diff options
Diffstat (limited to '3871/CH3/EX3.18')
| -rw-r--r-- | 3871/CH3/EX3.18/Ex3_18.sce | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/3871/CH3/EX3.18/Ex3_18.sce b/3871/CH3/EX3.18/Ex3_18.sce new file mode 100644 index 000000000..251db7ea3 --- /dev/null +++ b/3871/CH3/EX3.18/Ex3_18.sce @@ -0,0 +1,34 @@ +//===========================================================================
+//chapter 3 example 18
+
+clc;clear all;
+
+//variable declartaion
+r = 0.5*10^-3; //in mm
+p1 = 200; //in Pa
+p2 = 150; //in Pa
+Q = 4*10^-7; //in m**3/s
+l = 1; //length in m
+dr = 0.01;
+dp1 = 3;
+dp2 = 2
+dQ =0
+dl =0;
+
+//calculations
+u = ((%pi)*((r^4)*((p1*10^3)-(p2*10^3)))/((8*Q*l))); //absolute error inkr/m-s
+er = (dr/((r/(10^-3))))*100; //dr/r in %
+ep1 = (dp1/(p1))*100; //dp1/p1 in %
+ep2 = (dp2/(p2))*100; //dp2/p2 in %
+eQ = (dQ/(Q))*100; //dQ/Q in %
+el = (dl/(l))*100; //dl/l in %
+p = p1-p2; //dp/p in Pa
+ep = (((p1/(p))*(ep1))+(p2/(p))*(ep2)); //percentage error in % anging - to +
+eu = (4*er)+(ep+eQ+el); //percentage error in % ranging - to +
+ua = u*(eu/100); //absolute error in kg/m-s
+
+//result
+
+mprintf("absolute error = %3.3e kg/m-s",u);
+mprintf("\nxabsolute error = %3.2e kg/m-s",ua);
+
|