Author: Joel W. ChastainPublisher:
ISBN:
Category : Nuclear reactors
Languages : en
Pages : 70
Book Description
Hazards Summary Report for the Battelle Research Reactor
Author: Joel W. ChastainPublisher:
ISBN:
Category : Nuclear reactors
Languages : en
Pages : 70
Book Description
Hazards Summary Report for 2-MEGAWATT Operation of the Battelle Research Reactor. Special Report
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The Battelle Research Reactor is a modified pool reactor located in a sparsely settled 500-acre tract owned by Battelle 13 miles west of Columbus, Ohio. The reactor has been operating since October 29, 1956, at power levels up to 1 megawatt. More than 300 megawattdays have been logged on the reactor with most of this operation at a power level of 1 megawatt. No serious incidents have occurred during the operation of the reactor. With only a few modifications the reactor will operate continuously at a power level of 2 megawatts. First, interlock will be added to the safety instrumentation to scram the reactor in the event of significant reduction in the flow rate of the primary coolant. Second, to provide additional margin of safety against the possibility of local boiling occurring in the core, the primary flow rate will be increased to greater than 1500 gpm. Third, a 700-gallon holdup tank will be added to the primary coolant system to allow for decay of the nitrogen16 formed in the coolant as it passes through the core. Holdup will reduce the dose rate at the surface of the pool to 4 mr per hr or less during routine 2-megawatt operation. Dose rates in vicinities of normal personnel activities will be less than the surface dose rate by at least an order of magnitude. Analyses of reactor safety and the hazards after an accident indicate that the change in hazards associated with the increase in power level is much less than a factor of two. It is concluded that the change in hazards does not significantly affect conclusions of the hazards analysis for 1-megawatt operation. (auth).
Hazards Summary Report for the Battelle Plastic Reactor Facility
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Experiments using a plastic-moderated assembly as a radiation source are described, and the hazards attendant to these experiments are evaluated. The critical assembly, designated Battelle's Plastic Reactor Facility, is constructed in the form of a cube. A portion of the plastic and fuel will be removed from the center of this reactor to provide a radiation environment for exposing fission-chamber devices. This central void region will approximate a flux trap in which a bigh neutron-to-gamma ratio is expected. The fuel-element assemblies are composed of strips of aluminum and Teflon-coated uranium sandwiched with plastic and encased in aluminum boxes. One portion of the core is on a movable table, while the other part is on a fixed table. The core is assembled remotely by driving the movable table against the fixed table. Primary control and safety of the assembly are achieved by insenting or withdrawing regulating and safety elements and by increasing or decreasing the distance between the two core halves. For safety, the maximum normal rate of reactivity addition has been limited to 0.04% DELTA k/k per sec for control-element withdrawal and table closure. The system is interlocked so that only one control element can be withdrawn at a time and so that the movable table and elements cannot be moved simultaneously. In addition, criticality cannot be reached by only moving the tables together. No experiments with the Plastic Reactor Facility are planned since it will serve only as a source of radiation operating at a constant power level. Consequently, the hazards of a nuclear excursion are minimized. However, the safety aspects of the operations and possible power excursions have been analyzed. The analysis indicates that these operations present no significant hazard to the public persons or operating staff. (auth).
A Study of Research Reactor Operating and Safety Experience
Author: B. John GarrickPublisher:
ISBN:
Category : Nuclear reactors
Languages : en
Pages : 668
Book Description
Nuclear Safety
Author: Hazards and Safety Measures for Nuclear-powered Merchant Ships
Author: Arthur D. Little, IncPublisher:
ISBN:
Category : Merchant marine
Languages : en
Pages : 284
Book Description
Hazards Summary Report
Author: William S. Hogan, David A. Dingee, Francis J. Jankowski, Joel W. ChastainPublisher:
ISBN:
Category :
Languages : en
Pages : 96
Book Description
Reactor Safety
Author: Reactor Kinetics
Author: M. BloomfieldPublisher:
ISBN:
Category : Nuclear reactors
Languages : en
Pages : 60
Book Description
Author: