Compressor Instability with Integral Methods

Cover -- Contents -- Reviews -- Foreword -- I.1 About this Book -- I.2 Methods Used in this Book -- I.3 Research Application -- I.4 Acknowledgments -- I.5 Briefly Introduction of Software: FASTFLO -- I.6 References -- I.7 List of Publications Related to this Book -- I.8 Nomenclature -- Chapter 1 Study on the Propagation of Inlet Flow Distortion in Axial Compressor Using an Integral Method -- 1.1 Introduction -- 1.2 Theoretical Formulation -- 1.2.1 Velocity and Pressure -- 1.2.2 Forces -- 1.2.3 Distorted Region -- 1.2.4 Undistorted Region -- 1.2.5 Entire Region -- 1.2.6 Integral Equations -- 1.3 Numerical Method -- 1.3.1 Equations -- 1.3.2 4th-order Runge-Kutta Equations -- 1.4 Results and Discussion -- 1.4.1 Previous Results -- 1.4.2 Further Asymptotic Behavior Results -- 1.4.3 Mass Flow Rate -- 1.4.4 Critical Distortion Line -- 1.4.5 Compressor Performance and Characteristic -- 1.5 Concluding Remarks -- References -- Appendix 1.A: Fortran Program: Integral Method -- Appendix 1.B: Fortran Program: Critical Distortion Line -- Chapter 2 Stall Prediction of In-flight Compressor due to Flamming of Refueling Leakage near Inlet -- 2.1 Introduction -- 2.2 Inlet Flow Condition -- 2.3 Computational Domain -- 2.4 Application of Critical Distortion Line -- 2.5 Application of Integral Method -- 2.6 Compressor Characteristics -- 2.6.1 Effects of Rotor Blade Speed () -- 2.6.2 Effects of Inlet Distorted Region Size ((0)) -- 2.7 Concluding Remarks -- References -- Chapter 3 Parametric Study of Inlet Distortion Propagation in Compressor with Integral Approach and Taguchi Method -- 3.1 Introduction -- 3.2 Methodology -- 3.3 Results and Analysis -- 3.3.1 Case study 1: Drag-to-lift Ratio, K, is Varied -- 3.3.2 Case study 2: X-axis Inlet Distorted Velocity Coefficient, (0), is Varied -- 3.3.3 Case Study 3: Inlet Flow Angle, 0, is Varied -- 3.4 Conclusion -- References -- Chapter 4 A Development of Novel Integral Method for Prediction of Distorted Inlet Flow Propagation in Axial Compressor -- 4.1 Introduction -- 4.2 Theoretical Formulation -- 4.3 Results and Discussion -- 4.3.1 Lift and Drag Coefficients -- 4.3.2 Inlet Distorted Velocity Coefficient -- 4.3.3 Inlet Incident Angle -- 4.3.4 Propagation of Distortion Level -- 4.3.5 Compressor Characteristics -- 4.3.6 Argument for Airfoil Characteristics -- 4.4 Concluding Remarks -- References -- Appendix 4.A Fortran Program: Chebyshev Curve Fitting -- Chapter 5 Parametric Study of Greitzer's Instability Flow Model Through Compressor System Using Taguchi Method -- 5.1 Introduction -- 5.2 Mathematical Model -- 5.3 Numerical Methods -- 5.4 Results and Discussion -- 5.4.1 Analysis for Case 1: with Parameters B, G and K -- 5.4.2 Analysis for Case 2: with Parameters B, G and LC -- 5.4.3 Summary: Parameters B, G, K and LC -- 5.5 Conclusion.