Discharge mass flow
Storage and gravity flow of granular solids in silos Engineering and accidentology
Quizzed article REF: J2259 V1
Discharge mass flow
Storage and gravity flow of granular solids in silos Engineering and accidentology

Authors : Khashayar SALEH, Mikel LETURIA

Publication date: January 10, 2020, Review date: October 1, 2020 | Lire en français

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2. Discharge mass flow

Several research groups have analyzed the emptying mass flow rate (or withdrawal mass flow rate) observed at silo outlets. The first studies on this subject date back to the early 20th century. To make the best use of this literature, it is essential to note that the discharge mass flow rate of a granular material can vary significantly between a flat-bottomed silo and a silo with a conical hopper.

2.1 Correlations available in the literature

Table 1 summarizes the main correlations available in the literature for assessing silo discharge mass flow.

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