A review on flow characterization methods for cereal grain-based powders.

Area of Science:

• Materials Science
• Chemical Engineering
• Food Science

Background:

• Powder flow issues are prevalent in cereal grain industries during handling, storage, and processing.
• Existing research categorizes powder flow properties into indicators, shear properties, and dynamic properties.
• Particle non-uniformity in cereal powders complicates flow behavior characterization.

Purpose of the Study:

• To review specific flow characteristics impacting cereal grain-based powder flow.
• To highlight the importance of flow behavior knowledge for equipment design.
• To address complexities introduced by biological origin and environmental factors.

Main Methods:

• Literature review of studies on powder flow properties.
• Classification of flow properties (indicators, shear, dynamic).
• Analysis of factors influencing powder flow (particle characteristics, environment).

Main Results:

• No single property adequately quantifies powder flow due to multiple influencing factors.
• Biological origin, temperature, and humidity significantly affect flow.
• Understanding diverse flow characteristics is essential for effective powder management.

Conclusions:

• Effective characterization of cereal grain powder flow requires considering multiple properties.
• Knowledge of flow behavior is vital for designing efficient industrial processes.
• Addressing particle and environmental factors is key to overcoming flow difficulties.