Oak Ridge Research Reactor Quarterly Report, January--March 1977 PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The ORR operated at an average power level of 29.2 Mw for 23.6% of the time during January, February, and March of 1977. Six fuel elements were declared spent (56.3% burnup) during the quarter, while five new elements were placed in service. The reactor was shut down on seven occasions, none of which were unscheduled. Reactor downtime needed for refueling, maintenance and checks was quite low, with the reactor remaining available for operation 87.0% of the time. Maintenance activities, both mechanical and instrument, were essentially routine in nature.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The ORR operated at an average power level of 29.2 Mw for 23.6% of the time during January, February, and March of 1977. Six fuel elements were declared spent (56.3% burnup) during the quarter, while five new elements were placed in service. The reactor was shut down on seven occasions, none of which were unscheduled. Reactor downtime needed for refueling, maintenance and checks was quite low, with the reactor remaining available for operation 87.0% of the time. Maintenance activities, both mechanical and instrument, were essentially routine in nature.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The ORR operated at an average power level of 29.5 MW for 23.4% of the time during July, August, and September of 1977. Three fuel elements were declared spent (60.7% burnup) during the quarter, while five new elements were placed in service. The reactor was shut down on seven occasions, none of which were unscheduled. Reactor downtime needed for refueling, maintenance and checks was quite low, with the reactor remaining available for operation 86.5% of the time. Maintenance activities, both mechanical and instrument were essentially routine in nature. In-service inspections completed during the quarter included inspection of the ORR primary heat exchanger No. 2.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The ORR operated at an average power level of 29.8 MW for 29.6% of the time during October, November, and December of 1977. Ten new fuel elements were placed in service. Two shim-rod elements were retired from service at an average burnup of 71.2%. The reactor was shut down on seven occasions, none of which were unscheduled. Reactor downtime needed for refueling, maintenance and checks was quite low, with the reactor remaining available for operation 88.2% of the time. Maintenance activities, both mechanical and instrument were essentially routine in nature. In-service inspections completed during the quarter included inspection of the ORR decay tank and the ORR pool heat exchanger.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The ORR operated at an average power level of 28.7 MW for 73.4 percent of the time during January, February, and March of 1978. Eight new fuel elements were placed in service. The reactor was shut down on sixteen occasions, one of which was unscheduled. Reactor downtime needed for refueling, maintenance and checks was quite low, with the reactor remaining available for operation 88.9 percent of the time. Maintenance activities, both mechanical and instrument were essentially routine in nature. Special tests or measurements completed during the quarter included: (1) reactivity measurement of the Metals and Ceramics Division's (ORR-MFE-1) experiment in CP-C7; (2) flux mapping for core No. 143-B; and (3) calibration of all six shim rods on February 12, 1978 (Appendix A), and calibration of shim rods Nos. 2 through 6 on February 16, 1978.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The ORR operated at an average power level of 28.9 MW for 84.2% of the time during January, February and March of 1979. The reactor was shut down on seventeen occasions, three of which were unscheduled. Reactor downtime needed for refueling, maintenance and checks was normal, with the reactor remaining available for operation 93.6% of the time. Maintenance activities, both mechanical and instrument, were essentially routine in nature with the exception of one mechanical design change. Special tests or measurements completed during the quarter included: (1) preliminary measurements for the LWR Pressure Vessel Irradiation Program; (2) flux mapping for Core No. 148-A; and (3) calibration of all six shim rods.
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