Principles of Turbomachinery

actual airfoil analysis axial velocity axial-flow axial-flow compressor B₂ blade angles blade speed boundary layer cascade cavitation centrifugal Centrifugal Compressors characteristic compressible flow compressor constant curve decrease deflection degree of reaction diameter diffuser dimensional analysis dimensionless dimensions discharge drag coefficient effect energy transfer enthalpy equation Euler Euler equation expressed factor flow rate fluid angle Francis turbines friction gas turbine give given head hence impeller impulse turbine incidence increase inlet isentropic Kaplan turbine kinetic energy lift coefficient loss Mach number machine mass flow maximum method nozzle overall P₁ P₂ parameter Pelton wheel performance pressure ratio pumps radial radius range reduced relationship Reynolds number rotation rotor shown in Fig shows specific speed stagger stall stator steam turbines subsonic supersonic T₁ temperature tests turbomachines U/V₁ V₁ V₂ vanes variables velocity diagram whirl velocity