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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3685/CH18/EX18.10 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3685/CH18/EX18.10')
| -rw-r--r-- | 3685/CH18/EX18.10/Ex18_10.sce | 27 | ||||
| -rw-r--r-- | 3685/CH18/EX18.10/Ex18_10.txt | 4 |
2 files changed, 31 insertions, 0 deletions
diff --git a/3685/CH18/EX18.10/Ex18_10.sce b/3685/CH18/EX18.10/Ex18_10.sce new file mode 100644 index 000000000..8ccdf32cb --- /dev/null +++ b/3685/CH18/EX18.10/Ex18_10.sce @@ -0,0 +1,27 @@ +clc
+b = 10 // width of plate in cm
+h = 15 // Height of plate in cm
+hr = 8.72 // Radiative heat transfer coefficient in W/m^2K
+tw = 140 // temperature of wall in degree Celsius
+tf = 20 // Atmospheric temperature in degree Celsius
+v = 2.109e-5 // Coefficient of dynamic viscosity in m^2/s
+Pr = 0.692 // Prantl number
+K = 0.0305 // Thermal conductivity in W/mK
+L = 0.15 // characteristic length in m
+g = 9.81 // Gravitational acceleration in m/s^2
+
+printf("\n Example 18.10\n")
+A = 2*b*1e-2*h*1e-2 // total area of plate
+t_mean = (tw+tf)/2 +273
+B = 1/t_mean
+del_t = tw-tf
+Gr = g*B*del_t*L^3/v^2 // Grashoff number
+x = Gr*Pr
+if x<1e9 then
+ Nu = 0.59*(Gr*Pr)^0.25
+end
+hc = Nu*K/L
+Q = (hc+hr)*A*del_t // Rate of heat dissipation
+printf("\n Rate of heat dissipation is %f W",Q)
+//The answers vary due to round off error
+
diff --git a/3685/CH18/EX18.10/Ex18_10.txt b/3685/CH18/EX18.10/Ex18_10.txt new file mode 100644 index 000000000..9df0b0436 --- /dev/null +++ b/3685/CH18/EX18.10/Ex18_10.txt @@ -0,0 +1,4 @@ +
+ Example 18.10
+
+ Rate of heat dissipation is 59.329572 W
\ No newline at end of file |