Cross flow (both streams unmixed) Fig 2-8(e) (2-32a) $ * 1 - exp (©NTU)^2 [expl – C(NTU)) – 1), c-a -11 Cross flow (both
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Cross flow (both streams unmixed) Fig 2-8(e) (2-32a) $ * 1 - exp (©NTU)^2 [expl – C(NTU)) – 1), c-a -11 Cross flow (both
Cross flow (both streams unmixed) Fig 2-8(e) (2-32a) $ * 1 - exp (©NTU)^2 [expl – C(NTU)) – 1), c-a -11 Cross flow (both streams mixed) ENTU NTU - exp(- NTU) (NTU)(C) 1 -- exp[- (NTU)(C)] (2-33a) Cross flow (stream Canin unmixed) & = C{1 - exp[ - 0 1 - exp( - NTU))). cca Fig. 2-8(1) dashed curves (2-34a) NTU = -In[1 + ln(1 - $C)] (2-346) Cross flow (stream min unmixed) $ - 1 - exp (- @ı - expl - (NTU\CD. c-ė Fig. 2-810 solid curves (2-35a) NTU = - In C In (1 – $) + 1] (2-35b)
Cross flow (both streams unmixed) Fig 2-8(e) (2-32a) $ * 1 - exp (©NTU)^2 [expl – C(NTU)) – 1), c-a -11 Cross flow (both streams mixed) ENTU NTU - exp(- NTU) (NTU)(C) 1 -- exp[- (NTU)(C)] (2-33a) Cross flow (stream Canin unmixed) & = C{1 - exp[ - 0 1 - exp( - NTU))). cca Fig. 2-8(1) dashed curves (2-34a) NTU = -In[1 + ln(1 - $C)] (2-346) Cross flow (stream min unmixed) $ - 1 - exp (- @ı - expl - (NTU\CD. c-ė Fig. 2-810 solid curves (2-35a) NTU = - In C In (1 – $) + 1] (2-35b)
Cross flow (both streams unmixed) Fig 2-8(e) (2-32a) $ * 1 - exp (©NTU)^2 [expl – C(NTU)) – 1), c-a -11 Cross flow (both streams mixed) ENTU NTU - exp(- NTU) (NTU)(C) 1 -- exp[- (NTU)(C)] (2-33a) Cross flow (stream Canin unmixed) & = C{1 - exp[ - 0 1 - exp( - NTU))). cca Fig. 2-8(1) dashed curves (2-34a) NTU = -In[1 + ln(1 - $C)] (2-346) Cross flow (stream min unmixed) $ - 1 - exp (- @ı - expl - (NTU\CD. c-ė Fig. 2-810 solid curves (2-35a) NTU = - In C In (1 – $) + 1] (2-35b)
KUN 000 NI INNE INNN TNT 03 02 02 00 0.0 0 2 3 4 NTU (a) Parallel flow NTV (b) Counter flow 10 OD 0.9 07 01.0 0.7 TO as DO 0.4 02 0.1 01 0.0 0 0.0 0 1 3 2 VO 4 1 6 2 NTU NTU Ic) Shell and Tube with one shell and any multiple of two tube passes (d) Two shell passes and any multiple of four tube passes 1.0 1.0 0.9 10 0.80 2 08 07 05 SUN 05 04 0.2 02 0.1 0.0 3 5 1 1 4 2 4 0 2 3 B NTU NTU (e) Cross flow with both fluids unmixed Id) Cross flow with one mixed and one unmixed. Where C-C1 NTU... is based on Cuiu