And Theory Pdf [portable]: Turbomachines A Guide To Design Selection

7‑section concise guide: Turbomachines — design, selection, and theory

Definition: Rotating machines that transfer energy between a rotor and a fluid (gas or liquid).
Main classes: Pumps, compressors, fans, turbines (axial, radial/centrifugal, mixed‑flow).
Key application drivers: Working fluid, flow rate, head/pressure rise, efficiency, speed, power, stability.

Key geometric decisions:

Theoretical Background

Estimate stage count: use typical per‑stage head or pressure ratio (axial compressors/turbines use many stages; centrifugal usually 1–3 stages).

Preliminary sizing: blade speed U ≈ √(Δh) for turbines/compressors relation via Euler; diameter from U = ω·r and allowable rpm.

Aerodynamic loading: choose degree of reaction, flow turning, and blade geometry family.

Check off‑design, surge/stall margins, cavitation (pumps), mechanical stresses, vibration.

Iterate with efficiency/loss models; finalize detailed geometry and materials.