Prediction of Pressure Drop in Adsorption Filter Using Friction Factor Correlations for Packed Bed

  • Ruiyan Zhang
  • Zhenhai LiEmail author
  • Lingjie Zeng
  • Fei Wang
Conference paper
Part of the Environmental Science and Engineering book series (ESE)


Adsorption filters in air cleaners are usually produced as honeycomb structure filled with granular adsorbent, which can be seen as numerous parallel arranged fixed beds. In order to investigate if the friction factor correlations for packed bed can be used in adsorption filter, experimental study was conducted using adsorption filters filled with spherical, columnar and crushed activated carbon from 2 to 20 mesh. The range of void fraction of adsorption filters is 0.29–0.92, and the range of particle Reynolds number is 8–1072. Comparing the experimental data with the calculation results using 12 published friction factor correlations, results show that large differences exist between the experimental data and the calculated values. Considering such large differences, friction factor correlations for packed bed are likely not suitable for prediction of pressure drop in adsorption filter.


Pressure drop Adsorption filter Friction factor 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Ruiyan Zhang
    • 1
  • Zhenhai Li
    • 1
    Email author
  • Lingjie Zeng
    • 1
  • Fei Wang
    • 1
    • 2
  1. 1.School of Mechanical EngineeringTongji UniversityShanghaiChina
  2. 2.School of Environment and ArchitectureUniversity of Shanghai for Science and TechnologyShanghaiChina

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