Axial Compressor Diffusion Calculator

Turbomachinery Aerodynamics: Compute rotor relative velocity triangles, Lieblein diffusion factor ($D$), and de Haller deceleration ratio ($W_2/W_1$).

Compressor Rotor Kinematics

Blade Peripheral Speed $U$ (m/s):

Axial Flow Velocity $C_a$ (m/s):

Inlet Swirl Angle $alpha_1$ (°):

Rotor Exit Relative Angle $eta_2$ (°):

Blade Solidity $sigma = c / s$:

Axial Velocity Ratio ($C_{a2}/C_{a1}$):

Aerodynamic Loading & Diffusion Limits

Lieblein Diffusion ($D$)

de Haller Ratio ($W_2/W_1$)

Stage Work ($Delta h_0$)

-- kJ/kg

Stall Boundary Margin

Velocity Triangle Diagnostics

• Rotor Inlet Relative Velocity ($W_1$): -- m/s

• Rotor Exit Relative Velocity ($W_2$): -- m/s

• Flow Coefficient ($\phi = C_a / U$): --

• Stage Loading Coefficient ($\psi = \Delta h_0 / U^2$): --

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Axial Compressor Diffusion Calculator

Compressor Rotor Kinematics

Aerodynamic Loading & Diffusion Limits

Velocity Triangle Diagnostics

Frequently Asked Questions