Schimb de cldur n regim staionar.Determinarea coeficienilor globali de transfer termic in schimbtoare de cldur tubulare (eav n eav)

Gm1 (kg/s)Gm2 (kg/s)t2 (int rece)Ct2 Ct2 Ct2 Ct2 Ct2 Ct2 (ies rece)Ct1 (int c)Ct1 (ies c) C

0.005830.0036791115151923244124

0.009720.003679.51316172125.526.54224

0.01380.003671013.51718222727.54324

d t med (C)k exp ck exp rQ caldDtw (m/s)

15.97914492519.1459288.3562414.775432.50.051575

14.9944428976.6386348.2652732.2076330.085987

14.737279361489.158364.76421097.30733.50.122081

ReNualfa 1Q recewdtReNualfa2k teor

810.1585.551287.745115.1920.0026515102.629511.286158.70296.596

1364.4576.814353.644130.55117103.042

1956.5697.842407.537134.39117.5107.171

A=0.05

D ech112

Dech242

S0.00011

s20.00138474

m

-0.024122575

-0.040525425

-0.0477935

tM1 CA [m2]dtm1 Ct1 CtM2 Cdtm2 Ct2 CtM3 Cdtm3 Ct3 C

170.04998719.099798728.09979915.519.0983117328.5983115.520.0225530.02255

180.04510919.994774930.99477516.519.9204806932.920481620.1584633.65846

220.03994524.145791539.1457922124.8124143940.812412125.7673842.76738

260.03633128.296664843.2966652529.0961075646.096112530.1128748.11287

260.02855927.788881746.7888822629.2935406850.293542630.0952552.09525

300.02114531.514980654.5149812931.6773957457.177429.532.8742259.87422

321.55E-0233.176748157.17674832.534.673388661.173393335.7265563.22655