CFD simulation of mixing in anaerobic digesters

Mitsuharu Terashima, Rajeev Goel, Kazuya Komatsu, Hidenari Yasui, Hiroshi Takahashi, Y. Y. Li, Tatsuya Noike

研究成果: Article査読

139 被引用数 (Scopus)

抄録

A three-dimensional CFD model incorporating the rheological properties of sludge was developed and applied to quantify mixing in a full-scale anaerobic digester. The results of the model were found to be in good agreement with experimental tracer response curve. In order to predict the dynamics of mixing, a new parameter, UI (uniformity index) was defined. The visual patterns of tracer mixing in simulation were well reflected in the dynamic variation in the value of UI. The developed model and methods were applied to determine the required time for complete mixing in a full-scale digester at different solid concentrations. This information on mixing time is considered to be useful in optimizing the feeding cycles for better digester performance.

本文言語English
ページ(範囲)2228-2233
ページ数6
ジャーナルBioresource Technology
100
7
DOI
出版ステータスPublished - 2009 4月 1

ASJC Scopus subject areas

  • バイオエンジニアリング
  • 環境工学
  • 再生可能エネルギー、持続可能性、環境
  • 廃棄物管理と処理

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