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Hydraulic jumps in granular material flow

Brennen, C. E. and Sieck, K. and Paslaski, J. (1983) Hydraulic jumps in granular material flow. Powder Technology, 35 (1). pp. 31-37. ISSN 0032-5910. doi:10.1016/0032-5910(83)85023-2.

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This paper investigates the formation of hydraulic jumps in the open channel flow of dry, cohesionless granular materials. The experimental observations include the identification of several types of jump and several types of downstream flow. The relation between the depth ratio across the jump and the Froude number is similar to that observed in the open channel flow of liquid. However, the ratio h₂/h₁ in the granular material case is larger by a factor of between 1.2 and 1.5 Analysis of this factor indicates that it is caused by a 10 to 20% reduction in the solid fraction below its critical value in the highly sheared supercritical flow upstream of the jump.

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Additional Information:Received 6 July 1982. Available online 24 July 2001. The authors are grateful to Professor R. H. Sabersky and Charles Campbell for their guidance and for financial assistance under NSF Grant #CME 79 15132 and from Union Carbide Corporation.
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NSFCME 79 15132
Union Carbide CorporationUNSPECIFIED
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Record Number:CaltechAUTHORS:BREpt83
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63
Deposited By: Christopher Brennen
Deposited On:26 Aug 2004
Last Modified:08 Nov 2021 19:00

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