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Solution of moving boundary problems for gas—solid noncatalytic reactions by orthogonal collocation

✍ Scribed by M.P. Duduković; H.S. Lamba

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
1021 KB
Volume
33
Category
Article
ISSN
0009-2509

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✦ Synopsis

An integral transformation, a coordmate transformation for lmmoblllzauon of the moving boundary, and orthogonal collocation are used to reduce a no&near m&al-boundary value problem m tune and space to a set of ordmary dtierenti equations m tune with given uutial condltlons The method IS developed for solution of models for gas-sohd noncatalytx reactions and IS especially usefut for movmg boundary, two-stage reaction problems The method represents an advantage and an alternative to the available finite difference techniques Results of various gas-sohi reactton models are analyzed

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Solution of moving boundary problems for
Solution of moving boundary problems for gas—solid noncatalytic reactions by orthogonal collocation—revisited
✍ M.P. Duduković; Y.B. Yang 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 527 KB

The validity of the method introduced by Dudukovi6 and Lamba (1978) for treatment of gas-solid reactions with a moving boundary is confirmed. ## ZNTRODUCTlON The purpose of this paper is to clarify the possible misunderstanding resulting from the paper of Xu and Hoffmann (1989). In that paper (we