diff options
Diffstat (limited to '3685/CH7/EX7.10')
| -rw-r--r-- | 3685/CH7/EX7.10/Ex7_10.sce | 17 | ||||
| -rw-r--r-- | 3685/CH7/EX7.10/Ex7_10.txt | 6 |
2 files changed, 23 insertions, 0 deletions
diff --git a/3685/CH7/EX7.10/Ex7_10.sce b/3685/CH7/EX7.10/Ex7_10.sce new file mode 100644 index 000000000..5bd69334b --- /dev/null +++ b/3685/CH7/EX7.10/Ex7_10.sce @@ -0,0 +1,17 @@ +clc
+A = 5*7 // Area of wall in m^2
+k = 0.71// Thermal conductivity in W/mK
+L = 0.32 // Thickness of wall in m
+Ti = 21 // Room temperature in degree Celsius
+To = 6 // Surrounding temperature in degree Celsius
+printf("\n Example 7.10")
+Q = k*A*(Ti-To)/L // Heat transfer
+Sgen_wall = Q/(To+273) - Q/(Ti+273) // Entropy generation in wall
+printf("\n The rate of heat transfer through the wall is %f W",Q)
+printf("\n The rate of entropy through the wall is %f W/K",Sgen_wall)
+Tr = 27 // Inner surface temperature of wall in degree Celsius
+Ts = 2 // Outer surface temperature of wall in degree Celsius
+Sgen_total = Q/(Ts+273)-Q/(Tr+273) // Total entropy generation in process
+printf("\n The rate of total entropy generation with this heat transfer process is %f W/K",Sgen_total)
+
+
diff --git a/3685/CH7/EX7.10/Ex7_10.txt b/3685/CH7/EX7.10/Ex7_10.txt new file mode 100644 index 000000000..14521a458 --- /dev/null +++ b/3685/CH7/EX7.10/Ex7_10.txt @@ -0,0 +1,6 @@ +
+
+ Example 7.10
+ The rate of heat transfer through the wall is 1164.843750 W
+ The rate of entropy through the wall is 0.213014 W/K
+ The rate of total entropy generation with this heat transfer process is 0.352983 W/K
\ No newline at end of file |