1. Analytical expression of tractive effort-velocity (Z-V) diagram belonging to a 130-tone- diesel loco is as...

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1. Analytical expression of tractive effort-velocity (Z-V) diagram belonging to a 130-tone- diesel loco is as follows: 0<V < 80 km/hr 80 km/hr <V < 160 km/hr Z=-50V + 22 500 kg Z-225V +36 500 kg 1.1) (20p) (LO3) The loco is accelerating from 70 km/hr to 90 km/hr with using maximum tractive effort. Calculate total travel time (sec), total distance (m) and total consumed energy (kWh) during acceleration. Hint: 570 tone wagon-set is pulled by loco. Running resistance: Wo = 2 + V²/3000 kg/t Aerodynamic resistance and curvature resistance are omitted. (wt, wr=0 kg/t) Slope: 13,ab% (last digit of you student number is a. digit before the last one is b. Example: student number: XXXXXXXX97 a: 7 and b: 9 so ab: 79 and in that case S=13,79%) Mass factor: 1/p=102+a (last digit of your student number is a. XXXXXXXXXa Example: if last digit of your student number is 6 then a=6 and 1/p=102+6=108) AV ≤ 20 km/sa 1.2) (5p) (LO5) Determine the gradient that the same wagon-set can be pulled by the loco at the maximum speed. 1.3) (5p) (LO5) Determine wagon weight that can be pulled at the maximum speed on a 16% gradient. 1. Analytical expression of tractive effort-velocity (Z-V) diagram belonging to a 130-tone- diesel loco is as follows: 0<V < 80 km/hr 80 km/hr <V < 160 km/hr Z=-50V + 22 500 kg Z-225V +36 500 kg 1.1) (20p) (LO3) The loco is accelerating from 70 km/hr to 90 km/hr with using maximum tractive effort. Calculate total travel time (sec), total distance (m) and total consumed energy (kWh) during acceleration. Hint: 570 tone wagon-set is pulled by loco. Running resistance: Wo = 2 + V²/3000 kg/t Aerodynamic resistance and curvature resistance are omitted. (wt, wr=0 kg/t) Slope: 13,ab% (last digit of you student number is a. digit before the last one is b. Example: student number: XXXXXXXX97 a: 7 and b: 9 so ab: 79 and in that case S=13,79%) Mass factor: 1/p=102+a (last digit of your student number is a. XXXXXXXXXa Example: if last digit of your student number is 6 then a=6 and 1/p=102+6=108) AV ≤ 20 km/sa 1.2) (5p) (LO5) Determine the gradient that the same wagon-set can be pulled by the loco at the maximum speed. 1.3) (5p) (LO5) Determine wagon weight that can be pulled at the maximum speed on a 16% gradient.

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Q1 To solve this problem we will use the following equations Tractive effort Z Driving force Rolling resistance Gradient resistance Driving force Tota... View the full answer