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Book Oak Ridge Research Reactor Quarterly Report January February and March of 1976

Download or read book Oak Ridge Research Reactor Quarterly Report January February and March of 1976 written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ORR operated at an average power level of 29.9 Mw for 82.8 percent of the time during January, February, and March of 1976. Two fuel elements were declared spent (58.8 percent average burnup) during the quarter, while twenty-eight new elements were placed in service. Four shim-rod elements were retired from service at an average burnup of 64.4 percent. The reactor was shutdown on nine occasions, one of which was unscheduled. Two end-of-cycle shutdowns accounted for 92.1 percent of the total downtime. The remaining downtime was used principally for refueling and experiment work. Maintenance activities, both mechanical and instrument, were essentially routine in nature. Special tests or measurements completed during the quarter were three calorimeter gamma heating runs made in CP-E5 during the end of Cycle 129 shutdown.

Book Oak Ridge Research Reactor Quarterly Report July August and September of 1976

Download or read book Oak Ridge Research Reactor Quarterly Report July August and September of 1976 written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ORR operated at an average power level of 29.8 Mw for 50.9 percent of the time during July, August, and September of 1976. One fuel element was declared spent (62.4 percent burnup) during the quarter, while five new elements were placed in service. Two shim-rod elements were retired from service at an average burnup of 69.0 percent. The reactor was shut down on twelve occasions, all of which were scheduled. Reactor downtime needed for refueling, maintenance and checks was quite low, with the reactor remaining available for operation 95.5 percent of the time. Maintenance activities, both mechanical and instrument were essentially routine in nature. In-service inspections completed during the quarter included: (1) inspection of the decay tank strainer on 9-21-76, and (2) inspection of the reactor primary heat exchanger No. 3, secondary side, on 9-24-76.

Book Oak Ridge Research Reactor Quarterly Report January February and March of 1978

Download or read book Oak Ridge Research Reactor Quarterly Report January February and March of 1978 written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Book ERDA Energy Research Abstracts

Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Oak Ridge Research Reactor Quarterly Report January March 1972

Download or read book Oak Ridge Research Reactor Quarterly Report January March 1972 written by and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Oak Ridge Research Reactor Quarterly Report January February and March of 1980

Download or read book Oak Ridge Research Reactor Quarterly Report January February and March of 1980 written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ORR operated at an average power level of 29.9 MW for 91.3% of the time during January, February, and March of 1980. The reactor was shut down on twelve occasions, six of which were unscheduled. Reactor downtime needed for refueling, maintenance and checks was normal, with the reactor remaining available for use 93.7% of the time. Maintenance activities, both mechanical and instrument, were essentially routine in nature with the exception of one Reactor Instrument and Controls Design Change Memo.

Book Oak Ridge Research Reactor Quarterly Report October November and December of 1976

Download or read book Oak Ridge Research Reactor Quarterly Report October November and December of 1976 written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ORR operated at an average power level of 29.3 Mw for 20.1% of the time during October, November, and December of 1976. The operating time is low due to the reduction of operating time to a level compatible with funding. Six fuel elements were declared spent (57.6% burnup) during the quarter, while no new elements were placed in service. The reactor was shut down on seven occasions, one of which was unscheduled. Reactor downtime needed for refueling, maintenance and checks was quite low, with the reactor remaining available for operation 92.0% of the time. Maintenance activities, both mechanical and instrument, were essentially routine in nature.

Book Oak Ridge Research Reactor Quarterly Report April May and June of 1976

Download or read book Oak Ridge Research Reactor Quarterly Report April May and June of 1976 written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ORR reactor operated at an average power level of 29.7 MW for 90 percent of the time during April, May, and June of 1976. Twenty-five fuel elements were declared spent (52.3 percent average burnup) during the quarter, while twenty-five new elements were placed in service. Two shim-rod elements were retired from service at an average burnup of 62.5 percent. The reactor was shut down on thirteen occasions, four of which were unscheduled. One end-of-cycle shutdown accounted for 61.1 percent of the total downtime. The remaining downtime was used principally for refueling and experiment work. Maintenance activities, both mechanical and instrument, were essentially routine in nature. A special test completed during the quarter was the visual inspection of the poolside facility. Operating data are presented.

Book High Flux Isotope Reactor Quarterly Report January February and March 1976

Download or read book High Flux Isotope Reactor Quarterly Report January February and March 1976 written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Routine reactor operation with only three end-of-cycle shutdowns this quarter resulted in an on-stream time of 95.0 percent. The semiannual reactor component inspection was completed, and the control plates were changed. Basic operating data for the quarter are listed.

Book Oak Ridge Research Reactor Quarterly Report January March 1979

Download or read book Oak Ridge Research Reactor Quarterly Report January March 1979 written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Book Oak Ridge Research Reactor Quarterly Report January March 1977

Download or read book Oak Ridge Research Reactor Quarterly Report January March 1977 written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Book Oak Ridge Research Reactor Quarterly Report July September of 1969

Download or read book Oak Ridge Research Reactor Quarterly Report July September of 1969 written by and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: