initial commit / add all books

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diff --git a/1358/CH3/EX3.1/Example31.sce b/1358/CH3/EX3.1/Example31.sce
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+// Display mode

+mode(0);

+// Display warning for floating point exception

+ieee(1);

+clear;

+clc;

+disp("Turbomachinery Design and Theory,Rama S. R. Gorla and Aijaz A. Khan, Chapter 3, Example 1")

+disp("Given data : Discharge rate Q = 145 l/s, Head H = 220m, U1 = U2 = 14m/s, beta2 = 180-160 =20degrees")

+Q = 145;

+H = 220;

+U2 = 14;

+U1 = U2;

+beta2 = 20;

+g = 9.81;

+disp("Refering figure")

+disp("Using Using Euler’s equation, work done per weight mass of water per sec.= (Cw1U1 - Cw2U2). But for Pelton wheel Cw2 is negative")

+disp("Therefore Work done / s = (Cw1U1 + Cw2U2) Nm / s. From inlet velocity triangle Cw1 = C1 and C1^2/2g = H")

+C1 = (2*g*H)^0.5

+disp("Relative velocity at inlet V1")

+V1 = C1-U1

+disp("From outlet velocity triangle")

+V2 = V1

+Cw2 = cos(20*%pi/180)*V2 -14

+disp("Hence, work done per unit mass of water per sec.")

+W = C1*U1+Cw2*U2

+disp("Power in kw")

+P = W*Q/1000