机构:
Kennedy Van Saun Corp, Danville, PA,, USA, Kennedy Van Saun Corp, Danville, PA, USAKennedy Van Saun Corp, Danville, PA,, USA, Kennedy Van Saun Corp, Danville, PA, USA
Rogers, R.S.C.
[1
]
Austin, L.G.
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机构:
Kennedy Van Saun Corp, Danville, PA,, USA, Kennedy Van Saun Corp, Danville, PA, USAKennedy Van Saun Corp, Danville, PA,, USA, Kennedy Van Saun Corp, Danville, PA, USA
Austin, L.G.
[1
]
机构:
[1] Kennedy Van Saun Corp, Danville, PA,, USA, Kennedy Van Saun Corp, Danville, PA, USA
A review is made of the methods and theory of measurements of residence time distributions (RTD) in mills. Mean residence times indicate that some industrial mills are operated in the over-filled condition leading to poor breakage conditions. The general form of measured RTD's is consistent with an axial convective-mixing model but this model does not explain why the Peclet number is independent of mill length-to-diameter ratio and mass throughput.