Variable Flow rate Specific energy Power Rotational speed Size Density Viscosity ● T₁: capacity (or flow) coefficient •
Posted: Thu Jun 02, 2022 10:06 am
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