initial commit / add all books

1 files changed, 22 insertions, 0 deletions

diff --git a/51/CH8/EX8.2/8_2.sce b/51/CH8/EX8.2/8_2.sce
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+clc;

+clear;

+vis=0.4;//Ns/(m^2)

+d=900;//kg/(m^3)

+D=0.02;//m

+Q=2.0*(10^-5);//(m^3)/s

+x1=0;

+x2=10;//m

+p1=200;//kPa

+x3=5;//m

+V=Q/(%pi*(D^2)/4);//m/s

+Re=d*V*D/vis;

+disp("Hence the flow is laminar.",Re,"a) Reynolds number =")

+pdiff=128*vis*(x2-x1)*Q/(%pi*(D^4)*1000);

+//for part b0 p1=p2; Q=%pi*(pdiff-(sw*l*sin(ang)))*(D^4)/(128*vis*l)

+ang=(asin(-128*vis*Q/(%pi*d*9.81*(D^4))))*180/%pi;

+//since sin(ang) doesn= not depend on pdiff, the the pressure is constant all along the pipe

+//hence for c)

+p3=p1;//kPa

+disp("kPa.",pdiff,"The pressure drop required if the pipe is horizontal=")

+disp("degrees.",ang,"b) The angle of the hill the pipe must be on if the oil is to flow at the same rate as a) but with (p1=p2) =")

+disp("kPa",p3,"c) For conditions of part b), the pressure at x3=5 m = ")
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