论文信息 - GENERALIZED EQUATION FOR AIRFLOW RESISTANCE OF BULK GRAINS WITH VARIABLE DENSITY, MOISTURE CONTENT AND FINES∗

GENERALIZED EQUATION FOR AIRFLOW RESISTANCE OF BULK GRAINS WITH VARIABLE DENSITY, MOISTURE CONTENT AND FINES∗

ABSTRACT The pressure drop versus airflow data for several types of grains were compiled and a grain specific generalized pressure drop versus airflow equation was developed. The equation predicted pressure drop as a function of airflow when porosity, moisture content and fine concentration were specified. The effect of properties of airflow on the resistance of bulk grain to airflow was also considered in the generalized equation. A modified Leva's equation was developed. The similarity between the grain specific equation and the modified Leva's equation led to a method for estimating the shape factor for irregularly shaped particles.

S. Sokhansanj | Shahab Sokhansanj | Wenyin Li | Wenyin Li

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