High Conversion Critical Experiments

Boynton, A.R.; Baird, Q.L.; Plumlee, K.E.; Redman, W.C.; Robinson, William R.; Stanford, G.S.

doi:10.2172/4365450

Cited by 13 publications

(5 citation statements)

References 5 publications

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“…The validity of the experimental point at H/U238 = 0.5 is questionable due to the absence of a radial cadmium sleeve in the cadmium covered foil irradiation~ (6) Neglecting this point we see that BRT-l/EGGNIT tends to give the best agreement with experiment for these lattices with calculated values ranging from 3 percent too low to 8 percent too high. The BRT-l/HRG3 model on the other hand always yields a smaller value of p28 than the experiment with the discrepancy generally increasing as the H/U238 ratio decreases.…”

Section: Anl Latticesmentioning

confidence: 78%

COMPARISON OF CALCULATED AND MEASURED VALUES OF rho28 AND delta25 28 FOR 26 LATTICES OF UO 2 RODS IN A LIGHT WATER MODERATOR.

Oden¹

1971

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A study was undertaken to test the adequacy of current theoretical models used to predict 238U reaction rates in uniform lattice cells containing U0 2 rods in a light water moderator. Calculations were made 28 with two analytical models on data for 26 lattices for which p28 and 025 had been measured. Larqe discrepancies were observed between the measured and calculated results which could be attributed to systematic experimental errors and/or biases in the analytical models.The influence that the typical discrepancies observed would have on the calculated eigenvalue was demonstrated to be appreciable and would generally lead to an underprediction of this quantity, especially for undermoderated lattices. It is recommended that a more detailed study be undertaken to determine the cause of the differences observed between theory and experiment.iii

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Section: Anl Latticesmentioning

confidence: 78%

COMPARISON OF CALCULATED AND MEASURED VALUES OF rho28 AND delta25 28 FOR 26 LATTICES OF UO 2 RODS IN A LIGHT WATER MODERATOR.

Oden¹

1971

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“…No values exist for direct comparison with the U . cad:mium ratios of 6.89 and 7.95 measured in the oscillator tube with 5-and 2-mil-thick foils, respectively, but measurements with Hi.-C Core-No. 6 are consistent with this value.…”

Section: • 235mentioning

confidence: 96%

Reactor Oscillator Determination of Capture-To-Fission Ratio in an Undermoderated Critical Assembly

Redman

Bretscher

1966

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“…The 10 critical experiaents were selected from the results of three experimental programs. In the B4H "spectral shift" * 2 and Argonne "high conversion" 13 The results of the analyses are given in Table 14.…”

Section: Benchmark Critical Experimentsmentioning

confidence: 99%