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ENERGY TRANSFER BETWEEN A FLUID AND A ROTOR
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airfoil analysis axial velocity axial-flow axial-flow compressor 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 friction gas turbine give given head hence ideal flow impeller impulse turbine incidence increase inlet isentropic Kaplan turbine kinetic energy lift coefficient loss Mach number machine mass flow maximum method nozzle operating optimum outlet angle overall parameter Pelton wheel performance pressure ratio pumps radial radius range reduced relationship Reynolds number rotation rotor shown in Fig shows specific speed stagger stall static pressure stator steam turbine subsonic supersonic temperature tests tion turbomachines U/Vi vanes variables velocity diagram volute whirl velocity