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Improving the Pressurized Flushing Efficiency in Reservoirs: an Experimental Study

Author

Listed:
  • Mohamad Reza Madadi

    (Shahid Bahonar University of Kerman)

  • Majid Rahimpour

    (Shahid Bahonar University of Kerman)

  • Kourosh Qaderi

    (Shahid Bahonar University of Kerman)

Abstract

Sediment flushing in many reservoirs of the world is accomplished with low efficiency. In this study, a new configuration was proposed for reservoir bottom outlet to increase the pressurized flushing efficiency. In the new configuration, a projecting semi-circular structure was connected to the upstream edge of bottom outlet. It was observed that by employing the projecting bottom outlet, the sediment removal efficiency increased significantly compared to the flushing via typical bottom outlet. In the case of new-configuration bottom outlet with L sc /D outlet = 5.26 and D sc /D outlet = 1.32, the dimensionless length, width and depth of flushing cone increased 280%, 45% and 14%, respectively, compared to the reference test. The proposed structure can ensure the sustainable use of reservoirs.

Suggested Citation

  • Mohamad Reza Madadi & Majid Rahimpour & Kourosh Qaderi, 2017. "Improving the Pressurized Flushing Efficiency in Reservoirs: an Experimental Study," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 31(14), pages 4633-4647, November.
    • Handle: RePEc:spr:waterr:v:31:y:2017:i:14:d:10.1007_s11269-017-1770-y
    DOI: 10.1007/s11269-017-1770-y
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