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feng198800

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CO±ä»»·´Ó¦£¬CO+H2O=CO2+H2£¬Óù̶¨´²¹Üʽ»ý·Ö·´Ó¦Æ÷£¬ÒªÄâºÏ¶¯Á¦Ñ§·½³ÌÖеIJÎÊý£¡¶¯Á¦Ñ§·½³ÌÈçÏÂͼ¡£×ª»¯ºóµÄ¶«Î÷ѧ·½³ÌΪdy/dw=-22.4./v*k(1)*exp(-k(2)/R.*T).*yco^k(3).*(yh2oin-(ycoin-yco))^k(4).*(yco2in+(ycoin-yco))^k(5).*(yh2in+(ycoin-yco))^k(6).*(1-¦Â)£¬ÆäÖЦÂÊÇÄæ·´Ó¦³Ì¶È£¬ÒªÄâºÏָǰÒò×Ó¡¢·´Ó¦»î»¯ÄܺÍËĸö·´Ó¦¼¶Êý£¨k1~k6£©¡£ÕûÀíºóµÄÊý¾ÝÊÇÒÑÖª·´Ó¦Æ÷½ø¿ÚÒ»Ñõ»¯Ì¼¡¢¶þÑõ»¯Ì¼¡¢ÇâÆø¡¢Ë®ÕôÆøµÄʪ»ù×é³ÉºÍ·´Ó¦Æ÷³ö¿ÚÒ»Ñõ»¯Ì¼Êª»ù×é³É£¬Ö÷ÒªÊÇÒ»¸ö΢·Ö·½³Ìdy/dw=f(y),ÆäÖÐf(y)Öк¬ÓÐÒªÄâºÏµÄ6¸ö²ÎÊý£¬Éæ¼°µ½Î¢·Ö·½³ÌµÄ³õÖµÎÊÌâºÍ×îС¶þ³Ë·¨ÎÊÌâ¡£×Ô¼º±àÁËÒ»¸ömÎļþ£¬¿ÉÊÇÔËÐв»ÁË£¬¾À½áºÃ³¤Ê±¼äҲûÓз¢ÏÖÎÊÌ⣬Ïë´ó¼Ò°ïÎÒ¿´Ò»Ï£¡´úÂëÈçÏÂ
function kinetics
clear all
clc
global t T R kp ycoin yh2oin yco2in yh2in v
t=[448.69 449.03 450.18 450.71 450.47 430.01 430.31 430.03 430.17 427.29 410.13 410.08 410.37 410.00 409.96 390.00 390.00 389.99 390.00 390.00];%·´Ó¦Î¶È
T=t+273.15;%¾ø¶ÔζÈK
R=8.314;%ÆøÌå³£Êý
kp=exp(4575./T-4.33);%ƽºâ³£Êý
ycoin=[0.09865 0.13296 0.18299 0.23883 0.13809 0.13918 0.15477 0.14327 0.16374 0.13077 0.10624 0.11253 0.19904 0.20900 0.19895 0.12235 0.17431 0.14712 0.18064 0.16864];%½ø¿ÚCOº¬Á¿
yh2oin=[0.52349 0.45073 0.39759 0.33124 0.45811 0.30844 0.39573 0.51067 0.54215 0.32203 0.48650 0.54179 0.32176 0.42416 0.32176 0.41059 0.32107 0.50444 0.48270 0.31474];%½ø¿ÚH2Oº¬Á¿
yco2in=[0.09440 0.08103 0.07302 0.05747 0.09028 0.11332 0.11931 0.04328 0.05115 0.10654 0.06181 0.03400 0.13821 0.09236 0.13688 0.04807 0.07740 0.07265 0.09696 0.08260];%½ø¿ÚCO2º¬Á¿
yh2in=[0.09363 0.14281 0.17864 0.22005 0.13013 0.20040 0.20556 0.10088 0.10997 0.20593 0.17479 0.13200 0.16644 0.09602 0.17151 0.14214 0.13702 0.18113 0.16127 0.13905];%½ø¿ÚH2º¬Á¿
v=[21.3952 18.2224 15.0234 13.5257 19.5599 14.5256 18.8683 19.0081 20.6600 16.2300 18.4185 20.6734 13.9253 15.8444 13.9233 16.3679 13.9538 20.7244 17.0155 14.2337];%×ÜÔ­ÁÏÁ÷Á¿
ycoout=[0.07304 0.08526 0.12500 0.16207 0.08445 0.10695 0.13233 0.10264 0.11417 0.09878 0.09192 0.08657 0.17122 0.17377 0.17204 0.10501 0.14913 0.13370 0.15282 0.14068];%³ö¿ÚCOº¬Á¿
k0=[3.5e5 8.4e4 0.9 0.6 -0.5 -0.04]; % k(ָǰÒò×Ó¡¢»î»¯ÄÜ¡¢·´Ó¦¼¶Êý)³õʼÏòÁ¿
lb=[1e5 3e4 0 0 -1 -0.1];
ub=[1e6 1.5e5 1 1 0.5 0.5];% kÉÏÏÂÏÞ

% ʹÓú¯Êýlsqnonlin()½øÐвÎÊý¹À¼Æ
[k,resnorm,residual,exitflag]=lsqnonlin(@ObjFunc,k0,lb,ub,[],ycoin,ycoout);      

% ------------------------------------------------------------------
function f=ObjFunc(k,ycoin,ycoout)     % Ä¿±êº¯Êý
wspan=[0 0.6091];         % ¼´´ß»¯¼Á×°ÌîÁ¿/g
ycow=zeros(1,length(ycoout));
[w yco] =ode45(@Euqations,wspan,ycoin,[],k);%4,5½×Áú¸ñ¿âËþ·¨Çó½â

ycow=yco(length(yco));%³ö¿ÚCOº¬Á¿

f=ycoout-ycow;

% --------´Ë·½³Ì¶¨Òå΢·Ö·½³ÌµÈºÅÓÒ¶ËÏî
function dydw=Euqations(w,yco,k)        % w´ß»¯¼ÁÖÊÁ¿
global T R kp ycoin yh2oin yco2in yh2in v
dydw=-22.4./v*k(1)*exp(-k(2)/R.*T).*yco^k(3).*(yh2oin-(ycoin-yco))^k(4).*(yco2in+(ycoin-yco))^k(5).*(yh2in+(ycoin-yco))^k(6).*(1-(yco2in-(ycoin-yco).*yh2in-(ycoin-yco))./(kp.*yco.*yh2oin-(ycoin-yco)));% ·´Ó¦ËÙÂÊ




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dingd

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feng198800

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8Â¥: Originally posted by csgt0 at 2012-06-01 10:18:18
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