PUmp flow rate Calculator

Name: Pump Flow Rate Calculator
Price: free
Availability: InStock

Centrifugal Pump Flow Rate Calculator

Formula 1: Basic Flow Rate Formula

Q = A × V

Cross-sectional Area (A)

Please enter a valid area

Velocity (V)

Please enter a valid velocity

Result

Flow Rate

Formula 2: Flow Rate from Pump Performance

Q = Cq × N × D³

Flow Coefficient (Cq)

Please enter a valid flow coefficient

Rotational Speed (N) - rev/s

Please enter a valid speed

Impeller Diameter (D)

Please enter a valid diameter

Result

Flow Rate

Formula 3: Flow Rate using Affinity Laws

Q₂/Q₁ = (N₂/N₁) × (D₂/D₁)³

Initial Flow Rate (Q₁) - m³/s

Please enter a valid initial flow rate

Initial Speed (N₁) - RPM

Please enter a valid initial speed

Initial Diameter (D₁)

Please enter a valid initial diameter

New Speed (N₂) - RPM

Please enter a valid new speed

New Diameter (D₂)

Please enter a valid new diameter

Result

New Flow Rate

Formula 4: Flow Rate from Head and Efficiency

Q = P × η / (ρ × g × H)

Power Input (P) - W

Please enter a valid power

Pump Efficiency (η) - decimal

Please enter a valid efficiency (0-1)

Fluid Density (ρ) - kg/m³

Please enter a valid density

Total Head (H)

Please enter a valid head

Result

Flow Rate

Formula 5: Flow Rate using Velocity Triangle

Q = π × D × b × Vr

Impeller Diameter (D)

Please enter a valid diameter

Impeller Blade Width (b)

Please enter a valid blade width

Radial Velocity Component (Vr)

Please enter a valid radial velocity

Result

Flow Rate

PUmp flow rate Calculator

PUmp flow rate Calculator

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