Absolute neutron spectrum emerging through the large beam collimator from the TSR-II reactor at the Tower Shielding Facility

Maerker, R.E.; Muckenthaler, F.J.

doi:10.2172/4104212

Cited by 4 publications

(3 citation statements)

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“…9.76(-2) 3.13( -2) 1.14(-1) l.lq-2) [10][11][12][13][14][15]. The agreement is similar to that 30 cm behind the configurations but slightly worse.…”

Section: 35(-2)mentioning

confidence: 67%

Analysis of the JASPER Program Radial Shield Attenuation Experiment

Slater¹

1993

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This report has been reproduced directly from the best available copy. This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights.Reference herein to any specific commercial product, process. or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. DISCLAIMERThis report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. 117... Six different shielding codlguratioas and subconfigurations thereof were studied. The configurations were calcuIated with the DOT-IV twodimensional discrete ordinates radiation transport computer code using the R-2 geometry option, a symmetric S,* quadrature (% directions), and cross sections from ENDFB versions N and V in either a 51-or 6l-group structure. Auxiliary codes were used to compute detector responses and prepare cross sections and source input for the DOT-IV calculations. Calculated detector responses were compared with measured responses and the agreement was good to excellent in many cases. However, the agreement for configurations having thick steel or B,G regions or for some very large configurations was fair to poor. "he disagreement was attributed t o cross-section data, broad-group structure, or high background in the measurements. In particular, it is shown that two cross-section sets for IlB give very different results for neutron transmission through the thick B,C regions used in one set of experimental configurations. Implications for design calculations are given. and graphite, together with any thick sodium regions between the core and the component. Calculated radiati...

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“…9.76(-2) 3.13( -2) 1.14(-1) l.lq-2) [10][11][12][13][14][15]. The agreement is similar to that 30 cm behind the configurations but slightly worse.…”

Section: 35(-2)mentioning

confidence: 67%

Analysis of the JASPER Program Radial Shield Attenuation Experiment

Slater¹

1993

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“…The neutron energy spectrum emerging from the TSF reactor 7 is not typical of a GCFR, so that a spectrum modifier (SM) is required to yield a source with the proper spectral characteristics. Several 1-D transport calculations were performed for various trial compositions of the SM, and the resulting SM neutron leakage was compared to the calculated neutron leakage from the CSC.I core.…”

Section: Selection Of a Spectrum Modifiermentioning

confidence: 99%

GCFR radial blanket and shield experiment: objectives, preanalysis, and specifications

Ingersoll¹,

Bartine²,

Muckenthaler³

1979

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This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, contractors, subcontractors, or their employees, makes any warranty, express or implied, nor assumes any legal liability or responsibility for any third party's use or the results of such use of any information, apparatus, product or process disclosed in th is report, nor represents that its use by such third party would not-infringe privately owned rights.

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“…The spectrum was obtained by "grouping" the 100 group spectrum listed in Table I of Ref. 23 into the 5 1 n group structure and multiplying by a correction factor 01 0.658" to convert the TSR-I1 source to a per watt basis.…”

Section: -52mentioning

confidence: 99%