Prediction of batch heat transfer coefficients for pseudoplastic fluids ...

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SI3 Blanchard's equation since it does have a viscosity term which changes "lith agitation rate but the exact form is not the best suggested by the Ii terat'Llre. This study was also limited by the use of only one impeller and a small Reynolds nu..mber range. Nei ther of these tlrJO studies 1..ras based on a ne1,,;r dimensional analysis but only modified the results of the Ne1
CHAPTER .2 DEVELOPMENT OF CORRELATIONS Tl3.eoretieal Co;:;relatien In a baffled vessel agitated by a propeller tme rlGw or rluid is essentially axial. That is" the p:r'opeller eauses a do-v.TnvTard i'10-v.T of rluiel. Near the bottom.
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Copyright Warning & Restrictions Th
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PREDICTION OF BATCH HEAT TRANSFER C
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while the latter has five to seven
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ACKNOWLEDGEMENTS The auther ex~ress
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Chapter 1: Chapter 2: Introducticm
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LIST OF FIGURES page 2-1 FlGW Behav
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CHAPTER I INTRODUCTION BATCH HEAT T
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3 as pseudoplasticso Pseudoplastic
Page 17 and 18: 5 ~n addition to studying the effec
Page 19 and 20: 7 A B SLOPE = /'n- .( 10 ~y FIG 2-1
Page 21 and 22: 15.5, 183, 185).. Most of their eff
Page 23 and 24: va:ry withl. the slaear I'Rte.. 11.
Page 25 and 26: 13 RHEOLOGIC_~ INVESTIGATION OFPO~~
Page 27 and 28: IS In(s) (2-8 (2-9 where Re is the
Page 29 and 30: '7 ft~ easier method of calibrating
Page 31 and 32: 19 of' thixotropic breakdown l'Ji t
Page 33 and 34: 21 complicated by a variable viscos
Page 35 and 36: 2J Schultz-GrQnow (174) used a dime
Page 37 and 38: 2S The results shm-red that equatio
Page 39 and 40: Su.bstituti011 of equati 2-22 gives
Page 41 and 42: 29 In both Newtonian and non-Newton
Page 43 and 44: 31 for viscous pseudoplas tics at 1
Page 45 and 46: 33 (2-29 when both the distances ar
Page 47 and 48: JS Thermometers or thermocouples ar
Page 49 and 50: .37 2: a in in heat cQ@tent of the
Page 51 and 52: J9 cooling mediu..:m side, the heat
Page 53 and 54: 41 ports a value of 3/4-.. He then
Page 55 and 56: 43 find the effects of one or two o
Page 57 and 58: 45 The group to the left of the equ
Page 59 and 60: 47 the highest heat tra...nsfer coe
Page 61 and 62: 49 A pitched blade turbine gave coe
Page 63 and 64: SI done on the correlation of heat
Page 65 and 66: 5J evaluated at the wall temperatur
Page 67: ss to (2-46 where ill is the consis
Page 71 and 72: momentum" mass" and energy may be ~
Page 73 and 74: 61 Vr;> Jt.- ,,"Ii'\... ..", ::: (V
Page 75 and 76: 63 Substitution of these dimensionl
Page 77 and 78: l/(R + 1) and was able t@ elim.iE.a
Page 79 and 80: 67 All of the variables and differe
Page 81 and 82: 69 The average heat transfer coeffi
Page 83 and 84: N"v = C Iv''' (;';~-"')&'i'~ (%t-n,
Page 85 and 86: 73 Semi-Empirical Correlation i ..,
Page 87 and 88: 75 7I1C1?/lfOCOUPLc .JuNe T/ON IMBE
Page 89 and 90: 77 _I"---- / SCALE I ~~, .5 j t /Z.
Page 91 and 92: also cop~ected to the pipes leading
Page 93 and 94: 81 Ve8sel :J all th:l c]me 8 8 .) '
Page 95 and 96: 83 potentiometer for varing the mot
Page 97 and 98: 85 MATERIAL 7:0 STAIIJLESS STEEL /
Page 99 and 100: 11 Wa.ll (Mi€1dl~) Same as #5 81
Page 101 and 102: 89 shea.r ra.tes, tl?1ey a.re unaff
Page 103: and if' lO"V'l$' a sm.all amount of
Page 106 and 107: 94- was about 40-45 ndmutes .. Tke
Page 108 and 109: 96 vThere N is in rev./sec .. and S
Page 110 and 111: 88 ql\fETI A = 6 T \--T -s L/kw (1+
Page 112 and 113: I {)D The generalized Reynolds n~mb
Page 114 and 115: 02. CHAPTER !2. RESUI,TS Many heat
Page 116 and 117: 01 TABLE 5-2 sutn~U{Y OF ADDITIONAL
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108 the batch than the other ticJO
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108 optimum impeller heights were u
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10 I r "'" , •• ,'., "",' """",
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112 correlations for the prediction
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TABLE 5 - 4 Correlation Constants A
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1/6 Table 5-5 and 5-6. A measure of
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TABLE S - 6 IMPELLER Correlation Co
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120 greater than 2.0. In this case
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12.2
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TABLE 5 - 9 CORRELATION E t (a/n +1
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TABLE 5 - 10 IMPELLER Correlation C
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TABLE 5 - 11 CORRELATION G (1.30/61
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1.30 of the substantial improvement
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1.3 2. The probable error in the ca
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134 .,;' : :: :::: : ~ !~. , " . .'
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T." ••••••• ,_ .....
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38 the cooling of nitration liquors
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140 The average deviation of the me
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42 tween 0.25 and 0.58. L~~l had re
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144 transfer coefficients to non-Ne
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16 of fit and it may t...herefore b
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148 'tvas insufficient data to eval
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50 A ::: Apr ... B ::: C p ::: CPr
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52. Q ::. Average heat transfer rat
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Xc = Function of Reynolds nL:l.m.be
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IS6 G REE:>{ ALPHABET 0 ::: Value o
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158 coefficient. Thus, for the wate
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160 , ., I .. : I :. '. • • !.
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162 I , . I . "I '1 I i I 1 I 1· '
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64 ncr --~iIluto e torque of the in
Page 178 and 179:
166 rive different temperatures; ab
Page 180 and 181:
168 TABLE A-4. SLOPE OF "LOG SHEAR
Page 182 and 183:
TABLE 11.-5 RHEOLOGICAL DATA FOR CA
Page 184 and 185:
TABLE A-5 (eollt. ) /12 o . 24;;& C
Page 186 and 187:
'11 The flow behavior index and flu
Page 188 and 189:
i .f.C ·F s o 6 1 6 I
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· . . . " , · . :::11" ': "'" ~ .
Page 192 and 193:
180 Tke thermal e€l1'!ciluetlvity
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182 Heat capacity data for 100% gly
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IB4- wkiek ex~resses the aensity e
Page 198 and 199:
186 Ts - Torque X :: Peree~t 0~ ful
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Phase I Calcu13tiJ~ of Slope of !oG
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3 REAL). N. ti •• D 4 cN=N E'I'
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~~-- ~---- --~--~ ~~~--------------
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Phase IV Correlation of Flow Behavi
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96 HEAT TRANSFER DATA FOR WA'fER US
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DATA /98 Batch \'ieight '" 94 •.
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zoo Run Center Dia!!1ec;er Ri'M Are
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DATA 20l. WATER - TUHBINSS Batch We
Page 216 and 217:
204- HEAT T'rtANSFEH DATA USED IN C
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DATA ANCHor;: 206 Batch :'Ieight =
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2.08 Run Diameter RP!'1 Area Dynamo
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DAT_': 210 "i'ADDI,ES 9:5.7'10 GLYC
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212 DATA PADDLES 0.15 PEHC:::N'r CA
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211- D!~ 'I'l\. PA-:JDLES 0.20 PERC
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~;:. 'I'A 3.16 P.;'DDLES 0.24 PEHCE
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2/8 DATA PROPELL:SH3 0.15 P:~RCEN'l
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DATA DISK & VANE 'l'URBINE \'iATER
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2.22 DATA Tu.'i:SINES 0.15 PERCENT
Page 236 and 237:
CALCULATION OF HEAT TRANSFER AND PR
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________________ ~parent viscosity
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------------------------ -_._------
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~--~, ~ ---- ---- -----------~-----
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232 NOMEliCLATURE FOR BEAT TRANSFER
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2.34- CALCULATED RSSULTS WATER Run
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2,36 Run Center Diameter h NNu Npo
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2.38 CALCULAT'ED ~E~:UL'rS ?!ATER P
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CALCULA'rED 1-{E8iiLlJ. 1 S \.;!\.'
Page 254 and 255:
CALC:_:LA'i'ED _12:-)ULTS 24c. ANCH
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CALCULATEDR3SULTS PADDLE - CENTER H
Page 258 and 259:
CALCULATED HESULTS 216 PADDLES - CE
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248 CALCULATED RESULTS PADDLES - CE
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CALCULATED RE:>ULTS 2. So PADDLf~S
Page 264 and 265:
PADDLES - CALCULATED RE6ULTS CENTSH
Page 267 and 268:
255 CALCULATED !tESULTS PROPELLERS
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CALCULA'rED RELmL'l'S PROPELLr~RS -
Page 271 and 272:
CALCULATED HESULTS DISK AND VANE ;r
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DISK AND VAI'E .rU~1BINES CALCULATE
Page 275 and 276:
DISK AND VANE '.i.'UR13HiES - CEl'i
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26S RESULT,:; U:3ED FOR REGRESSION
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of a least squares line can be calc
Page 281 and 282:
269 (0-9 where y "" log NNu xl = lo
Page 283 and 284:
-------------- -.Basi.c "Progr.a.rr
Page 285 and 286:
-----------~---------- -~----------
Page 287 and 288:
--~-------------- ------ ~~ -------
Page 289 and 290:
Modi fi cati onB-foT' ev:alnatj ng-
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constants forco~~~latjQn F --------
Page 293 and 294:
.------~.~~-- ---------------------
Page 295 and 296:
28.J ENGLISH ALPHABET . - ¢,'"'~-=
Page 297 and 298:
References 2.8S 1. ') L. 3. Lt- •
Page 299 and 300:
287 56. 57. 58. C:;o ./ / . 60. 61.
Page 301 and 302:
289 119. 120. 121. 122. 123. 12L~
Page 303 and 304:
176. 177. 178. 179. 1(30. 181. 182.
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Prediction of batch heat transfer coefficients for pseudoplastic fluids ...

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