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V̇ = 2,88 m3/h = 0,0008 m3/s
p = 1,100 bar
A
T = 25,0°C
Nis = 60%
Sgen = 5,10 kW/K
Pe = ?
Log3 = ṁv (P2 - P1)
Liquid
Sgen = ṁ c ln
TAO A23 = 4.974 kg/m3
ṁ = v 0,974 kg/s
v =
Riuso T2
Sgen = ṁ c ln T2 - ṁ c ln v̇
ln v̇ = 4,926
Ti = 138°C
l01 + l01s = c (T2 - T1) = c (T2 - T1) = 473 kJ/kg
M1s =
l - lA1,15 = 1182 kJ/kg
PE2 = 8bar
J = ml = 942 kJ
RANKINE IDEALE
P1in = 10kPa - 0,1barP1max = 2000kPa - 20barTSGETA = 1200°CTSET = 20°C
Vc1
Rendu de pompeh1
2 + Lp = h2 - h3Delta sgom = s2 - sgen = 0
Vc2
h2 + Qa = h3D1 + Qm/Tm = sgo = Sso
Vc3
h3 = L + h4s3 - sgen = s4 - sgen = 0
Vc4
h4 = Qe + h1s4 = Delta sgen = Qm/TB + Delta1
TPhdsduvx 3190,11920,64192-0,7510 319201490,651281050,191 425XSego34694110,1421 3192,0071490,98510,190,16Redonde statua. Rosso la ho collochero
T1 TBA AB e vedo T —> 45,80°C = 3 PAT2 E' cambierai sia di T eTB, TBA AB
h2 TBA AB e vedo SLdelta vTBA AB e vedo SLV2 TBA AB e vedo SL
Pag 142 n°2.1
TH = 400°C
TB = 20°C
T3 = 350°C
Pe = 3,5 MPa - p3 = 35 bar
Pu = 100 kPa - p4 = 1 bar
Calor mt. sx.
k b x
- 372 1
- 372 35 4173,13 0
- 623 35 3106&
- 372 1 2403,665 0,28
Stato 1
liquido surriscaldato
T = Tsat con vABAB = 99,63°C
h1 = h2 = 4173
s = 2 l = 1,3
Stato 2
T1 = T2
p2 = 35 bar
liquido sottoraffreddato
h = x
h1 = h2 = 417,3
Psat = T1 = 2 bar
VC1
min + Zp = min2
min1 + sgen = min3 + sgen = 0
VC2
mno + Q 2 = mh + Q1 = h3 - h = 2,688,7
mno + sgen + q = mno3
VC3
mnb + Q = mnb + t1
mnb3 + sgen = mnb4 + sgen = 0
VC4
mnb + mnb7 + uw q mb + x < h0 + h1 = 1,285,1
md1 + sgen + q x md1 + Qb
< TB
RANKINE RISURRISCALDAMENTO
Pmax = 4 MPa = 40 bar
Tmax = 350°C = 623 K
Pint = 2 MPa = 20 bar
Pmin = 350°C
Psev = 160 kPa = 1.6 bar
Tsevf = 120°C = 393.15 K
Tset B = 200°C = 293 K
x P h S 1 31 0.4 467 0 2 467 40 049 0.76 3 650 13 20 0.65 4 623 20 30 0.594Stato 1
Liquido saturo x = 0
T = Ts = 45.4°C = 318.9 K
h1 = h2 + D
h1 = 192.1 h4 = 0.165
Stato 2
Liquido saturo umidoP2 = 40 bar
T1 = T2 = 381 K matric
h2 : reciprocoh2 = x
45 barh xL46 50
x1 x2x3 ? /
od x ? 21pStato 3
T = 623 KP = 20 barPhase: ?PS 7.4ypore/sub 1tl - hlo - o dsophen
IDT satureT = Ts + 654
h3 = 3.98D3 = 658
Stato 4
D3 = D4 = 5,98
P3 = 20 bar
D3VSES medio tva.hb transvet0emme cossro T. | ? + abdaz S Condensato E.c O puntot
x1 x2 x3 x4
64, 65 646 hx1 ? x4 246 x3 28s
Ininaprivalurex1 x2 x3 x4250, 235, 123.5
x = 8
Ciclo Joule Con Post Combusitione
β=20
P₁=1 bar
T₂=20°C=293K
Tmax=1200°C=1473K
Mr=0.78
Mc=0.8
TsetA=1773K
TsetB=268K
Mn=11.90 kg/s
T2232881173626753 P12020201Pmin=res
Prmb=626 Pa
T₆=1
P₂=P1 β
Pmax=max
Pmin=2.645 bar
Tc=1
Lt=Lt+Lh=17,639
Lmaisimis=Cp(T₃-T5)
Q̇e=ṁ Cp(Tnsuperscript_prim-T2)↗=865.1
Ln=Lt-Le=11365
- 0128.040=0.36