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HEMISKI Zbirka re{eni zada~i REAKTORI 3

HEMISKI Zbirka re{eni zada~i REAKTORI 3

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408<br />

X<br />

1<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

0<br />

900 950 1000<br />

T (K) T<br />

1050 1100 1150<br />

Grafik 1. Operacioni linii za izotermna rabota na <strong>re</strong>aktorite<br />

cevki (p<strong>re</strong>smetka na sekoi 6 K porast na temperaturata)<br />

b) Adijabatska rabota<br />

Pri adijabatska rabota temperaturata po dol`inata na<br />

<strong>re</strong>aktorot }e se menuva, i toa taka {to }e opa|a po~nuvaj}i od<br />

vleznata temperatura To = 1053 K do izlezna temperatura ~ija<br />

v<strong>re</strong>dnost }e zavisi, vo ovoj konk<strong>re</strong>ten slu~aj, od goleminata na<br />

<strong>re</strong>aktorot. Za <strong>re</strong>{avawe na ovoj del od zada~ata, pokraj ravenkata<br />

za dizajn, pot<strong>re</strong>ben e i toplinskiot bilans. P<strong>re</strong>thodno go<br />

barame izrazot za molskata koncentracija na <strong>re</strong>aktantot i<br />

brzinskiot izraz vo uslovi na neizotermna rabota:<br />

T<br />

o<br />

( 1<br />

X<br />

)<br />

T<br />

C<br />

A<br />

o<br />

; C<br />

A<br />

FA<br />

C<br />

<br />

Ao<br />

( 1<br />

X ) To<br />

;<br />

( 1<br />

X<br />

) T<br />

( 1<br />

X ) To<br />

C Ao<br />

,<br />

(4)<br />

( 1<br />

0,<br />

6X<br />

) T<br />

( 1<br />

X ) To<br />

( rA<br />

) k(<br />

T ) C A k C Ao<br />

.<br />

(5)<br />

( 1<br />

0,<br />

6X<br />

) T

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