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

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

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282 . . INl'UT NOMENCLATURE FOR . ANALYSIS PROGRAMS; MULTIPLE VARIABLE,REGRESSION The program solves s~ultaneous equations for the .\ eonstamts (J(O), J(l), J(2), S(3), etc.) ror a correlation of the t:ype .. y II1II J(O) 1- J(l) \-l{l) + J(2) W(2) + J(3) W(3) eo.-t- ORR DA • Paddle position ratio l1li DIAR :: EK - EN II: HI 8i RITE - RITR • JX Impeller diameter _ CENTER HEIGHT OF IMPELLER - LiQufD HEIGnT Diameter ratio = Vessel diameter/impeller diameter Number of independent variables Total number or data points Impeller width Center Height o~ paddle Impeller geometry ratio :: Impeller l.vidth/im.pedler diameter = Number or different values of flow behavior index (or impeller height) to be read in M • Number at data points having srune flow behavior index (or impeller height) RUN II: Run number (ror identi~ication on data card) VCF2 = Viscosity ratio, K/Kw XN II: Flow behavior index X}mu II: XNPR m Nusselt number Pr~dtl number XNRE = Reynolds number

28.J ENGLISH ALPHABET . - ¢,'"'~-=-- a = Constant in eq. C-l b = Constant in eq6 C-l b o ' b l , b 2 , bJ' etc. = Constants called regression coef'f'icients in eq. c-l~_ C = Constant in eq. c-6 K = Fluid consistency index of power law K Q Total number of independent variables in eq. c-4 n x I: Flovl behavior index of pm-rer law = Independent variables Xi = Individual X data values Xl' x 2 ' x J = Independent variables in eq. c-4 -X = Average value of' x L'XI x2 • Z(xl - Xl) (x2 - x2) 2:' Xl Y = l:;{x l Xl) (y - y) Y = Dependent variables 1\ y - A predicted value for y Yi y = Individual data values = Average value of y

282<br />

. .<br />

INl'UT NOMENCLATURE FOR<br />

.<br />

ANALYSIS PROGRAMS;<br />

MULTIPLE VARIABLE,REGRESSION<br />

The program solves s~ultaneous<br />

equations <strong>for</strong> the<br />

.\<br />

eonstamts (J(O), J(l), J(2), S(3), etc.) ror a correlation<br />

<strong>of</strong> the t:ype ..<br />

y II1II<br />

J(O) 1- J(l) \-l{l) + J(2) W(2) + J(3) W(3) eo.-t-<br />

ORR<br />

DA<br />

• Paddle position ratio<br />

l1li<br />

DIAR ::<br />

EK -<br />

EN<br />

II:<br />

HI 8i<br />

RITE -<br />

RITR •<br />

JX<br />

Impeller diameter<br />

_ CENTER HEIGHT OF IMPELLER<br />

- LiQufD HEIGnT<br />

Diameter ratio = Vessel diameter/impeller diameter<br />

Number <strong>of</strong> independent variables<br />

Total number or data points<br />

Impeller width<br />

Center Height o~<br />

paddle<br />

Impeller geometry ratio :: Impeller l.vidth/im.pedler<br />

diameter<br />

= Number or different values <strong>of</strong> flow behavior index<br />

(or impeller height) to be read in<br />

M • Number at data points having srune flow behavior index<br />

(or impeller height)<br />

RUN II: Run number (ror identi~ication on data card)<br />

VCF2 = Viscosity ratio, K/Kw<br />

XN II: Flow behavior index<br />

X}mu II:<br />

XNPR m<br />

Nusselt number<br />

Pr~dtl number<br />

XNRE = Reynolds number

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