压水堆核电厂二回路热力系统课程设计

1、运行结果如下：Ne=106; %发电功率（KW）Ed=0.0105; %排污率n1=0.994; %一回路能量利用系数nli=0.89; %低压缸内效率nm=0.98; %汽轮机组机械效率nge=0.98; %发电机效率nh=0.98; %加热器效率Hfwp=6.7; %给水泵扬程pw=918.19; %给水密度nfwpp=0.58; %给水泵效率nfwpti=0.8; %给水泵汽轮机内效率nfwptm=0.9; %给水泵汽轮机机械效率nfwptg=0.98; %给水泵汽轮机减速器效率Hfh=2774.9846; %蒸汽发生器出口新蒸汽比焓（kj/kg）Hg=842.86; %蒸汽发生器给水比

2、焓（kj/kg）Hps=1241.17; %蒸汽发生器运行压力下的饱和水焓（kj/kg）xhz=0.8615; %高压缸排气干度xz1=0.995; %第一级再热器的干度Hho=2480.12; %高压缸出口焓Hhi=2774.9782; %高压缸进口蒸汽焓Hli=2988.3463; %低压缸进口焓Hlo=2296.4958; %低压缸出口焓Hsrh1=2614.86; %汽水分离再热器第一级抽气焓Hzs1=1018.9756; %汽水分离再热器第一级疏水焓Hsrh2=2783.348; %汽水分离再热器第二级抽气焓Hzs2=1219.8773; %汽水分离再热器第二级疏水焓Hfw=707.

3、227; %分离器分离水比焓h1=99.46; %高低压加热器中的平均焓升h2=117.6; %再热器中的平均焓升Hfwi=146.6448 246.10 345.56 445.02 544.48 643.94 743.40; %各级加热器进口焓（kj/kg）Hfwo=246.10 345.56 445.02 544.48 643.94 743.40 842.86; %各级加热器出口焓(kj/kgHc=2377.40 2525.49 2666.18 2803.096 2480.12 2448.787 2531.89; %每一级的给水加热器的加热蒸汽比焓Hw=254.06 353.61 453.

4、235 552.88 0 753.57 854.18; %每一级给水加热器疏水比焓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; %给水泵有效功率Nfwpt=Nfwpp/(nfwpp*nfwptm*nfwptg; %给水泵实际功率Gsfwp=Nfwpt/(Hfh-Hho; %

5、给水泵耗气量Ds=Gfw/(1+Ed; Gd=Gfw-Ds; %Ds为新蒸汽气量，Gd为排污量X=Gslp+Gd+Gsfwp; %假设给水量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指的是低压给水再热器抽气，括号内数字为级数。W1和W2为高低压缸发电量Gsrh1=Gslp*h2/(nh*(Hsrh1-Hzs1; %第一级再热抽汽量Gsrh2=Gslp*h2/(nh*(Hsrh2-Hzs2; %第二级再热抽汽量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为高压给水再热器抽气量，括号内数字为级数。Gsdea为除氧器耗气量w2=Gt*(Hfh-Hho+Ghes(1*(Hfh-Hc(6+Ghes(2*(Hfh-Hc(7+Gsrh1*(Hfh-Hzc1;U2=w2*nm*nge; %高压缸实际发电量if abs(W2-U2/W2<0.001 %根据任务书要求其误差小于0.1%时

8、迭代终止，输出结果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('核电厂效率'Neppdisp('反应堆热功率 MW'Qrdisp('蒸汽发生器总蒸汽产量 kg/s'Dsdisp('汽轮机高压缸耗气量 kg/s'Gshpdisp('汽轮机低压缸耗气量 kg/s'Gslpdisp('第一级再热器耗气量 kg/s'Gsrh1disp('第二级再热器耗气量 kg/s'Gsrh2disp('除氧器耗气量 kg/s'Gsdeadisp('给水泵汽轮机耗气量 kg/s'Gsfwpdisp('给水泵给水量 kg/s'Gfwdisp('给水泵扬程 MPa'Hfwpdisp('第1级高压给水加热器抽汽量kg/s'Ghes(1disp('第2级高压给水加热器抽汽量kg/s'Ghes(2disp('