Figure 19

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Effect of the flow rate ratio on the energy efficiency of the process (oil output per kW of power dissipated by the process), fEU = r/W, for different values of the capillary number, Ca, flow rate ratio, r, and viscosity ratio, . Arrows indicate increasing Ca values: →10−8 ≤ Ca ≤ 10−4 and - - - -> 4 × 10−7 ≤ Ca ≤ 10−4.