Calculation and result. No. Speed (rpm) Suction Pressure (cm.Hg) Discharge Pressure (kg/cm²) Rotameter reading ( L/min) Dynamometer Force (kg.) 1230101.25101.

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Presentation transcript:

Calculation and result

No. Speed (rpm) Suction Pressure (cm.Hg) Discharge Pressure (kg/cm²) Rotameter reading ( L/min) Dynamometer Force (kg.)

No. Suction Pressure, P1 (cm.Hg) Discharge Pressure, P2 (kg/cm²) Pressure head at section 1 (m.) Pressure head at section 2 (m.) Z₂-Z₁ (m.) H (m.) (2300rp m) Find pump head (H)

No. Speed (rpm) Dynamometer Force (kg.) Moment arm, r (m.) Torque, T (Nm.) (2300rpm) T = F×r Find torque (T)

No. Speed (rpm) Torque, T (Nm.) Shaft roatational Speed, Ѡ (rad./s) Shaft input power, P (W.) (2300rpm) P = T×ω Find power (P)

No. Rotameter reading ( L/min) Discharge, Q (m³/s) H (m.) Shaft input power, P (W.) Efficiency, ƞ (%) (2300rpm ) Find efficiency (ƞ)

No. H (m.) Shaft input power, P (W.) Discharge, Q (m³/s) Shaft rotational Speed, Ѡ (rad./s) Impeller Diameter, D (m.) (2300rp m) Find pump coefficients