Variable Flow rate Specific energy Power Rotational speed Size Density Viscosity ● T₁: capacity (or flow) coefficient •

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Variable Flow Rate Specific Energy Power Rotational Speed Size Density Viscosity T Capacity Or Flow Coefficient 1 (384.56 KiB) Viewed 23 times

Variable Flow rate Specific energy Power Rotational speed Size Density Viscosity ● T₁: capacity (or flow) coefficient • T₂: head coefficient ● • T3: power coefficient ● • T₁: reciprocal of Reynolds number Symbol Q E (=gH) P N D P μ T₁= π3 = Dimensions L³T-1 L²T-2 ML²T-3 T-1 L ML-3 ML-¹T-1 Q E T₂= ND³ N²D² P =Cp μ π4= pN³D5 pND² Prove it ¹₁, ¹₂, л and for the hydraulic turbine above = 4 = = gH N²D² = Y