0 - Hanford Site

ME
EM
A 13 C D E F G H
- i McAdams Free Convection Correlations I
[2
Tw I = 40 Temperature End I
--
3
Tw2 = 20
Temperature End 2
4
Ts
F
Avers Ave Wall Temperature
5 TO - 0 -F Ambient Temperature
6
7
dT -tl34-05 -F
RttVhr-ft'2-*F Vertivil Plane orC rider h - = 01 . 9 *Tl/3 d '
El h= NAr-ftA2-IF Horizordal h - 0.18 * dT^1/3
11 Forced convection, flow across a c)jinde
12
4
16
h Btu/hi--ft^2-IF horizontal Plate - heated face up h = 0-22 • dT^ 1/3
F;'Eb.
0-3 -1- wo- (
tI (0.4 -2182,000 1
^y
02
--.._ ._..—._---
17
-,--Nufd 0.3+A OBX Forced Convection, Nussell N
18 D- U
U -01
inch DiaofPipc meters
-
mph Free Stream Air Vol. -aWOMW
20 TS - --+M -F —(820-32YLt *C
21 To:- —W -F Ambient Temperature -4fB21-32YI.8 C
22
Tf - - -+(13- - 821)12 Air Film Temperature "B22 -32".8. C
23
vf= -10.7639*f43 sq ft /sac Viscosityof Air O.OW1739 . mIs
24 Red = =+El 9*E WIM dimensionless Reynolds No. •
25 Pr - 0.777826 di^^ns`onle­ss-- PraMtl No.
26 kf= :^577789-06^ BIWIr-fl-IF Thermal Conductivit;-'
27 Red*Pr
28
29
30
32
33
4
'7
F-r
T
39 A =4.62!BZ4-(Jf2r.D25A.3) B
40 Stefan 0 -0.00000000IM fllu/hr-fk^2-R^4
41 erniss-10.65
42 Nvrd = i-0-3f-WtT90 dimensionless
Forced Convemion, Nusselt No.
A3 Nund -+DR OBI M607 dimensionless Natural Convection, Nusselt No-
44 ' Nut 0.3 + KNufd- Srj
Combined Forced and Natural Convection, Nusselt
45
46
c=0.3
.=4
for Horizontal -q!'!n45rfor
Horizontal r
4 7 Nut= dimensionless
48 he= Btu&r-sQ.ft-*F Combied Convection be
49
5o
51 Stefan B Btu/hr-R^2-R^4
52
emiss -O'&'
53
hr='=414148"­OW 0Y,4,4 0 B2 + Btwbr-a.R-*F 'n Radiation CocfficieM
54 ht- tic +hr Total HT Coefficient
55 714m =+953+898 Bt Total HT Coefficient
§p-ific Heat Lom_
58 A- °+P 4818112 forcylinder I ft long
59 Q - -f-851-1358 Btulhr for cylinder I ft lon g
so x.2 93071 4854 Watts fort I ft I r
61
62
63
KW for jc
index
ft long
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wt
RPP-24544 REV Id
A5-632