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Monthly, 100 Area technical activities report, Physics, 10-25-45--May 1947

Description: Two events of broad significance occurred in the 100B Area during this report period. These are the discovery of pimpled slugs in high concentration tubes discharged on 10-30-45 and the discovery of leaking VSR thimbles on 11-15-45. Although more extensive reports of these occurrences will be made elsewhere, these events have aspects of significance to physics and basic data will be given in this report for record purposes.
Date: November 29, 1945
Creator: Jordan, W. E.; Wende, C. W. J. & Gaxt, P. F.
Partner: UNT Libraries Government Documents Department
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100 Areas, January 15 through January 21

Description: This report gives the weekly progress for the B, D, and F piles. The report also gives a brief discussion of the following activities: process water control and pressure drop studies; purging of D, B, and F piles; slug corrosion studies; tube corrosion studies; thimble corrosion studies; and graphite expansion studies.
Date: January 25, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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100 Areas, July 23 through July 29. For technical progress letter number 108

Description: The weekly progress for D and F piles is given. Status of the test to determine the cause of white deposits on the horizontal control rods of the F pile is given. Also discussed are studies of process water control and pressure drop, corrosion, and graphite expansion. Test results indicate that graphite expansion has not seriously limited discharge of process tubes.
Date: August 2, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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100 Areas, January 29 through February 4, 1946

Description: The B Pile operated 25 MW below rated power level without interruption during the week. The D Pile was shut down on January 29. During the shutdown 103 tubes were discharged. The shut down lasted for 15 hours. During operation after the shut down power was reduced to meet graphite temperature restrictions. The F Pile was run steadily throughout the week at 25 MW below rated level. Iron content in the process water averaged 0.015, 0.011 and 0.010 ppm at B, D, and F Areas, respectively. Examinati… more
Date: February 8, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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100 Areas, January 1 through January 7, 1946

Description: During this period the B Pile operated at its assigned power level of 25 MW below rated level, except for 10 hours on January 5. The operating level of the D Pile remained at 25 MW below rating. The rate gain in excess reactivity during equilibrium operation has been about 1.8 inhours/day. On January 1, the power level of the F Pile was dropped to 25 MW below rating from its previous rated level. Rod A was in a favorable position to make a determination of the reactivity coefficients at the tim… more
Date: January 11, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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100 Areas: (For Technical Progress Letter No. 97), May 7--13

Description: Physics information for the D and F piles is presented. Thermal conductivity, reactivity, and irradiation levels are included. Concerning the cooling systems: process water control, pressure drip studies, purging studies, corrosion, and gun barrel clearance of expanded graphite are discussed. (GHH)
Date: May 17, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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100 Areas: April 9--April 15

Description: Reported are: physics (B Pile, D Pile, F Pile, general physics); and water, corrosion, and engineering (process water control and pressure drop studies, purging studies, corrosion, graphite expansion, downcomer -- B Area).
Date: April 19, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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100 Areas: April 16--April 22

Description: Reported are: physics (B pile, D pile, F pile, general physics); and water, corrosion and engineering (process water control and pressure drop studies, purging studies, removal of process tube B-3671).
Date: April 26, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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100 Areas, February 5--February 11

Description: This report gives the weekly status for the B, D, and F piles. Also given is the reactivity status at the end of the week for each pile. Process water control and pressure drop studies are discussed. Finally a brief discussion is given of the graphite expansion problem.
Date: February 15, 1946
Creator: Jordan, W. E.
Partner: UNT Libraries Government Documents Department
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