1 files changed, 27 insertions, 0 deletions
diff --git a/965/CH4/EX4.12/12.sci b/965/CH4/EX4.12/12.sci
new file mode 100644
index 000000000..e946c3a3e
--- /dev/null
+++ b/965/CH4/EX4.12/12.sci
@@ -0,0 +1,27 @@
+clc;
+clear all;
+disp("spherical thermocouple junction")
+h=400;//W/m^2.C
+k=20;// W/m.C
+c=400;// J/kg.C
+rho=8500;// kg/m^3
+tau=1;//second
+
+
+R=tau*h*3/(rho*c)
+disp("mm",2*R*1000,"Diameter =")
+
+Lc=R/3;
+Bi=h*Lc/k;
+disp(Bi,"Bi =")
+
+ti=25;//degree C
+t=198;//degree C
+ta=200;// degree C
+
+As=4*3.1416*R*R;//m^2
+V=4*3.1416*(R^3)/3;//m^3
+
+X=h*As/(rho*V*c);
+tau=(-1/X)*log((t-ta)/(ti-ta));
+disp("s",tau,"tau =")