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//Example No. 4.7
clc;
clear;
close;
format('v',6);
//Given Data :
t_on=15;//min
t_off=25;//min
T=100;//min
Tdash=140;//min
theta_f=55;//degree C
//theta=theta_f-(theta_f-theta1)*exp(-t/T)
//theta1=theta*exp(-tdash/Tdash);
theta_max=theta_f*[1-exp(-t_on/T)]/(1-exp(-(t_off/Tdash+t_on/T)));//degreeC
disp(theta_max,"Maximum temperature rise in degree C : ");
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