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ANP QUARTERLY PROGRESS REPORT
STAINLESS STEEL MELT TUBE
FABRICATED FROM SCH 40 I-in -IPS PIPE
conductivity relation developed for the fluoride
mixtures previously studied.
The solid and liquid thermal conductivity meas-
urements of NaF-KF-LiF (11.5-42-46.5 mole %) and
NaF-KF-LiF-UF, (10.9-43.5-44.5-1.1 mole %) were
reported in part in previous quarterlies. All con-
ductivity data obtained with several types of
onductivity devices for these two fluoride mix-
tures are shown in Fig. 8.5. The liquid and solid
conductivity values of the ternary fluoride mixture
are nearly the same, and the same is true of the
quaternary.
118
~
CHROMEL-ALUMEL
THERMOCOUPLES (4)
Fig. 8.3. Furnace for Viscosity Measurements.
O V
UNCLASSIFIED
ORNL-LR-DWG 4454
OEin
POSITION OF THERMOCOUPLE
WELLS IN MELT TUBE WALL
(CHROMEL-ALUMEL COUPLES
IN 0.08-in.- OD STAINLESS
STEEL WELLS)
110 v
A longitudinal thermal conductivity apparatus
has been designed and constructed for the meas-
urement of the conductivity of metallic beryllium.
It is essentially the same apparatus as that re-
ported previously7 and is contained in an inert-
gas-fi lled box to protect personnel from beryllium
poi son i ng.
7W. D. Powers, S. J. Claiborne, and R. M. Burnett,
ANP Quar. Prog. Rep. June 10, 1953, ORNL-1556, p 86.
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