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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3472/CH43/EX43.10/Example43_10.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
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| -rw-r--r-- | 3472/CH43/EX43.10/Example43_10.sce | 29 |
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diff --git a/3472/CH43/EX43.10/Example43_10.sce b/3472/CH43/EX43.10/Example43_10.sce new file mode 100644 index 000000000..b44ae441e --- /dev/null +++ b/3472/CH43/EX43.10/Example43_10.sce @@ -0,0 +1,29 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART IV : UTILIZATION AND TRACTION
+// CHAPTER 5: ELECTRIC TRACTION-SPEED TIME CURVES AND MECHANICS OF TRAIN MOVEMENT
+
+// EXAMPLE : 5.10 :
+// Page number 784
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+W = 350.0 // Weight of train(tonne)
+G = 1.0 // Gradient
+alpha = 0.8 // Acceleration(km phps)
+u = 0.25 // Co-efficient of adhesion
+r = 44.5 // Train resistance(N/tonne)
+I = 10.0 // Rotational inertia(%)
+
+// Calculations
+W_e = W*(100+I)/100 // Accelerating weight of train(tonne)
+F_t = 277.8*W_e*alpha+W*r+98.1*W*G // Tractive effort(N)
+adhesive_weight = F_t/(u*9.81*1000) // Adhesive weight(tonnes)
+
+// Results
+disp("PART IV - EXAMPLE : 5.10 : SOLUTION :-")
+printf("\nMinimum adhesive weight of the locomotive = %.1f tonnes\n", adhesive_weight)
+printf("\nNOTE: ERROR: Train resistance is 44.5 N per tonne & not 45 N per tonne as mentioned in textbook problem statement")
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