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In thermodynamics, the Carnot efficiency is the maximum possible efficiency of a heat engine operating between two reservoirs at different temperatures. The Carnot efficiency is given as
where C T and H T are the absolute temperatures at the cold and hot reservoirs, respectively. Write a script “carnot” that will prompt the user for the two reservoir temperatures in Kelvin, call a function to calculate the Carnot efficiency, and then print the corresponding Carnot efficiency to 3 decimal places. Also write the function.
Matlab
carnot.m
% Calculates the Carnot efficiency, given the temps
% of cold and hot reservoirs, error-checking both
Tc = input('Enter the cold reservoir temperature: ');
Th = input('Enter the hot reservoir temperature: ');
carnotEff = calcCarnot(Tc, Th);
fprintf('The Carnot efficiency is %.3f\n',carnotEff)
calcCarnot.m
function eff = calcCarnot(Tc, Th)
eff = 1 - (Tc/Th);
end
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