When pumping oil with viscosity ν and density ρ through

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When pumping oil with viscosity ν and density ρ through a horizontal pipeline of length l and diameter d, the pressure drop was ΔР. Determine the mass hourly oil consumption if local losses are 10% of the length losses. New steel pipes, cold drawn.
Given: liquid - oil; ν = 0.15St = 15 * 10-6 m2 / s; ρ = 870 kg / m3; l = 5000m; d = 400mm = 0.4m; Δp = 1.1 MPa = 1.1 * 106Pa; 0,1htr = Σhm.
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