ORNL-1816 - the Molten Salt Energy Technologies Web Site

ANP QUARTERLY PROGRESS REPORT
0.2
0.1
0.02
‘1 .AMINAR FLOW
RP
SOLID POINTS INDICATE CURRENT FLOW IN FLUID
LENGTH (in.)
199
UNCLASSIFIED
ORNL-LR-QWG 4453
2 5 I 04 2 5 {05
Re, REYNOLDS NUMBER
Fig. 8.2. Friction Factors With and Without Electric Current Flow in Fluid.
difference in pressure drop through the tubes under
the two different conditions and that, hence, the
hydrodynamic structure was not influenced by the
electric currents for the laminar and turbulent
ranges investigated.
PH YSlCA L PR 0 PERT IES M EASU REM E NTS
Heat Capacity
W. D. Powers G. C. Blalock
rimenta I Engineering Division
and heat capacities of NaF-ZrF4-
le %) were determined with the
rimeter in the liquid and solid
tes and with the copper-block calorimeter in
he results are as follows:
Solid (70 to 525OC): Bunsen calorimeter
c = 0.18 5 0.01
P
Liquid (550 to 9OOOC): Bunsen calorimeter
H, - HOoC = 32 + 0.25t
c = 0.25 k 0.02
P
Liquid (570 to 885OC): copper-block calorimeter
H, - HOoC = 19.5(0) + 0.265(6)t
c = 0.265(6) t 0.002
P
The enthalpies of this salt have also been de-
termined by the National Bureau of Stendards, and
a comparison is made in Table 8.1 of the results.
The enthalpies and heat capacities of LiF-KF-
UF, (48-48-4 mole 5%) were determined by the
copper-block calorimeter in the solid and liquid
states.
Solid (125 to 465°C)
H, - HOoC = 0.234t + 0.48 x t2
c = 0.234 + 0.95 x 0-4 t
P
Liquid (565 to 88OOC)
H, - HOoC = -82.54 + 0.657t
c = 0.657 - 3.93 x
P
- 1.97 10-4 t2
0-4 t
.
f
x