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Diffstat (limited to '3843/CH4/EX4.11/Ex4_11.sce')
| -rw-r--r-- | 3843/CH4/EX4.11/Ex4_11.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3843/CH4/EX4.11/Ex4_11.sce b/3843/CH4/EX4.11/Ex4_11.sce new file mode 100644 index 000000000..a9913e00b --- /dev/null +++ b/3843/CH4/EX4.11/Ex4_11.sce @@ -0,0 +1,16 @@ +// Example 4_11
+clc;funcprot(0);
+// Given data
+V_1=6;// The initial volume in ft^3
+V_2=1.2;// The final volume in ft^3
+T_1=50+460;// The initial temperature in R
+P_1=30;// psia
+R=53.3;// Btu/lbm°R
+c_v=0.171;// // Btu/lbm°R
+k=1.4;// The specific heat ratio
+
+// Calculation
+m=((P_1*144)*V_1)/(R*T_1);// The mass in lbm
+T_2=T_1*(V_1/V_2)^(k-1);// The final temperature in R
+W=-m*c_v*(T_2-T_1);// Btu
+printf("\nThe necessary work to compress air,W=%2.1f Btu",W);
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