diff options
Diffstat (limited to '914/CH12/EX12.11/ex12_11.sce')
| -rwxr-xr-x | 914/CH12/EX12.11/ex12_11.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/914/CH12/EX12.11/ex12_11.sce b/914/CH12/EX12.11/ex12_11.sce new file mode 100755 index 000000000..e640cd2f4 --- /dev/null +++ b/914/CH12/EX12.11/ex12_11.sce @@ -0,0 +1,16 @@ +clc;
+warning("off");
+printf("\n\n example12.11 - pg591");
+// given
+T=293.15; //[K]
+pp=999; //[kg/m^3] - density of water
+mu=0.01817*10^-3; //[kg/m*sec] - viscosity of air
+p=1.205; //[kg/m^3] - density of air
+d=5*10^-6; //[m] - particle diameter
+g=9.80; //[m/sec^2]
+rp=d/2;
+Ut=((2*g*(rp^2))*(pp-p))/(9*mu);
+Nre=(d*Ut*p)/(mu);
+t=((-2*(rp^2)*pp))/(9*mu)*(log(1-0.99));
+printf("\n\n Time for the drop of water in previous example from an initial velocity of zero to 0.99*Ut is \n t = %e sec",t);
+printf("\n\n In other words, the drop accelerates almost instantaneously to its terminal velocity");
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