壓水堆核電廠二回路熱力系統(tǒng)課程設(shè)計

1、運行結(jié)果如下：Ne=106; %發(fā)電功率（KW）Ed=0.0105; %排污率n1=0.994; %一回路能量利用系數(shù)nli=0.89; %低壓缸內(nèi)效率nm=0.98; %汽輪機組機械效率nge=0.98; %發(fā)電機效率nh=0.98; %加熱器效率Hfwp=6.7; %給水泵揚程pw=918.19; %給水密度nfwpp=0.58; %給水泵效率nfwpti=0.8; %給水泵汽輪機內(nèi)效率nfwptm=0.9; %給水泵汽輪機機械效率nfwptg=0.98; %給水泵汽輪機減速器效率Hfh=2774.9846; %蒸汽發(fā)生器出口新蒸汽比焓（kj/kg）Hg=842.86; %蒸汽發(fā)生器給水比

2、焓（kj/kg）Hps=1241.17; %蒸汽發(fā)生器運行壓力下的飽和水焓（kj/kg）xhz=0.8615; %高壓缸排氣干度xz1=0.995; %第一級再熱器的干度Hho=2480.12; %高壓缸出口焓Hhi=2774.9782; %高壓缸進口蒸汽焓Hli=2988.3463; %低壓缸進口焓Hlo=2296.4958; %低壓缸出口焓Hsrh1=2614.86; %汽水分離再熱器第一級抽氣焓Hzs1=1018.9756; %汽水分離再熱器第一級疏水焓Hsrh2=2783.348; %汽水分離再熱器第二級抽氣焓Hzs2=1219.8773; %汽水分離再熱器第二級疏水焓Hfw=707.

3、227; %分離器分離水比焓h1=99.46; %高低壓加熱器中的平均焓升h2=117.6; %再熱器中的平均焓升Hfwi=146.6448 246.10 345.56 445.02 544.48 643.94 743.40; %各級加熱器進口焓（kj/kg）Hfwo=246.10 345.56 445.02 544.48 643.94 743.40 842.86; %各級加熱器出口焓(kj/kgHc=2377.40 2525.49 2666.18 2803.096 2480.12 2448.787 2531.89; %每一級的給水加熱器的加熱蒸汽比焓Hw=254.06 353.61 453.

4、235 552.88 0 753.57 854.18; %每一級給水加熱器疏水比焓H=100;for Gslp=100:3000if abs(H-Hfwo(5/Hfwo(5<0.005H=(X*Hfwo(4+(Ghes(1+Ghes(2+Gzc1+Gzc2*Hw(6+Gsdea*Hho+Hfw*Gslp*(xz1-xhz/xhz/Gfw;breakelseendfor Gfw=Gslp:3000;Nfwpp=1000*Gfw*Hfwp/pw; %給水泵有效功率Nfwpt=Nfwpp/(nfwpp*nfwptm*nfwptg; %給水泵實際功率Gsfwp=Nfwpt/(Hfh-Hho; %

5、給水泵耗氣量Ds=Gfw/(1+Ed; Gd=Gfw-Ds; %Ds為新蒸汽氣量，Gd為排污量X=Gslp+Gd+Gsfwp; %假設(shè)給水量Gles(4=h1*X/(Hc(4-Hw(4/nh; Gles(3=(h1*X-nh*Gles(4*(Hw(4-Hw(3/(Hc(3-Hw(3/nh;Gles(2=(h1*X-nh*(Gles(3+Gles(4*(Hw(3-Hw(2/(Hc(2-Hw(2/nh;Gles(1=(h1*X-nh*(Gles(2+Gles(3+Gles(4*(Hw(2-Hw(1/(Hc(1-Hw(1 /nh;w1=(x-Gles(1-Gles(2-Gles(3-Gles(4*(

6、Hli-Hlo+Gles(1*(Hli-Hc(1+Gles(2*(Hli-Hc(2+Gles(3*(Hli-Hc(3+Gles(4*(Hli-Hc(4;W1=w1*nm*nge; W2=106-W1; %上述程序Gles指的是低壓給水再熱器抽氣，括號內(nèi)數(shù)字為級數(shù)。W1和W2為高低壓缸發(fā)電量Gsrh1=Gslp*h2/(nh*(Hsrh1-Hzs1; %第一級再熱抽汽量Gsrh2=Gslp*h2/(nh*(Hsrh2-Hzs2; %第二級再熱抽汽量Ghes(2=(Gfw*h1-nh*Gsrh2*(Hzs2-Hw(7/(nh*(Hc(7-Hw(7;Ghes(1=(Gfw*h1-nh*(Ghes(2

7、+Gsrh2*(Hw(7-Hw(6+Gsrh1*(Hzs1-Hw(6/(nh*(Hc(6-Hw(6;Gsdea=Gfw-X-Ghes(1-Ghes(2-Gsrh1-Gsrh2-Gslp*(xz1-xhz/xhz;Gt=Gsdea+Gslp*xz1/xhz; %上述Ghes為高壓給水再熱器抽氣量，括號內(nèi)數(shù)字為級數(shù)。Gsdea為除氧器耗氣量w2=Gt*(Hfh-Hho+Ghes(1*(Hfh-Hc(6+Ghes(2*(Hfh-Hc(7+Gsrh1*(Hfh-Hzc1;U2=w2*nm*nge; %高壓缸實際發(fā)電量if abs(W2-U2/W2<0.001 %根據(jù)任務(wù)書要求其誤差小于0.1%時

8、迭代終止，輸出結(jié)果H=(X*Hfwo(4+(Ghes(1+Ghes(2+Gsrh1+Gsrh2*Hw(6+Gsdea*Hho+Hfw*Gslp*(xz1-xhz/xhz/Gfw;breakelseendendendQr=(Ds*(Hfh-Hg+Gd*(Hps-Hg/n1;Nepp=Ne/Qr;Gshp=Gt+Ghes(1+Ghes(2+Gsrh1;disp('核電廠效率'Neppdisp('反應(yīng)堆熱功率 MW'Qrdisp('蒸汽發(fā)生器總蒸汽產(chǎn)量 kg/s'Dsdisp('汽輪機高壓缸耗氣量 kg/s'Gshpdisp('汽輪機低壓缸耗氣量 kg/s'Gslpdisp('第一級再熱器耗氣量 kg/s'Gsrh1disp('第二級再熱器耗氣量 kg/s'Gsrh2disp('除氧器耗氣量 kg/s'Gsdeadisp('給水泵汽輪機耗氣量 kg/s'Gsfwpdisp('給水泵給水量 kg/s'Gfwdisp('給水泵揚程 MPa'Hfwpdisp('第1級高壓給水加熱器抽汽量kg/s'Ghes(1disp('第2級高壓給水加熱器抽汽量kg/s'Ghes(2disp('