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Chemical and Process Engineering Resources

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Category: Equipment Design
Question: What is the angle of repose and what are its applications in the chemical industry ?
Keywords: angle,repose
Answer: The dictionary defines "angle of repose" as:"the inclination of a plane at which a body placed on the plane would remain at rest, or if in motion would roll or slide down with uniform velocity; the angle at which the various kinds of earth will stand when abandoned to themselves." Applications to the chemical industry?....think about the design of the conical section of a storage bin. What if the conical angle was less than the angle of repose? The material wouldn't fall out the bottom as we may want. This concept is also important in the design of system designed to move bulk solids....for the same reasons.