System Design Equations Key System Design Equations 1 Total Dynamic Head (TDH) Equation Definition: Total energy added to fluid by pump, including static, pressure, velocity, and friction components. $H_{total} = H_{static} + H_{pressure} + H_{velocity} + H_{friction}$ $H_{total} = (z_2 - z_1) + \frac{P_2 - P_1}{\rho g} + \frac{V_2^2 - V_1^2}{2g} + h_f$
Single-Stage Centrifugal Pump (End-Suction) Typical Industrial-Scale Example Specifications: Pump Type: Horizontal End-Suction Single-Stage Centrifugal Pump (ASME B73.1 Compliant) Design Specifications: · Flow Rate (Q): 100 m³/h (440 GPM) · Total Dynamic Head (H): 50 m (164 ft) · Rotational Speed (N): 2900 RPM (50 Hz) / 3500 RPM (60 Hz) · Power Rating: 22 kW (30 HP) · Efficiency (η): 78% at BEP · NPSH Required: 3.5 m · Impeller Diameter: 250 mm (10 in) · Suction Nozzle: DN100 (4 in) · Discharge Nozzle: DN80 (3 in) · Material: Stainless Steel 316 (wetted parts), Cast Iron (casing) · ...