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Vapor producido<br />

Vtp = G x IhV x F (i-%|1) --CA x (1-%Po)<br />

(Ctp - Coaa) CNPV<br />

Vt = Vapor total pruducido<br />

IliV = Contenido calori fico deI combutioLble, Btu/gal<br />

G = Consumo de combuASt ible por aiio, qda/agio<br />

E a Eficlencia de <strong>la</strong> c,%[dera, on decimales<br />

%,V ,,, Porcentaje de vapor prcxlucido - 1.00-1 P. on<br />

dec im I ea<br />

Ctp - Calor tottl del vapor a <strong>la</strong> presi6n do <strong>la</strong><br />

caldera, Btu/lb<br />

Coaa- Calor sensible del aqua de alimentaci6n.<br />

3t u/lb<br />

%I - Porcont %jc de purga, en decimaleo<br />

Caar= Calor sensible del aqua do reposici6n, Btu/Ib<br />

% AR- Porcentaje do iqua do ropoeici6n, k3tu/1b<br />

CA - Cator aprovochado, MBtu/ailo<br />

CNPV- Calor nictiario parn producir utim libra do<br />

vapor, it.u/Ib<br />

Pura initial(Po)<br />

Po - Vt x % Po<br />

(l-% Po)<br />

Pu ga firal (Pf)<br />

Pf Po x % Pf<br />

% Pa<br />

Ahorrode )urga (Ap)<br />

Ap - Po - Pf<br />

- 168 ­

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