1 files changed, 14 insertions, 0 deletions
diff --git a/965/CH2/EX2.20/20.sci b/965/CH2/EX2.20/20.sci
new file mode 100644
index 000000000..63fb7772a
--- /dev/null
+++ b/965/CH2/EX2.20/20.sci
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+clc;
+clear all;
+disp("heat transfer coefficient")
+Theater=350;// degree C
+Tsolution=95;// degree C
+xCI=0.025;///m
+xenamel=0.8*10^(-3);//m
+hsol=5.5*10^(3);//W/(m^2*K)
+kCI=50;//W/(m*K)
+kenamel=1.05;//W/(m*K)
+U=1/(xCI/kCI+xenamel/kenamel+1/hsol);
+disp("W/(m*K)",U,"overall heat transfer coefficient U= ")
+Q=U*(Theater-Tsolution);
+disp("kW/m^2",Q/1000,"rate of heat transfer per unit area = ")