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Experimental study of the drag reduction in turbulent pipe flow

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  • Sad Chemloul, N.

Abstract

In this work two-component LDV (Laser Doppler Velocimetry) technique was used to measure the effect of polymer on the drag reduction in a fully developed turbulent pipe flow. The Reynolds number based on the mean velocity, the pipe diameter and the local viscosity at the wall is approximately 10,000. The polymer solutions with three different concentrations are used and have been chosen such that maximum drag reduction occurs. The amount of drag reduction found is 60–70%. Our experimental results are compared with results obtained with water and with a very dilute solution which exhibits only a small amount of drag reduction.

Suggested Citation

  • Sad Chemloul, N., 2014. "Experimental study of the drag reduction in turbulent pipe flow," Energy, Elsevier, vol. 64(C), pages 818-827.
    • Handle: RePEc:eee:energy:v:64:y:2014:i:c:p:818-827
    DOI: 10.1016/j.energy.2013.10.055
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