FIFO: first-in, first-out
- first in - first out.
- little segregation.
- steady flow and a well controllable discharge.
- no ageing or decay.
- no contamination.
- fit for HACCP.
- possibility of "following" product batches.
- For abrasive products: wear of the wall.
- Risk of silo quaking.
When mass flow occurs, the whole contents of the silo is moving as soon as
product is withdrawn from the silo. For more information on mass flow design see article silo design.
When mass flow does not occur, the flow type in the silo is called core flow , funnel flow or ratholing.