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2019 Boston, Massachusetts July 7- July 10, 2019 - Computational modeling of continuum scale constitutive equations to improve biomass feedstock material handling and conveying systems by Yi, Hojae; Puri, Virendra M; Lanning, Christopher J.; Dooley, James H is a scholarly article available to read on EtoBox.

What is 2019 Boston, Massachusetts July 7- July 10, 2019 - Computational modeling of continuum scale constitutive equations to improve biomass feedstock material handling and conveying systems about?

Existing design practices for common feedstock handling equipment such as hoppers and screw feeders have not been successful in many situations. The lack of an appropriate toolset to characterize and model biomass flow behavior is deemed the root cause of plugging, stalls, and flow-related issues in biomass handling systems design and operations. New standardized characterization protocols in conjunction with appropriate constitutive models will lead to successful biomass handling system design and operations. This study investigates constitutive models for bulk solid flow based on the first principles to overcome issues in biomass handling. The focus is on two major issues in biomass handling, i.e., initiating and sustaining of flow in the hopper that is widely used in biomass conveying operation. Accordingly, this article focuses on analytical models of biomass hopper flow. Mohr-Coulomb, Drucker-Prager, and modified Cam-clay models are investigated as constitutive bulk solid flow models. Parameters of those models are determined using a set of triaxial tests. Triaxial tests are conducted using the cubical triaxial tester (CTT) in the Food and Biomaterials Lab of the Pennsylvania

Author

Yi, Hojae; Puri, Virendra M; Lanning, Christopher J.; Dooley, James H

Publisher

American Society of Agricultural and Biological Engineers

Published

2019

Language

EN