There is a certain tolerance of error implicit in any calculation based upon measured physical data. Occasionally, the error is explicitly recognized by attaching a plus or minus variation to the calculated quantity. More often, however, the error is simply neglected. The present analysis was performed to quantify the error implicit in a typical TAI (Trip-After-Instability) limit calculation. This error results from the precision of measurement of each of the parameters used in the calculation of the TAI limit. Though not specifically considered, the results of this work could be used to establish the required minimum level of accuracy of …
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Publisher Info:
General Electric Co., Richland, WA (United States). Hanford Atomic Products Operation
Place of Publication:
Richland, Washington
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Description
There is a certain tolerance of error implicit in any calculation based upon measured physical data. Occasionally, the error is explicitly recognized by attaching a plus or minus variation to the calculated quantity. More often, however, the error is simply neglected. The present analysis was performed to quantify the error implicit in a typical TAI (Trip-After-Instability) limit calculation. This error results from the precision of measurement of each of the parameters used in the calculation of the TAI limit. Though not specifically considered, the results of this work could be used to establish the required minimum level of accuracy of the tube outlet temperature monitoring equipment. Further, some of the generalized equations could probably be programmed into the ROL (Reactor Operating Limits) to indicate how far each Panellit gauge could be ``rolled`` without exceeding a fixed minimum TAI limit. Since the examination of these other possibilities is beyond the scope of this report, they are left as suggestions for future work only.
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7 p.
Notes
OSTI as DE94017094; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov
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