Download 1 - ipen.br

Transcript
TABLE 7.6:
Heat Transfer Correlations (Cont'd)
CORRELATION
COMMENTS
2k
h
w
-
w
d JlnCd/dj)
Wall Heat Transfer Coefficient:
- The wall resistance referred to the tube outside
diameter, RWALL = — is calculated in START. CWALL =
w
k , the thermal conductivity of the tube wall material
is specified by the user in READIN.
RFOUL = 7 — i —
h
foul
Fouling Resistance:
- RFOUL is specified by the us~r in READIN.
I
I- 1