Vertical pneumatic conveying: An experimental study with particles in the intermediate and turbulent flow regimes

Leung, L. S.; Wiles, Robert J.; Nicklin, U. J.

doi:10.1002/cjce.5450510324

Cited by 2 publications

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“…For dense phase conveying the slip velocity between gas and solid is necessarily higher than that corresponding to minimum fluidization. The equation for predicting the tránsition from dense phase flow (fluidized bed flow) to moving bed flow may be derived by equating the slip velocity iii vertical pneumatic conveying with the slip velocity at incipient fluidization (Leung et al, 1969). At this transition the voidage in the tube is equal to the voidage at minimum fluidization.…”

Section: Flow Patterns In Vertical Conveyingmentioning

confidence: 99%

A Quantitative Design Procedure for Vertical Pneumatic Conveying Systems

Leung¹,

Wiles²

1976

Ind. Eng. Chem. Proc. Des. Dev.

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In vertical pneumatic conveying, the task of the design engineer Is, for a given rate of conveying a particular solid, to specify pipe size, air flow rate, pressure drop, and flow pattern In the riser. In this paper a quantitative procedure for tackling this design problem Is outlined. The procedure Is an updated version of an earlier procedure presented by Leung et al. (1971a) and is based on recent advances on prediction of flow regime and pressure drop in vertical pneumatic conveying.

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Section: Flow Patterns In Vertical Conveyingmentioning

confidence: 99%

A Quantitative Design Procedure for Vertical Pneumatic Conveying Systems

Leung¹,

Wiles²

1976

Ind. Eng. Chem. Proc. Des. Dev.

Self Cite

View full text Add to dashboard Cite

show abstract

“…The transition from fluidized flow to a packed bed in vertical pneumatic conveying is entirely analogous to the transition from fluidized flow to packed-bed flow in vertical hydraulic conveying. The latter transition we have discussed elsewhere (Leung et al, 1969), and a method for predicting the transition in hydraulic conveying was described. The same method may be used for predicting this transition in pneumatic conveying.…”

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confidence: 99%