In-situ and external nuclear reactor severe accident temperature and water level probes
First Claim
1. A system for monitoring a state of a reactor core included in a nuclear reactor, the system comprising:
- an internal monitoring device located inside the reactor core, the internal monitoring device including,one or more internal sensor arrays each configured to take measurements of conditions at each of a plurality of different vertical regions within the reactor core to generate internal measurement data, the internal monitoring device being configured to provide the internal measurement data to one or more data lines of the nuclear reactor, the one or more internal sensor arrays being configured to take measurements of a conductivity at each of the plurality of different vertical regions, the one or more internal sensor arrays including a conductivity sensor array, the conductivity sensor array including a plurality of conductivity sensors; and
a first case, at least a portion of the one or more internal sensor arrays being located within the first case, the first case including a plurality of protrusions, the plurality of protrusions extending outwards above each of the plurality of conductivity sensors, and the plurality of protrusions configured to substantially mitigate coating of each of the plurality of conductivity sensors by molten materials;
an external monitoring device located in the reactor structure outside the reactor core, the external monitoring device including one or more external sensor arrays each configured to take measurements of conditions of the reactor core at positions outside the reactor core corresponding to each of the plurality of different vertical regions within the reactor core to generate external measurement data, and a transmitter configured to wirelessly transmit the external measurement data outside the nuclear reactor; and
a receiver station configured to receive the external measurement data and the internal measurement data, and to determine a state of the reactor core based on the received external and internal measurement data,wherein the one or more internal sensor arrays are further configured to take measurements of a temperature at each of the plurality of different vertical regions.
1 Assignment
0 Petitions
Accused Products
Abstract
A system for monitoring a state of a reactor core in a nuclear reactor may include an internal monitoring device located inside the reactor core, the internal monitoring device including one or more internal sensor arrays configured to take measurements of conditions of the reactor core at different vertical regions within the reactor core to generate internal measurement data; an external monitoring device located in the reactor structure outside the reactor core, the external monitoring device including one or more external sensor arrays configured to take measurements of conditions of the reactor core at positions outside the reactor core corresponding the plurality of different vertical regions within the reactor core to generate external measurement data, and a transmitter configured to wirelessly transmit the external measurement data; and a receiver station configured to determine a state of the reactor core based on the external and internal measurement data.
25 Citations
18 Claims
-
1. A system for monitoring a state of a reactor core included in a nuclear reactor, the system comprising:
-
an internal monitoring device located inside the reactor core, the internal monitoring device including, one or more internal sensor arrays each configured to take measurements of conditions at each of a plurality of different vertical regions within the reactor core to generate internal measurement data, the internal monitoring device being configured to provide the internal measurement data to one or more data lines of the nuclear reactor, the one or more internal sensor arrays being configured to take measurements of a conductivity at each of the plurality of different vertical regions, the one or more internal sensor arrays including a conductivity sensor array, the conductivity sensor array including a plurality of conductivity sensors; and a first case, at least a portion of the one or more internal sensor arrays being located within the first case, the first case including a plurality of protrusions, the plurality of protrusions extending outwards above each of the plurality of conductivity sensors, and the plurality of protrusions configured to substantially mitigate coating of each of the plurality of conductivity sensors by molten materials; an external monitoring device located in the reactor structure outside the reactor core, the external monitoring device including one or more external sensor arrays each configured to take measurements of conditions of the reactor core at positions outside the reactor core corresponding to each of the plurality of different vertical regions within the reactor core to generate external measurement data, and a transmitter configured to wirelessly transmit the external measurement data outside the nuclear reactor; and a receiver station configured to receive the external measurement data and the internal measurement data, and to determine a state of the reactor core based on the received external and internal measurement data, wherein the one or more internal sensor arrays are further configured to take measurements of a temperature at each of the plurality of different vertical regions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A device for monitoring a reactor core or a nuclear reactor, the device comprising:
-
a case made from a rigid material having a melting point higher than that of stainless steel, the case being configured to fit inside an internal tube of the reactor core; one or more sensor arrays inside the case, at least one of the one or more sensory arrays being configured to take measurements of at least one of a temperature and a conductivity of the reactor core at each of a plurality of different vertical regions within the reactor core to generate internal measurement data; and one or more internal data lines configured to transfer the internal measurement data to data lines of the nuclear reactor, the one or more sensor arrays includes a conductivity sensor array including a plurality of conductivity sensors, each of the plurality of conductivity sensors extending to an outer surface of the case, each of the plurality of conductivity sensors corresponding to one of the plurality of different vertical regions within the reactor core, and the case includes a plurality of protrusions extending outwards above each of the plurality of conductivity sensors, the plurality of protrusions configured to substantially mitigate coating of each of the plurality of conductivity sensors by molten materials. - View Dependent Claims (17, 18)
-
Specification