Authors: Nwaizu, Charles, Zhang, Qiang
Identifier: CSBE17126
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Published in: CSBE-SCGAB Technical Conferences » AGM Winnipeg 2017 (with CIGR VI Technical Symposium)

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Description: Resistance to air flow in bulk grains is an important parameter that determine design and operation requirements for aeration and drying systems to preserve grain quality during storage. It is a well-known phenomenon that air flowing in the horizontal direction of a grain bulk encounters less resistance than in the vertical direction. Geometrical models were developed to predict this anisotropic behaviour of resistance to airflow through bulk grains. The models were developed based on the physical principle of compaction and particle orientations that occurred in bulk grain. Predictions from the resulting geometrical models gave satisfactory agreement with experimental data from literatures.

Keywords: Porosity, Resistance to airflow, Anisotropy, Geometrical models
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Date: 2017-08-07
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Conference name: CSBE/SCGAB 2017 Annual Conference, Canad Inns Polo Park, Winnipeg, Manitoba, 6-10 August 2017.
Session name: Poster Session

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Type: Text.Article
Format: PDF
Publication type: Technical conference
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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Development of geometrical models for predicting resistance to airflow in vertical and horizontal directions in bulk grains.