Aerated Bulk Density is the ratio of material mass to volume when the material has been aerated. Note that some materials do not aerate. It is often necessary to aerate the material within the feed hopper to ensure that it enters the vessel and to aid conveying. Since the conveying rate is determined by the volume of material transferred within a particular time, knowledge of the aerated bulk density is vital to enable us to correctly size a system.
If the aerated bulk density of the material changes and becomes lower, then the volume of material that has to be conveyed to meet the rate demanded by the customer increases which in turn means that the system sizing may be too small. That is why accurate aerated bulk density figures are vital for successful sizing of systems.
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