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Table 2 Coefficients of Equation 3

From: Experimental investigation of erosion-corrosion phenomena in a steel fitting due to plain and slurry seawater flow

Flow regime b 1 b 2
Uncontaminated seawater (laminar) 2 × 10−5 0.016
Uncontaminated seawater (turbulent) 3 × 10−6 0.730
Contaminated seawater (laminar) \( \left(2{\mathrm{C}}_{\mathrm{s}}^2-30{\mathrm{C}}_{\mathrm{s}}+200\right)\times {10}^{-7} \) \( \left(-{\mathrm{C}}_{\mathrm{s}}^2-21{\mathrm{C}}_{\mathrm{s}}-10\right)\times {10}^{-3} \)
Contaminated seawater (turbulent) \( \left(6{\mathrm{C}}_{\mathrm{s}}^2-5{\mathrm{C}}_{\mathrm{s}}+4\right)\times {10}^{-7} \) \( \left(2{\mathrm{C}}_{\mathrm{s}}^2-5{\mathrm{C}}_{\mathrm{s}}-41\right)\times {10}^{-3} \)