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# ex9_7 - cmo=Fmo/vo Na=x(1*V Nb=x(2*V Nc=x(3*V Nm=x(4*V...

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% "ex9_7" % m-file to solve example 9.7 % % x(1)=ca % x(2)=cb % x(3)=cc % x(4)=cm % x(5)=T % x(6)=I % xdot(1)=d(ca)/dt, xdot(2)=d(cb)/dt, xdot(3)=d(cc)/dt, etc. % function xdot=ex9_7(t,x) f UA=16000; Ta1=60; Fao=80; To=70; Tsp=138; kc=8.5; k=16.96e12*exp(-32400/1.987/(x(5)+460)); Fbo=1000; Fmo=100; ra=-k*x(1); rb=-k*x(1); rc=k*x(1); Thetacp=35+Fbo/Fao*18+Fmo/Fao*19.5; vo=Fao/0.923+Fbo/3.45+Fmo/1.54; V=500/7.484; tau=V/vo; cao=Fao/vo; cbo=Fbo/vo;
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Unformatted text preview: cmo=Fmo/vo; Na=x(1)*V; Nb=x(2)*V; Nc=x(3)*V; Nm=x(4)*V; mc0=1000; mc=mc0+kc*(x(5)-Tsp)+kc/tau*x(6); NCp=Na*35+Nb*18+Nc*46+Nm*19.5; Ta2=x(5)-((x(5)-Ta1)*exp(-UA/(18*mc))); Q=mc*18*(Ta1-Ta2); Q xdot(1,:)=1/tau*(cao-x(1))+ra; xdot(2,:)=1/tau*(cbo-x(2))+rb; xdot(3,:)=1/tau*(0-x(3))+rc; xdot(4,:)=1/tau*(cmo-x(4)); xdot(5,:)=(Q-Fao*Thetacp*(x(5)-To)+(-36000)*ra*V)/NCp; xdot(6,:)=x(5)-Tsp;...
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