initial commit / add all books

1 files changed, 23 insertions, 0 deletions

diff --git a/3843/CH4/EX4.6/Ex4_6.sce b/3843/CH4/EX4.6/Ex4_6.sce
new file mode 100644
index 000000000..bd9bf8e6d
--- /dev/null
+++ b/3843/CH4/EX4.6/Ex4_6.sce
@@ -0,0 +1,23 @@
+// Example 4_6

+clc;funcprot(0);

+// Given data

+T_1=300;// °C

+T_2=700;// °C

+m=3;// kg

+

+// Calculation

+// (a)

+delH=m*integrate('(2.07+((T-400)/1480))','T',T_1,T_2);

+printf("\n(a)The enthalpy change,delH=%4.0f kJ",delH);

+// From steam tables

+h_1=3073;// kJ/kg

+h_2=3928;// kJ/kg

+delH=m*(h_2-h_1);// kJ/kg

+printf("\n   Using the values from steam tables,the enthalpy change,delH=%4.0f kJ",delH);

+// (b)

+delT=T_2-T_1;// °C

+c_pav=(m*integrate('(2.07+((T-400)/1480))','T',T_1,T_2))/(m*delT);// kJ/kg.°C

+printf("\n(b)The average value of c_p=%1.2f kJ/kg.°C",c_pav);

+// Using the values from steam tables

+c_pav=(h_2-h_1)/delT;// kJ/kg.°C

+printf("\n   Using the values from steam tables,the average value of c_p=%1.2f kJ/kg.°C",c_pav);