on single sphere mass transfer. The correlation is validated over a wide range of Reynolds numbers, Schmidt numbers, and bed porosities with literature data. Particular attention is paid to gas‐solid mass transfer at low Reynolds numbers where own experimental results are presented. With the help of the developed correlation, the influence of different bed properties and axial dispersion on mass transfer is discussed.
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