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

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268 I-'Iultiple Variabl,es Regression Analysis. Physical behavior is often a function of l'l1ore tha....n. one independent variable and may be exnressed as (c-7 Using the method of least squares a set of simultaneous equations can be Hritten (105, 198) I z.
269 (0-9 where y "" log NNu xl = log NRe x2 = log N pr etc .. and 0,0
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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
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5 ~n addition to studying the effec
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7 A B SLOPE = /'n- .( 10 ~y FIG 2-1
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15.5, 183, 185).. Most of their eff
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va:ry withl. the slaear I'Rte.. 11.
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13 RHEOLOGIC_~ INVESTIGATION OFPO~~
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IS In(s) (2-8 (2-9 where Re is the
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'7 ft~ easier method of calibrating
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19 of' thixotropic breakdown l'Ji t
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21 complicated by a variable viscos
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2J Schultz-GrQnow (174) used a dime
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2S The results shm-red that equatio
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Su.bstituti011 of equati 2-22 gives
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29 In both Newtonian and non-Newton
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31 for viscous pseudoplas tics at 1
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33 (2-29 when both the distances ar
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JS Thermometers or thermocouples ar
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.37 2: a in in heat cQ@tent of the
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J9 cooling mediu..:m side, the heat
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41 ports a value of 3/4-.. He then
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43 find the effects of one or two o
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45 The group to the left of the equ
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47 the highest heat tra...nsfer coe
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49 A pitched blade turbine gave coe
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SI done on the correlation of heat
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5J evaluated at the wall temperatur
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ss to (2-46 where ill is the consis
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CHAPTER .2 DEVELOPMENT OF CORRELATI
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momentum" mass" and energy may be ~
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61 Vr;> Jt.- ,,"Ii'\... ..", ::: (V
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63 Substitution of these dimensionl
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l/(R + 1) and was able t@ elim.iE.a
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67 All of the variables and differe
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69 The average heat transfer coeffi
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N"v = C Iv''' (;';~-"')&'i'~ (%t-n,
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73 Semi-Empirical Correlation i ..,
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75 7I1C1?/lfOCOUPLc .JuNe T/ON IMBE
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77 _I"---- / SCALE I ~~, .5 j t /Z.
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also cop~ected to the pipes leading
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81 Ve8sel :J all th:l c]me 8 8 .) '
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83 potentiometer for varing the mot
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85 MATERIAL 7:0 STAIIJLESS STEEL /
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11 Wa.ll (Mi€1dl~) Same as #5 81
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89 shea.r ra.tes, tl?1ey a.re unaff
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and if' lO"V'l$' a sm.all amount of
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94- was about 40-45 ndmutes .. Tke
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96 vThere N is in rev./sec .. and S
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88 ql\fETI A = 6 T \--T -s L/kw (1+
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I {)D The generalized Reynolds n~mb
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02. CHAPTER !2. RESUI,TS Many heat
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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
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166 rive different temperatures; ab
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168 TABLE A-4. SLOPE OF "LOG SHEAR
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TABLE 11.-5 RHEOLOGICAL DATA FOR CA
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TABLE A-5 (eollt. ) /12 o . 24;;& C
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'11 The flow behavior index and flu
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i .f.C ·F s o 6 1 6 I
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· . . . " , · . :::11" ': "'" ~ .
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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
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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
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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
Page 230 and 231: 2/8 DATA PROPELL:SH3 0.15 P:~RCEN'l
Page 232 and 233: DATA DISK & VANE 'l'URBINE \'iATER
Page 234 and 235: 2.22 DATA Tu.'i:SINES 0.15 PERCENT
Page 236 and 237: CALCULATION OF HEAT TRANSFER AND PR
Page 238 and 239: ________________ ~parent viscosity
Page 240 and 241: ------------------------ -_._------
Page 242 and 243: ~--~, ~ ---- ---- -----------~-----
Page 244 and 245: 232 NOMEliCLATURE FOR BEAT TRANSFER
Page 246 and 247: 2.34- CALCULATED RSSULTS WATER Run
Page 248 and 249: 2,36 Run Center Diameter h NNu Npo
Page 250 and 251: 2.38 CALCULAT'ED ~E~:UL'rS ?!ATER P
Page 252 and 253: CALCULA'rED 1-{E8iiLlJ. 1 S \.;!\.'
Page 254 and 255: CALC:_:LA'i'ED _12:-)ULTS 24c. ANCH
Page 256 and 257: CALCULATEDR3SULTS PADDLE - CENTER H
Page 258 and 259: CALCULATED HESULTS 216 PADDLES - CE
Page 260 and 261: 248 CALCULATED RESULTS PADDLES - CE
Page 262 and 263: CALCULATED RE:>ULTS 2. So PADDLf~S
Page 264 and 265: PADDLES - CALCULATED RE6ULTS CENTSH
Page 267 and 268: 255 CALCULATED !tESULTS PROPELLERS
Page 269 and 270: CALCULA'rED RELmL'l'S PROPELLr~RS -
Page 271 and 272: CALCULATED HESULTS DISK AND VANE ;r
Page 273 and 274: DISK AND VAI'E .rU~1BINES CALCULATE
Page 275 and 276: DISK AND VANE '.i.'UR13HiES - CEl'i
Page 277 and 278: 26S RESULT,:; U:3ED FOR REGRESSION
Page 279: of a least squares line can be calc
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-
Page 291 and 292: 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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