ORNL-1816 - the Molten Salt Energy Technologies Web Site

ORNL-1816 - the Molten Salt Energy Technologies Web Site ORNL-1816 - the Molten Salt Energy Technologies Web Site

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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. . - 2 .-

MADE AUG. 4953 TEMPERATURE (OK) SESRW. ORNL-LR-DWG 4455 300 400 500 700 too0 TEMPERATURE ("G) Fig. 8.4. Viscosity of NaF-ZrF,-UF, (53.5- 40-6.5 mole %). PERIOD ENDING DECEMBER 70,1954 -sum ORNL-LR-I)WG 4456 w NoF-KF-LiF NOF-KF-LIF-UF.~ - (11 5-42-46 5 mole %) (10.3-435-44 5-1.1 n~ole%I COOLING SPHERE (SOLIDI A A FLAT PLATE (SOLIDI l 0 VARIABLE GAP 0 " 0 (LIQUID1 500 I 1000 (500 TEMPERATURE (OF) Fig. 8.5. Thermal Conductivities of NaFc-KF-LiF and NaF=KF-LiF-UF, in the Liquid arid Solid States. 119

MADE AUG. 4953<br />

TEMPERATURE (OK)<br />

SESRW.<br />

<strong>ORNL</strong>-LR-DWG 4455<br />

300 400 500 700 too0<br />

TEMPERATURE ("G)<br />

Fig. 8.4. Viscosity of NaF-ZrF,-UF, (53.5-<br />

40-6.5 mole %).<br />

PERIOD ENDING DECEMBER 70,1954<br />

-sum<br />

<strong>ORNL</strong>-LR-I)WG 4456<br />

w NoF-KF-LiF NOF-KF-LIF-UF.~ -<br />

(11 5-42-46 5 mole %) (10.3-435-44 5-1.1 n~ole%I<br />

COOLING SPHERE<br />

(SOLIDI<br />

A A<br />

FLAT PLATE<br />

(SOLIDI<br />

l 0<br />

VARIABLE GAP 0<br />

"<br />

0<br />

(LIQUID1<br />

500<br />

I<br />

1000 (500<br />

TEMPERATURE (OF)<br />

Fig. 8.5. Thermal Conductivities of NaFc-KF-LiF<br />

and NaF=KF-LiF-UF, in <strong>the</strong> Liquid arid Solid<br />

States.<br />

119

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