最新哈工大課程設(shè)計(jì)—發(fā)動(dòng)機(jī)熱力計(jì)算doc-資料下載頁(yè)
2025-06-29 05:54本頁(yè)面
【正文】 *(1+*Ma0^2)^Tt0=T0*(1+*Ma0^2)%進(jìn)氣道出口總溫和總壓Xi=Ximax*(*(Ma01)^)pt2=pt0*XiTt2=Tt0%風(fēng)扇出口參數(shù)pt22=pt2.*PAIclTt22=Tt2.*(1+(PAIcl.^()1)./Ycl)Lcl=cp.*(Tt22Tt2)%高壓壓氣機(jī)出口總溫和總壓pt3=pt22.*PAIchTt3=Tt22.*(1+(PAIch.^()1)./Ych)Lch=cp.*(Tt3Tt22)%燃燒室出口參數(shù)f=(cpg*Tt4cp.*Tt3)./(Yb*Hfcpg*Tt4)pt4=pt3.*Xb%高壓渦輪tm=((1beitZ).*(1+f)+cp.*Z.*Tt3./(cpg*Tt4))./((1beitZ).*(1+f)+Z)Tt4a=Tt4.*tmpt4a=pt4t4a=1Lch./(((1beitZ).*(1+f)+Z).*Ymh.*cpg.*Tt4a)Tt45=Tt4a.*t4aPAIth=(1(1t4a)./Yth).^((kg/(kg1)))pt45=pt4a./PAIth%低壓渦輪參數(shù)計(jì)算t45=1((Lcl+).*(1+B))./(((1beitZ).*(1+f)+Z).*Yml.*cpg.*Tt45)Tt5=Tt45.*t45PAItl=(1(1t45)./Ytl).^((kg/(kg1)))pt5=pt45./PAItl%混合室出口參數(shù)Bm=B./((1beitZ).*(1+f)+Z)cp6=(cpg+Bm.*cp)./(1+Bm)t5=(cpg./cp6).*(1+Bm.*cp.*Tt22./(cpg.*Tt5))./(1+Bm)Tt6=Tt5.*t5pt6=Xm*(pt5+Bm.*.*pt22)./(1+Bm)%加力燃燒室參數(shù)計(jì)算Tt72=Tt6fab=(1+f.*(1beitZ)./(1+Bbeit)).*(cpg*Tt71cp6.*Tt6)./(Yab*Hfcpg*Tt71)f01=((1beitZ).*f+(1+Bbeit).*fab)./(1+B)f02=((1beitZ).*f)./(1+B)pt71=pt6.*Xab1pt72=pt6.*Xab2%尾噴管出口參數(shù)pt91=pt71.*Xcpt92=pt72.*XcTt91=Tt71Tt92=Tt72p9=p0Ma91=((2/(kg1)).*((pt91./p0).^((kg1)/kg)1)).^Ma92=((2/(kg1)).*((pt92./p0).^((kg1)/kg)1)).^T91=Tt91.*(1+((kg1)/2).*Ma91.^2).^(1)T92=Tt92.*(1+((kg1)/2).*Ma92.^2).^(1)a91=(kg.*R.*T91).^a92=(kg.*R.*T92).^c91=a91.*Ma91c92=a92.*Ma92%發(fā)動(dòng)機(jī)單位性能參數(shù)Fsab=(1+f01beit/(1+B)).*c91c0Fs=(1+f02beit/(1+B)).*c92c0sfcab=3600.*f01./Fsabsfc=3600.*f02./Fsplot(PAIcl,sfcab)hold onplot(PAIcl,sfc)
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