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Estimation of the effectiveness factor for a cylindrical catalyst support: A singular perturbation approach

✍ Scribed by T.C. Ho; G.C. HsiaO

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
467 KB
Volume
32
Category
Article
ISSN
0009-2509

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✦ Synopsis

A sunple expresston IS gven for calculatmg an approximate effectiveness factor for a fimte cyhnbcal catalyst support based on an l&Me cybnder This is developed by means of a smgular perturbation theory Comparmon with the exact value shows excellent agreement over a broad range of the Thlele modulus It IS suggested that effectiveness factors of fimte-sized particles can be obtamed based on pmcles of mfimte extent Some related problems m fhud mechanics and heat transfer are also bnetly discussed

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Assessment of the effectiveness of a boundary value approach for the estimation of the electric field distribution in exposed phantoms
✍ Salvatore Caorsi; Emanuela Bermani; Andrea Massa πŸ“‚ Article πŸ“… 2002 πŸ› John Wiley and Sons 🌐 English βš– 602 KB

## Abstract In this Letter a new approach for the estimation of the electric field distribution in phantoms exposed to not completely specified or unknown electromagnetic source is proposed. Starting from the knowledge of the tangential component of the electric field on a surface around the object