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Hydraulic Transport of Potatoes

Author

Listed:
  • Schaper, Lewis A.
  • Orr, Paul H.
  • Yaeger, Earl C.
  • Smith, Norman
  • Hunter, James H.

Abstract

Measured headlosses for potatoes transported in 9.5-inch-diameter horizontal and vertical pipes were compared with mathematically predicted headlosses. Measured and predicted headlosses agreed well when the predictions were made with equations that had been developed for the heterogeneous flow of sand and coal particles. Flow profiles were analyzed for potatoes transported in metal flumes with various cross sections and slopes. Manning roughness coefficient could be estimated with a form of an equation published for the heterogeneous flow of sand. Potato concentrations were varied and potato handling rates were varied from 780 to 1,800 pounds per minute in the trials conducted. Design criteria for pipelines and flumes were developed.

Suggested Citation

  • Schaper, Lewis A. & Orr, Paul H. & Yaeger, Earl C. & Smith, Norman & Hunter, James H., 1987. "Hydraulic Transport of Potatoes," Technical Bulletins 337131, United States Department of Agriculture, Economic Research Service.
    • Handle: RePEc:ags:uerstb:337131
    DOI: 10.22004/ag.econ.337131
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    References listed on IDEAS

    as
    1. Orr, Paul H., 1971. "Handling Potatoes from Storage to Packing Line, Methods and Costs," Marketing Research Reports 313647, United States Department of Agriculture, Agricultural Marketing Service, Transportation and Marketing Program.
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