This chapter contains sections titled: 7.1 The sequence of preliminary design, 7.2 Blade shape, spacing, and number, 7.3 More-detailed design sequence emphasizing aircraft engines, 7.4 Blade-surface curvature-distribution effects, 7.5 Prescribed-curvature turbine-blade design, 7.6 Stator-rotor interactions, 7.7 Performance (efficiency) prediction of axial turbine stages, 7.8 Treatment of air-cooled turbines, 7.9 loss correlations, 7.10 Loss-coefficient data for axial-flow turbomachinery, 7.11 Turbine performance characteristics, References, Problems