工程热力学第五版matlab解决实例.zip_gentlecaj_howevern8e_matlab_热力学_热力学 matl

%1-14 %解：把每一段当作很恒温膨胀 clear; syms V W1 W2 W3 W4 W5 W6 W7 W8 W9 W; W1=int(1.655*114.71/V,114.71,163.87); W2=int(1.069*163.87/V,163.87,245.81); W3=int(0.724*245.81/V,245.81,327.74); W4=int(0.500*327.74/V,327.74,409.68); W5=int(0.396*409.68/V,409.68,491.61); W6=int(0.317*491.61/V,491.61,573.55); W7=int(0.245*573.55/V,573.55,655.48); W8=int(0.193*655.48/V,655.48,704.46); W=W1+W2+W3+W4+W5+W6+W7+W8; fprintf('燃气在该膨胀过程中所做的功为%.3fW',W);