LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice
LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice
LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice
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3/9/2003<br />
FIERBEREA LICHIDELOR<br />
oValorile α c , q c şi ∆T c corespunzătoare punctului<br />
<strong>de</strong> maxim, poartă <strong>de</strong>numirea <strong>de</strong> valori critice <strong>de</strong><br />
fierbere, acestea fiind funcţie <strong>de</strong> natura<br />
lichidului şi <strong>de</strong> presiunea <strong>de</strong> lucru:<br />
Substanţa<br />
apă<br />
benzen<br />
ΔT c [K]<br />
23 <strong>–</strong> 27<br />
47<br />
q c [kW/m 2 ]<br />
1163<br />
407<br />
α c [W.m -2 .K -1 ]<br />
46520<br />
8722,5<br />
<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 9