Aerodynamic Influences of High-Speed Trains

1. Introduction References 2. Change of the Pressure Wave as Two Trains Opposite Meeting Pass on Open Line 2.1 Problem Statement 2.2 Research Methods 2.3 Analytical Model 2.4 Model Verification 2.5 Calculation and Analysis 2.6 Comparison of the Pressure Waves Generated by Different Shapes of the Train Head 2.7 Conclusions References 3. Pressure Wave Generated as Two Trains Opposite Meet in a Tunnel 3.1 Problem Statement 3.2 Research Methods 3.3 Three-Dimensional Simulation Analysis 3.4 Estimation of the Maximum Negative Pressure 3.5 Tunnel Critical Length and the Most Unfavorable Length when Two Trains Meet 3.6 Conclusions References 4. Aerodynamic Forces Generated as Two Trains Running in Opposite Directions Meet 4.1 Problem Statement 4.2 Research Methods 4.3 Computation Model and Basic Assumptions 4.4 Aerodynamic Forces Generated as Two Trains Meet on Open Line 4.5 Aerodynamic Forces Generated as Two Trains Meet in a Tunnel 4.5 Conclusions References 5. The Aerodynamic Effect of a Train Passing Through a Tunnel 5.1 Problem Statement 5.2 Research Methods 5.3 Analysis of Air Pressure Change as a Train Passes Through a Tunnel 5.4 The Most Unfavorable Tunnel Length as a Train Passes Through a Tunnel 5.5 Analysis of the Aerodynamic Effects of the Hood of the Tunnel 5.6 Aerodynamic Forces When a Train Passes Through a Double-Line Tunnel 5.7 Propagation of the Compression Wave in Long Tunnel 5.8 Conclusions References 6. Aerodynamic Effects of Train-Induced Airflow on Pedestrians 6.1 Problem Statement 6.2 Research Methods 6.3 Analysis Models 6.4 Results Analysis of the Numerical Calculation 6.5 The Relationship of the Aerodynamic Force with the Train Speed and the Distance and Train Shapes 6.6 Conclusions and Suggestion References 7. Impact of Crosswind on Train Operation 7.1 Problem Statement 7.2 Research Methods 7.3 Calculation Model and Train Operating Conditions 7.4 Crosswind Loads on Trains Without Windshields 7.5 Analysis of the Role of Windshields on Straight Railways 7.6 Analysis of the Optimal Height and Distance of the Windshield on Curve Railways 7.7 Conclusions References 8. Aerodynamic Effect of High-Speed Trains on the Windshield or Sound Barrier 8.1 Problem Statement 8.2 Research Methods 8.3 The Aerodynamic Load on the Sound Barrier 8.4 Strength Calculation of the Support Structure of the Sound Barrier 8.5 Fatigue Life Estimation of the Support Structure of the Sound Barrier 8.6 Conclusions References 9. Internal Flow Field of High-Speed Air-Conditioning Train 9.1 Problem Statement 9.2 Research Methods 9.3 Location of Fresh Air Inlets and Waste Exhaust Outlets 9.4 Calculation of Air Parameters in Passenger Car 9.5 Design Specification of Air Parameters and the Evaluation of Thermal Comfort in the Passenger Car 9.6 Comparison of Two Types of Air-Conditioning Systems 9.7 Impact of Sudden Changes in External Pressure on the Interior Environment of the Carriage 9.8 Conclusions References 10. External Aerodynamic Noise of High-Speed Train 10.1 Problem Statement 10.2 Research Methods 10.3 Numerical Analysis of External Sound Field of High-Speed Trains 10.4 The Far Field Aerodynamic Noise Including Quadrupole Sources 10.5 Calculation of the Sound Field caused by Micro-Pressure Wave 10.6 Conclusions References Appendix A: Tables Index Appendix B: Illustration Index Appendix C: Related papers published by Author in Recent Years