李人宪，1982年毕业于西安交通大学，获学士学位；之后到西南交通大学任教。1988年获工学硕士学位，1998年获工学博士学位。2002~2003年在瑞士联邦苏黎世理工学院做访问学者，2005年受英语皇家学会资助在剑桥大学作短期科学研究。现任西南交通大学机械工程学院教授，博士研究生导师。主要从事内燃机性能和车辆空气动力学领域的研究，主持完成多项*家级、省部级和企业委托的科研项目。已发表研究论文100余篇，主编出版图书4本。

Withthecontinuousimprovementoftheoperationspeedofhigh-speedrailways,theadverseeffectsoftheaerodynamicimpactontralnoperation,tunnelmaintenance,railwayserviceliteandthesafetyofroadsidepersonnelareincreasinglyprominent.Thisbookusesnumericalcalculationmethodstodiscussnineaerodynamicproblemnsofhigh-speedtrainthataredifficulttostudyusingrealmeasurementandwindtunnelmodeltestmethods.

Thisbookcanbeusedasareferenceforteachers.studentsanddesignresearchersinthefieldofhigh-speedtrainaerodynamics.

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