Railway Engineering

  1. Train Dynamics and Performance
    1. Train Resistance
      1. Rolling Resistance
        1. Wheel-Rail Contact
          1. Contact Mechanics
            1. Deformation Losses
            2. Bearing Resistance
              1. Friction Losses
                1. Lubrication Effects
              2. Gradient Resistance
                1. Calculation Methods
                  1. Component of Weight
                    1. Grade Percentage Effects
                    2. Operational Impact
                    3. Curve Resistance
                      1. Factors Affecting Curve Resistance
                        1. Wheel Flange Contact
                          1. Creep Forces
                          2. Calculation Methods
                          3. Air Resistance
                            1. Aerodynamic Effects
                              1. Drag Coefficient
                                1. Speed Dependency
                                2. Tunnel Effects
                              2. Tractive Effort
                                1. Calculation of Tractive Effort
                                  1. Available Tractive Effort
                                    1. Required Tractive Effort
                                    2. Factors Influencing Tractive Effort
                                      1. Locomotive Weight
                                        1. Rail Conditions
                                          1. Speed Effects
                                        2. Adhesion and Wheel Slip
                                          1. Wheel-Rail Adhesion
                                            1. Adhesion Coefficient
                                              1. Factors Affecting Adhesion
                                              2. Causes of Wheel Slip
                                                1. Excessive Tractive Effort
                                                  1. Poor Rail Conditions
                                                  2. Methods to Improve Adhesion
                                                    1. Sanding Systems
                                                      1. Wheel Slip Control
                                                    2. Braking Distance and Calculations
                                                      1. Factors Affecting Braking Distance
                                                        1. Initial Speed
                                                          1. Braking Force
                                                            1. Grade Effects
                                                            2. Calculation Methods
                                                              1. Physics-Based Calculations
                                                                1. Empirical Formulas
                                                              2. Train Performance Simulation
                                                                1. Performance Curves
                                                                  1. Speed-Time Curves
                                                                    1. Distance-Time Curves
                                                                    2. Simulation Tools and Techniques
                                                                      1. Computer Modeling
                                                                        1. Performance Optimization

                                                                    Previous

                                                                    6. Rolling Stock

                                                                    Go to top

                                                                    Next

                                                                    8. Railway Signaling and Train Control