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Gaz akymlarynyň pes tizliklerinde gazlaryň degişli akymlarynda entropiýasynaseredende kinetik energiýalary hasaba alynmadyk ýagdaý üçing i + g i = .(5)1 1 2 2iEger-de garyşdyryjy kameradan çykýan gazyň p basyşy belli bolsa, onda (5)deňlik garyndyny doly häsiýetlendirýär.(5) deтlikde i=c pT+i 0aňlatmany göz öňünde tutup, gaz garyndysynyň ortaçatemperaturasyny kesgitläp bolar, ýagny:Tg1cp T1 1 + g2c=g c + g c1 p1Garyşmaklyk adiabatik halda geçýän bolsa we daşky peýdaly iş nola deňbolanda deňlemeler ulgamyny2p2p2T2.(6)görnüşde ýazyp bolar.Bu ýerde G=G 1+G 2. Onda⎧G⋅ S = G1S1+ G2S⎨⎩G⋅i= G1i1 + G2i22(7)ýa-da⎧(G1+ G⎨⎩(G1+ G22) ⋅ S = G S1) ⋅i= G i1 11+ G S+ G i22 2⎧G1( S − S1)= G2(S2− S)⎨⎩G1( i − i1) = G2(i2− i)2Bu deňlemelere degişlilikde G 2S 1we G 2i 1ululyklary goşup hem-de aýrypalarys, ýagnyýa-da⎧G1( S − S1)= G2(S2− S)+ G2S1− G2S⎨⎩G1( i − i1)= G2(i2− i)+ G2i1− G2i12⎧G1( S − S1)= G2S2− G2S+ G2S1−G2S1⎨⎩G1( i − i1)= G2i2− G1i+ G2i1− G2i1⎧G1( S − S1)= −G2(S − S1)+ G2(S2− S1)⎨⎩G1( i − i1)= −G2(i − i1)+ G2(i2− i1)⎧(G1+ G⎨⎩(G1+ G)( S − S ) = G ( S2)( i − i ) = G ( i2112222− i )Bu deňlikleri agzama-agza bölüp alarys− S )1185

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